The crystal structure described by CaMg14Ce crystallizes in the orthorhombic Amm2 space group. Ca(1) is bonded to two equivalent Mg(6); four Mg(3,3,3); four Mg(5,5,5,5); and two equivalent Ce(1) atoms to form CaCe2Mg10 cuboctahedra that share corners with four equivalent Mg(2)Mg12 cuboctahedra; corners with six equivalent Ca(1)Ce2Mg10 cuboctahedra; corners with eight Mg(4,4)Mg12 cuboctahedra; edges with two equivalent Ce(1)Ca2Mg10 cuboctahedra; edges with four Mg(3,3,3)Ca2Ce2Mg8 cuboctahedra; edges with four equivalent Mg(6)CaMg11 cuboctahedra; edges with eight Mg(5,5,5,5)CaCeMg10 cuboctahedra; faces with two equivalent Mg(6)CaMg11 cuboctahedra; faces with two equivalent Mg(1)Mg12 cuboctahedra; faces with two equivalent Ce(1)Ca2Mg10 cuboctahedra; faces with four Mg(3,3,3)Ca2Ce2Mg8 cuboctahedra; faces with four Mg(5,5,5,5)CaCeMg10 cuboctahedra; and faces with six equivalent Mg(7)CeMg11 cuboctahedra. There are thirteen inequivalent Mg sites. In the first Mg site, Mg(1) is bonded to two equivalent Mg(2); two equivalent Mg(6); four Mg(4,4); and four Mg(5,5,5,5) atoms to form MgMg12 cuboctahedra that share corners with four equivalent Ce(1)Ca2Mg10 cuboctahedra; corners with six equivalent Mg(1)Mg12 cuboctahedra; corners with eight Mg(3,3,3)Ca2Ce2Mg8 cuboctahedra; edges with two equivalent Mg(2)Mg12 cuboctahedra; edges with four equivalent Mg(6)CaMg11 cuboctahedra; edges with four Mg(4,4)Mg12 cuboctahedra; edges with eight Mg(5,5,5,5)CaCeMg10 cuboctahedra; faces with two equivalent Ca(1)Ce2Mg10 cuboctahedra; faces with two equivalent Mg(6)CaMg11 cuboctahedra; faces with two equivalent Mg(2)Mg12 cuboctahedra; faces with four Mg(5,5,5,5)CaCeMg10 cuboctahedra; faces with four Mg(4,4)Mg12 cuboctahedra; and faces with six equivalent Mg(7)CeMg11 cuboctahedra. In the second Mg site, Mg(2) is bonded to two equivalent Mg(1); two equivalent Mg(7); four Mg(4,4); and four Mg(5,5,5) atoms to form MgMg12 cuboctahedra that share corners with four equivalent Ca(1)Ce2Mg10 cuboctahedra; corners with six equivalent Mg(2)Mg12 cuboctahedra; corners with eight Mg(3,3,3)Ca2Ce2Mg8 cuboctahedra; edges with two equivalent Mg(1)Mg12 cuboctahedra; edges with four equivalent Mg(7)CeMg11 cuboctahedra; edges with four Mg(4,4)Mg12 cuboctahedra; edges with eight Mg(5,5,5,5)CaCeMg10 cuboctahedra; faces with two equivalent Mg(7)CeMg11 cuboctahedra; faces with two equivalent Mg(1)Mg12 cuboctahedra; faces with two equivalent Ce(1)Ca2Mg10 cuboctahedra; faces with four Mg(5,5,5)CaCeMg10 cuboctahedra; faces with four Mg(4,4)Mg12 cuboctahedra; and faces with six equivalent Mg(6)CaMg11 cuboctahedra. In the third Mg site, Mg(3) is bonded to two equivalent Ca(1); two equivalent Mg(3); two Mg(5,5); two equivalent Mg(6); two equivalent Mg(7); and two equivalent Ce(1) atoms to form distorted MgCa2Ce2Mg8 cuboctahedra that share corners with four equivalent Mg(1)Mg12 cuboctahedra; corners with four equivalent Mg(2)Mg12 cuboctahedra; corners with four equivalent Mg(4)Mg12 cuboctahedra; corners with six Mg(3,3)Ca2Ce2Mg8 cuboctahedra; edges with two equivalent Ca(1)Ce2Mg10 cuboctahedra; edges with two equivalent Mg(3)Ca2Ce2Mg8 cuboctahedra; edges with two equivalent Ce(1)Ca2Mg10 cuboctahedra; edges with four Mg(5,5)CaCeMg10 cuboctahedra; edges with four equivalent Mg(6)CaMg11 cuboctahedra; edges with four equivalent Mg(7)CeMg11 cuboctahedra; faces with two equivalent Ca(1)Ce2Mg10 cuboctahedra; faces with two equivalent Mg(3)Ca2Ce2Mg8 cuboctahedra; faces with two equivalent Mg(6)CaMg11 cuboctahedra; faces with two equivalent Mg(7)CeMg11 cuboctahedra; faces with two equivalent Mg(4)Mg12 cuboctahedra; faces with two equivalent Ce(1)Ca2Mg10 cuboctahedra; and faces with eight Mg(5,5,5,5)CaCeMg10 cuboctahedra. In the fourth Mg site, Mg(4) is bonded to two equivalent Mg(1); two equivalent Mg(2); two equivalent Mg(4); two Mg(5,5); two equivalent Mg(6); and two equivalent Mg(7) atoms to form MgMg12 cuboctahedra that share corners with four equivalent Ca(1)Ce2Mg10 cuboctahedra; corners with four equivalent Mg(3)Ca2Ce2Mg8 cuboctahedra; corners with four equivalent Ce(1)Ca2Mg10 cuboctahedra; corners with six Mg(4,4)Mg12 cuboctahedra; edges with two equivalent Mg(1)Mg12 cuboctahedra; edges with two equivalent Mg(2)Mg12 cuboctahedra; edges with two equivalent Mg(4)Mg12 cuboctahedra; edges with four Mg(5,5)CaCeMg10 cuboctahedra; edges with four equivalent Mg(6)CaMg11 cuboctahedra; edges with four equivalent Mg(7)CeMg11 cuboctahedra; faces with two equivalent Mg(3)Ca2Ce2Mg8 cuboctahedra; faces with two equivalent Mg(6)CaMg11 cuboctahedra; faces with two equivalent Mg(7)CeMg11 cuboctahedra; faces with two equivalent Mg(1)Mg12 cuboctahedra; faces with two equivalent Mg(2)Mg12 cuboctahedra; faces with two equivalent Mg(4)Mg12 cuboctahedra; and faces with eight Mg(5,5,5,5)CaCeMg10 cuboctahedra. In the fifth Mg site, Mg(3) is bonded to two equivalent Ca(1); two equivalent Mg(3); two Mg(5,5); two equivalent Mg(6); two equivalent Mg(7); and two equivalent Ce(1) atoms to form distorted MgCa2Ce2Mg8 cuboctahedra that share corners with four equivalent Mg(1)Mg12 cuboctahedra; corners with four equivalent Mg(2)Mg12 cuboctahedra; corners with four equivalent Mg(4)Mg12 cuboctahedra; corners with six Mg(3,3)Ca2Ce2Mg8 cuboctahedra; edges with two equivalent Ca(1)Ce2Mg10 cuboctahedra; edges with two equivalent Mg(3)Ca2Ce2Mg8 cuboctahedra; edges with two equivalent Ce(1)Ca2Mg10 cuboctahedra; edges with four equivalent Mg(5)CaCeMg10 cuboctahedra; edges with four equivalent Mg(6)CaMg11 cuboctahedra; edges with four equivalent Mg(7)CeMg11 cuboctahedra; faces with two equivalent Ca(1)Ce2Mg10 cuboctahedra; faces with two equivalent Mg(3)Ca2Ce2Mg8 cuboctahedra; faces with two equivalent Mg(6)CaMg11 cuboctahedra; faces with two equivalent Mg(7)CeMg11 cuboctahedra; faces with two equivalent Mg(4)Mg12 cuboctahedra; faces with two equivalent Ce(1)Ca2Mg10 cuboctahedra; and faces with eight Mg(5,5,5,5)CaCeMg10 cuboctahedra. In the sixth Mg site, Mg(4) is bonded to two equivalent Mg(1); two equivalent Mg(2); two equivalent Mg(4); two Mg(5,5); two equivalent Mg(6); and two equivalent Mg(7) atoms to form MgMg12 cuboctahedra that share corners with four equivalent Ca(1)Ce2Mg10 cuboctahedra; corners with four equivalent Mg(3)Ca2Ce2Mg8 cuboctahedra; corners with four equivalent Ce(1)Ca2Mg10 cuboctahedra; corners with six Mg(4,4)Mg12 cuboctahedra; edges with two equivalent Mg(1)Mg12 cuboctahedra; edges with two equivalent Mg(2)Mg12 cuboctahedra; edges with two equivalent Mg(4)Mg12 cuboctahedra; edges with four equivalent Mg(5)CaCeMg10 cuboctahedra; edges with four equivalent Mg(6)CaMg11 cuboctahedra; edges with four equivalent Mg(7)CeMg11 cuboctahedra; faces with two equivalent Mg(3)Ca2Ce2Mg8 cuboctahedra; faces with two equivalent Mg(6)CaMg11 cuboctahedra; faces with two equivalent Mg(7)CeMg11 cuboctahedra; faces with two equivalent Mg(1)Mg12 cuboctahedra; faces with two equivalent Mg(2)Mg12 cuboctahedra; faces with two equivalent Mg(4)Mg12 cuboctahedra; and faces with eight Mg(5,5,5,5)CaCeMg10 cuboctahedra. In the seventh Mg site, Mg(5) is bonded to one Ca(1), one Mg(1), one Mg(2), one Mg(3), one Mg(4), two equivalent Mg(5), two equivalent Mg(6), two equivalent Mg(7), and one Ce(1) atom to form distorted MgCaCeMg10 cuboctahedra that share corners with four equivalent Mg(6)CaMg11 cuboctahedra; corners with four equivalent Mg(7)CeMg11 cuboctahedra; corners with ten Mg(5,5)CaCeMg10 cuboctahedra; edges with two equivalent Ca(1)Ce2Mg10 cuboctahedra; edges with two equivalent Mg(3)Ca2Ce2Mg8 cuboctahedra; edges with two equivalent Mg(5)CaCeMg10 cuboctahedra; edges with two equivalent Mg(6)CaMg11 cuboctahedra; edges with two equivalent Mg(7)CeMg11 cuboctahedra; edges with two equivalent Mg(1)Mg12 cuboctahedra; edges with two equivalent Mg(2)Mg12 cuboctahedra; edges with two equivalent Mg(4)Mg12 cuboctahedra; edges with two equivalent Ce(1)Ca2Mg10 cuboctahedra;  a faceface with one Ca(1)Ce2Mg10 cuboctahedra;  a faceface with one Mg(1)Mg12 cuboctahedra;  a faceface with one Mg(2)Mg12 cuboctahedra;  a faceface with one Ce(1)Ca2Mg10 cuboctahedra; faces with two equivalent Mg(6)CaMg11 cuboctahedra; faces with two equivalent Mg(7)CeMg11 cuboctahedra; faces with four Mg(3,3,3)Ca2Ce2Mg8 cuboctahedra; faces with four Mg(5,5)CaCeMg10 cuboctahedra; and faces with four Mg(4,4)Mg12 cuboctahedra. In the eighth Mg site, Mg(5) is bonded to one Ca(1), one Mg(1), one Mg(2), one Mg(3), one Mg(4), two equivalent Mg(5), two equivalent Mg(6), two equivalent Mg(7), and one Ce(1) atom to form distorted MgCaCeMg10 cuboctahedra that share corners with four equivalent Mg(6)CaMg11 cuboctahedra; corners with four equivalent Mg(7)CeMg11 cuboctahedra; corners with ten Mg(5,5)CaCeMg10 cuboctahedra; edges with two equivalent Ca(1)Ce2Mg10 cuboctahedra; edges with two equivalent Mg(3)Ca2Ce2Mg8 cuboctahedra; edges with two equivalent Mg(5)CaCeMg10 cuboctahedra; edges with two equivalent Mg(6)CaMg11 cuboctahedra; edges with two equivalent Mg(7)CeMg11 cuboctahedra; edges with two equivalent Mg(1)Mg12 cuboctahedra; edges with two equivalent Mg(2)Mg12 cuboctahedra; edges with two equivalent Mg(4)Mg12 cuboctahedra; edges with two equivalent Ce(1)Ca2Mg10 cuboctahedra;  a faceface with one Ca(1)Ce2Mg10 cuboctahedra;  a faceface with one Mg(1)Mg12 cuboctahedra;  a faceface with one Mg(2)Mg12 cuboctahedra;  a faceface with one Ce(1)Ca2Mg10 cuboctahedra; faces with two equivalent Mg(6)CaMg11 cuboctahedra; faces with two equivalent Mg(7)CeMg11 cuboctahedra; faces with four Mg(3,3,3)Ca2Ce2Mg8 cuboctahedra; faces with four Mg(5,5)CaCeMg10 cuboctahedra; and faces with four Mg(4,4)Mg12 cuboctahedra. In the ninth Mg site, Mg(5) is bonded to one Ca(1), one Mg(1), one Mg(2), one Mg(3), one Mg(4), two equivalent Mg(5), two equivalent Mg(6), two equivalent Mg(7), and one Ce(1) atom to form distorted MgCaCeMg10 cuboctahedra that share corners with four equivalent Mg(6)CaMg11 cuboctahedra; corners with four equivalent Mg(7)CeMg11 cuboctahedra; corners with ten Mg(5,5,5)CaCeMg10 cuboctahedra; edges with two equivalent Ca(1)Ce2Mg10 cuboctahedra; edges with two equivalent Mg(3)Ca2Ce2Mg8 cuboctahedra; edges with two equivalent Mg(5)CaCeMg10 cuboctahedra; edges with two equivalent Mg(6)CaMg11 cuboctahedra; edges with two equivalent Mg(7)CeMg11 cuboctahedra; edges with two equivalent Mg(1)Mg12 cuboctahedra; edges with two equivalent Mg(2)Mg12 cuboctahedra; edges with two equivalent Mg(4)Mg12 cuboctahedra; edges with two equivalent Ce(1)Ca2Mg10 cuboctahedra;  a faceface with one Ca(1)Ce2Mg10 cuboctahedra;  a faceface with one Mg(1)Mg12 cuboctahedra;  a faceface with one Mg(2)Mg12 cuboctahedra;  a faceface with one Ce(1)Ca2Mg10 cuboctahedra; faces with two equivalent Mg(6)CaMg11 cuboctahedra; faces with two equivalent Mg(7)CeMg11 cuboctahedra; faces with four Mg(3,3,3)Ca2Ce2Mg8 cuboctahedra; faces with four Mg(5,5)CaCeMg10 cuboctahedra; and faces with four Mg(4,4)Mg12 cuboctahedra. In the tenth Mg site, Mg(5) is bonded to one Ca(1), one Mg(1), one Mg(2), one Mg(3), one Mg(4), two equivalent Mg(5), two equivalent Mg(6), two equivalent Mg(7), and one Ce(1) atom to form distorted MgCaCeMg10 cuboctahedra that share corners with four equivalent Mg(6)CaMg11 cuboctahedra; corners with four equivalent Mg(7)CeMg11 cuboctahedra; corners with ten Mg(5,5)CaCeMg10 cuboctahedra; edges with two equivalent Ca(1)Ce2Mg10 cuboctahedra; edges with two equivalent Mg(3)Ca2Ce2Mg8 cuboctahedra; edges with two equivalent Mg(5)CaCeMg10 cuboctahedra; edges with two equivalent Mg(6)CaMg11 cuboctahedra; edges with two equivalent Mg(7)CeMg11 cuboctahedra; edges with two equivalent Mg(1)Mg12 cuboctahedra; edges with two equivalent Mg(2)Mg12 cuboctahedra; edges with two equivalent Mg(4)Mg12 cuboctahedra; edges with two equivalent Ce(1)Ca2Mg10 cuboctahedra;  a faceface with one Ca(1)Ce2Mg10 cuboctahedra;  a faceface with one Mg(1)Mg12 cuboctahedra;  a faceface with one Mg(2)Mg12 cuboctahedra;  a faceface with one Ce(1)Ca2Mg10 cuboctahedra; faces with two equivalent Mg(6)CaMg11 cuboctahedra; faces with two equivalent Mg(7)CeMg11 cuboctahedra; faces with four Mg(3,3,3)Ca2Ce2Mg8 cuboctahedra; faces with four Mg(5,5)CaCeMg10 cuboctahedra; and faces with four Mg(4,4)Mg12 cuboctahedra. In the eleventh Mg site, Mg(6) is bonded to one Ca(1); one Mg(1); two equivalent Mg(3); two Mg(4,4); two equivalent Mg(7); and four Mg(5,5,5) atoms to form distorted MgCaMg11 cuboctahedra that share corners with four equivalent Mg(7)CeMg11 cuboctahedra; corners with six equivalent Mg(6)CaMg11 cuboctahedra; corners with eight Mg(5,5,5)CaCeMg10 cuboctahedra; edges with two equivalent Ca(1)Ce2Mg10 cuboctahedra; edges with two equivalent Mg(7)CeMg11 cuboctahedra; edges with two equivalent Mg(1)Mg12 cuboctahedra; edges with four Mg(3,3,3)Ca2Ce2Mg8 cuboctahedra; edges with four Mg(5,5,5)CaCeMg10 cuboctahedra; edges with four Mg(4,4)Mg12 cuboctahedra;  a faceface with one Ca(1)Ce2Mg10 cuboctahedra;  a faceface with one Mg(1)Mg12 cuboctahedra; faces with two equivalent Mg(3)Ca2Ce2Mg8 cuboctahedra; faces with two equivalent Mg(6)CaMg11 cuboctahedra; faces with two equivalent Mg(7)CeMg11 cuboctahedra; faces with two Mg(4,4)Mg12 cuboctahedra; faces with three equivalent Mg(2)Mg12 cuboctahedra; faces with three equivalent Ce(1)Ca2Mg10 cuboctahedra; and faces with four Mg(5,5,5)CaCeMg10 cuboctahedra. In the twelfth Mg site, Mg(7) is bonded to one Mg(2); two Mg(3,3); two Mg(4,4); two equivalent Mg(6); four Mg(5,5,5); and one Ce(1) atom to form MgCeMg11 cuboctahedra that share corners with four equivalent Mg(6)CaMg11 cuboctahedra; corners with six equivalent Mg(7)CeMg11 cuboctahedra; corners with eight Mg(5,5,5)CaCeMg10 cuboctahedra; edges with two equivalent Mg(6)CaMg11 cuboctahedra; edges with two equivalent Mg(2)Mg12 cuboctahedra; edges with two equivalent Ce(1)Ca2Mg10 cuboctahedra; edges with four Mg(3,3,3)Ca2Ce2Mg8 cuboctahedra; edges with four Mg(5,5,5)CaCeMg10 cuboctahedra; edges with four Mg(4,4)Mg12 cuboctahedra;  a faceface with one Mg(2)Mg12 cuboctahedra;  a faceface with one Ce(1)Ca2Mg10 cuboctahedra; faces with two Mg(3,3)Ca2Ce2Mg8 cuboctahedra; faces with two equivalent Mg(6)CaMg11 cuboctahedra; faces with two equivalent Mg(7)CeMg11 cuboctahedra; faces with two Mg(4,4)Mg12 cuboctahedra; faces with three equivalent Ca(1)Ce2Mg10 cuboctahedra; faces with three equivalent Mg(1)Mg12 cuboctahedra; and faces with four Mg(5,5,5)CaCeMg10 cuboctahedra. In the thirteenth Mg site, Mg(3) is bonded to two equivalent Ca(1); two equivalent Mg(3); two Mg(5,5); two equivalent Mg(6); two equivalent Mg(7); and two equivalent Ce(1) atoms to form distorted MgCa2Ce2Mg8 cuboctahedra that share corners with four equivalent Mg(1)Mg12 cuboctahedra; corners with four equivalent Mg(2)Mg12 cuboctahedra; corners with four equivalent Mg(4)Mg12 cuboctahedra; corners with six Mg(3,3)Ca2Ce2Mg8 cuboctahedra; edges with two equivalent Ca(1)Ce2Mg10 cuboctahedra; edges with two equivalent Mg(3)Ca2Ce2Mg8 cuboctahedra; edges with two equivalent Ce(1)Ca2Mg10 cuboctahedra; edges with four Mg(5,5)CaCeMg10 cuboctahedra; edges with four equivalent Mg(6)CaMg11 cuboctahedra; edges with four equivalent Mg(7)CeMg11 cuboctahedra; faces with two equivalent Ca(1)Ce2Mg10 cuboctahedra; faces with two equivalent Mg(3)Ca2Ce2Mg8 cuboctahedra; faces with two equivalent Mg(6)CaMg11 cuboctahedra; faces with two equivalent Mg(7)CeMg11 cuboctahedra; faces with two equivalent Mg(4)Mg12 cuboctahedra; faces with two equivalent Ce(1)Ca2Mg10 cuboctahedra; and faces with eight Mg(5,5,5,5)CaCeMg10 cuboctahedra. Ce(1) is bonded to two equivalent Ca(1); two equivalent Mg(7); four Mg(3,3,3); and four Mg(5,5,5) atoms to form CeCa2Mg10 cuboctahedra that share corners with four equivalent Mg(1)Mg12 cuboctahedra; corners with six equivalent Ce(1)Ca2Mg10 cuboctahedra; corners with eight Mg(4,4)Mg12 cuboctahedra; edges with two equivalent Ca(1)Ce2Mg10 cuboctahedra; edges with four Mg(3,3,3)Ca2Ce2Mg8 cuboctahedra; edges with four equivalent Mg(7)CeMg11 cuboctahedra; edges with eight Mg(5,5,5,5)CaCeMg10 cuboctahedra; faces with two equivalent Ca(1)Ce2Mg10 cuboctahedra; faces with two equivalent Mg(7)CeMg11 cuboctahedra; faces with two equivalent Mg(2)Mg12 cuboctahedra; faces with four Mg(3,3,3)Ca2Ce2Mg8 cuboctahedra; faces with four Mg(5,5,5)CaCeMg10 cuboctahedra; and faces with six equivalent Mg(6)CaMg11 cuboctahedra. is represented by the CIF card [CIF]
data_CaCeMg14
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.523
_cell_length_b   6.523
_cell_length_c   10.504
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   118.366
_symmetry_Int_Tables_number   1
_cell_volume   393.256
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Ca  Ca0  1  0.665  0.335  0.000  1.0
  Ce  Ce1  1  0.164  0.836  0.000  1.0
  Mg  Mg2  1  0.666  0.334  0.500  1.0
  Mg  Mg3  1  0.167  0.833  0.500  1.0
  Mg  Mg4  1  0.666  0.829  0.000  1.0
  Mg  Mg5  1  0.666  0.833  0.500  1.0
  Mg  Mg6  1  0.171  0.334  0.000  1.0
  Mg  Mg7  1  0.167  0.334  0.500  1.0
  Mg  Mg8  1  0.835  0.669  0.254  1.0
  Mg  Mg9  1  0.835  0.669  0.746  1.0
  Mg  Mg10  1  0.331  0.165  0.254  1.0
  Mg  Mg11  1  0.331  0.165  0.746  1.0
  Mg  Mg12  1  0.835  0.165  0.251  1.0
  Mg  Mg13  1  0.835  0.165  0.749  1.0
  Mg  Mg14  1  0.333  0.667  0.250  1.0
  Mg  Mg15  1  0.333  0.667  0.750  1.0
[/CIF]
.
The crystal structure described by CaMg14Ce crystallizes in the orthorhombic Amm2 space group. Ca(1) is bonded to two equivalent Mg(6); four Mg(3,3,3); four Mg(5,5,5,5); and two equivalent Ce(1) atoms to form CaCe2Mg10 cuboctahedra that share corners with four equivalent Mg(2)Mg12 cuboctahedra; corners with six equivalent Ca(1)Ce2Mg10 cuboctahedra; corners with eight Mg(4,4)Mg12 cuboctahedra; edges with two equivalent Ce(1)Ca2Mg10 cuboctahedra; edges with four Mg(3,3,3)Ca2Ce2Mg8 cuboctahedra; edges with four equivalent Mg(6)CaMg11 cuboctahedra; edges with eight Mg(5,5,5,5)CaCeMg10 cuboctahedra; faces with two equivalent Mg(6)CaMg11 cuboctahedra; faces with two equivalent Mg(1)Mg12 cuboctahedra; faces with two equivalent Ce(1)Ca2Mg10 cuboctahedra; faces with four Mg(3,3,3)Ca2Ce2Mg8 cuboctahedra; faces with four Mg(5,5,5,5)CaCeMg10 cuboctahedra; and faces with six equivalent Mg(7)CeMg11 cuboctahedra. There are thirteen inequivalent Mg sites. In the first Mg site, Mg(1) is bonded to two equivalent Mg(2); two equivalent Mg(6); four Mg(4,4); and four Mg(5,5,5,5) atoms to form MgMg12 cuboctahedra that share corners with four equivalent Ce(1)Ca2Mg10 cuboctahedra; corners with six equivalent Mg(1)Mg12 cuboctahedra; corners with eight Mg(3,3,3)Ca2Ce2Mg8 cuboctahedra; edges with two equivalent Mg(2)Mg12 cuboctahedra; edges with four equivalent Mg(6)CaMg11 cuboctahedra; edges with four Mg(4,4)Mg12 cuboctahedra; edges with eight Mg(5,5,5,5)CaCeMg10 cuboctahedra; faces with two equivalent Ca(1)Ce2Mg10 cuboctahedra; faces with two equivalent Mg(6)CaMg11 cuboctahedra; faces with two equivalent Mg(2)Mg12 cuboctahedra; faces with four Mg(5,5,5,5)CaCeMg10 cuboctahedra; faces with four Mg(4,4)Mg12 cuboctahedra; and faces with six equivalent Mg(7)CeMg11 cuboctahedra. In the second Mg site, Mg(2) is bonded to two equivalent Mg(1); two equivalent Mg(7); four Mg(4,4); and four Mg(5,5,5) atoms to form MgMg12 cuboctahedra that share corners with four equivalent Ca(1)Ce2Mg10 cuboctahedra; corners with six equivalent Mg(2)Mg12 cuboctahedra; corners with eight Mg(3,3,3)Ca2Ce2Mg8 cuboctahedra; edges with two equivalent Mg(1)Mg12 cuboctahedra; edges with four equivalent Mg(7)CeMg11 cuboctahedra; edges with four Mg(4,4)Mg12 cuboctahedra; edges with eight Mg(5,5,5,5)CaCeMg10 cuboctahedra; faces with two equivalent Mg(7)CeMg11 cuboctahedra; faces with two equivalent Mg(1)Mg12 cuboctahedra; faces with two equivalent Ce(1)Ca2Mg10 cuboctahedra; faces with four Mg(5,5,5)CaCeMg10 cuboctahedra; faces with four Mg(4,4)Mg12 cuboctahedra; and faces with six equivalent Mg(6)CaMg11 cuboctahedra. In the third Mg site, Mg(3) is bonded to two equivalent Ca(1); two equivalent Mg(3); two Mg(5,5); two equivalent Mg(6); two equivalent Mg(7); and two equivalent Ce(1) atoms to form distorted MgCa2Ce2Mg8 cuboctahedra that share corners with four equivalent Mg(1)Mg12 cuboctahedra; corners with four equivalent Mg(2)Mg12 cuboctahedra; corners with four equivalent Mg(4)Mg12 cuboctahedra; corners with six Mg(3,3)Ca2Ce2Mg8 cuboctahedra; edges with two equivalent Ca(1)Ce2Mg10 cuboctahedra; edges with two equivalent Mg(3)Ca2Ce2Mg8 cuboctahedra; edges with two equivalent Ce(1)Ca2Mg10 cuboctahedra; edges with four Mg(5,5)CaCeMg10 cuboctahedra; edges with four equivalent Mg(6)CaMg11 cuboctahedra; edges with four equivalent Mg(7)CeMg11 cuboctahedra; faces with two equivalent Ca(1)Ce2Mg10 cuboctahedra; faces with two equivalent Mg(3)Ca2Ce2Mg8 cuboctahedra; faces with two equivalent Mg(6)CaMg11 cuboctahedra; faces with two equivalent Mg(7)CeMg11 cuboctahedra; faces with two equivalent Mg(4)Mg12 cuboctahedra; faces with two equivalent Ce(1)Ca2Mg10 cuboctahedra; and faces with eight Mg(5,5,5,5)CaCeMg10 cuboctahedra. In the fourth Mg site, Mg(4) is bonded to two equivalent Mg(1); two equivalent Mg(2); two equivalent Mg(4); two Mg(5,5); two equivalent Mg(6); and two equivalent Mg(7) atoms to form MgMg12 cuboctahedra that share corners with four equivalent Ca(1)Ce2Mg10 cuboctahedra; corners with four equivalent Mg(3)Ca2Ce2Mg8 cuboctahedra; corners with four equivalent Ce(1)Ca2Mg10 cuboctahedra; corners with six Mg(4,4)Mg12 cuboctahedra; edges with two equivalent Mg(1)Mg12 cuboctahedra; edges with two equivalent Mg(2)Mg12 cuboctahedra; edges with two equivalent Mg(4)Mg12 cuboctahedra; edges with four Mg(5,5)CaCeMg10 cuboctahedra; edges with four equivalent Mg(6)CaMg11 cuboctahedra; edges with four equivalent Mg(7)CeMg11 cuboctahedra; faces with two equivalent Mg(3)Ca2Ce2Mg8 cuboctahedra; faces with two equivalent Mg(6)CaMg11 cuboctahedra; faces with two equivalent Mg(7)CeMg11 cuboctahedra; faces with two equivalent Mg(1)Mg12 cuboctahedra; faces with two equivalent Mg(2)Mg12 cuboctahedra; faces with two equivalent Mg(4)Mg12 cuboctahedra; and faces with eight Mg(5,5,5,5)CaCeMg10 cuboctahedra. In the fifth Mg site, Mg(3) is bonded to two equivalent Ca(1); two equivalent Mg(3); two Mg(5,5); two equivalent Mg(6); two equivalent Mg(7); and two equivalent Ce(1) atoms to form distorted MgCa2Ce2Mg8 cuboctahedra that share corners with four equivalent Mg(1)Mg12 cuboctahedra; corners with four equivalent Mg(2)Mg12 cuboctahedra; corners with four equivalent Mg(4)Mg12 cuboctahedra; corners with six Mg(3,3)Ca2Ce2Mg8 cuboctahedra; edges with two equivalent Ca(1)Ce2Mg10 cuboctahedra; edges with two equivalent Mg(3)Ca2Ce2Mg8 cuboctahedra; edges with two equivalent Ce(1)Ca2Mg10 cuboctahedra; edges with four equivalent Mg(5)CaCeMg10 cuboctahedra; edges with four equivalent Mg(6)CaMg11 cuboctahedra; edges with four equivalent Mg(7)CeMg11 cuboctahedra; faces with two equivalent Ca(1)Ce2Mg10 cuboctahedra; faces with two equivalent Mg(3)Ca2Ce2Mg8 cuboctahedra; faces with two equivalent Mg(6)CaMg11 cuboctahedra; faces with two equivalent Mg(7)CeMg11 cuboctahedra; faces with two equivalent Mg(4)Mg12 cuboctahedra; faces with two equivalent Ce(1)Ca2Mg10 cuboctahedra; and faces with eight Mg(5,5,5,5)CaCeMg10 cuboctahedra. In the sixth Mg site, Mg(4) is bonded to two equivalent Mg(1); two equivalent Mg(2); two equivalent Mg(4); two Mg(5,5); two equivalent Mg(6); and two equivalent Mg(7) atoms to form MgMg12 cuboctahedra that share corners with four equivalent Ca(1)Ce2Mg10 cuboctahedra; corners with four equivalent Mg(3)Ca2Ce2Mg8 cuboctahedra; corners with four equivalent Ce(1)Ca2Mg10 cuboctahedra; corners with six Mg(4,4)Mg12 cuboctahedra; edges with two equivalent Mg(1)Mg12 cuboctahedra; edges with two equivalent Mg(2)Mg12 cuboctahedra; edges with two equivalent Mg(4)Mg12 cuboctahedra; edges with four equivalent Mg(5)CaCeMg10 cuboctahedra; edges with four equivalent Mg(6)CaMg11 cuboctahedra; edges with four equivalent Mg(7)CeMg11 cuboctahedra; faces with two equivalent Mg(3)Ca2Ce2Mg8 cuboctahedra; faces with two equivalent Mg(6)CaMg11 cuboctahedra; faces with two equivalent Mg(7)CeMg11 cuboctahedra; faces with two equivalent Mg(1)Mg12 cuboctahedra; faces with two equivalent Mg(2)Mg12 cuboctahedra; faces with two equivalent Mg(4)Mg12 cuboctahedra; and faces with eight Mg(5,5,5,5)CaCeMg10 cuboctahedra. In the seventh Mg site, Mg(5) is bonded to one Ca(1), one Mg(1), one Mg(2), one Mg(3), one Mg(4), two equivalent Mg(5), two equivalent Mg(6), two equivalent Mg(7), and one Ce(1) atom to form distorted MgCaCeMg10 cuboctahedra that share corners with four equivalent Mg(6)CaMg11 cuboctahedra; corners with four equivalent Mg(7)CeMg11 cuboctahedra; corners with ten Mg(5,5)CaCeMg10 cuboctahedra; edges with two equivalent Ca(1)Ce2Mg10 cuboctahedra; edges with two equivalent Mg(3)Ca2Ce2Mg8 cuboctahedra; edges with two equivalent Mg(5)CaCeMg10 cuboctahedra; edges with two equivalent Mg(6)CaMg11 cuboctahedra; edges with two equivalent Mg(7)CeMg11 cuboctahedra; edges with two equivalent Mg(1)Mg12 cuboctahedra; edges with two equivalent Mg(2)Mg12 cuboctahedra; edges with two equivalent Mg(4)Mg12 cuboctahedra; edges with two equivalent Ce(1)Ca2Mg10 cuboctahedra;  a faceface with one Ca(1)Ce2Mg10 cuboctahedra;  a faceface with one Mg(1)Mg12 cuboctahedra;  a faceface with one Mg(2)Mg12 cuboctahedra;  a faceface with one Ce(1)Ca2Mg10 cuboctahedra; faces with two equivalent Mg(6)CaMg11 cuboctahedra; faces with two equivalent Mg(7)CeMg11 cuboctahedra; faces with four Mg(3,3,3)Ca2Ce2Mg8 cuboctahedra; faces with four Mg(5,5)CaCeMg10 cuboctahedra; and faces with four Mg(4,4)Mg12 cuboctahedra. In the eighth Mg site, Mg(5) is bonded to one Ca(1), one Mg(1), one Mg(2), one Mg(3), one Mg(4), two equivalent Mg(5), two equivalent Mg(6), two equivalent Mg(7), and one Ce(1) atom to form distorted MgCaCeMg10 cuboctahedra that share corners with four equivalent Mg(6)CaMg11 cuboctahedra; corners with four equivalent Mg(7)CeMg11 cuboctahedra; corners with ten Mg(5,5)CaCeMg10 cuboctahedra; edges with two equivalent Ca(1)Ce2Mg10 cuboctahedra; edges with two equivalent Mg(3)Ca2Ce2Mg8 cuboctahedra; edges with two equivalent Mg(5)CaCeMg10 cuboctahedra; edges with two equivalent Mg(6)CaMg11 cuboctahedra; edges with two equivalent Mg(7)CeMg11 cuboctahedra; edges with two equivalent Mg(1)Mg12 cuboctahedra; edges with two equivalent Mg(2)Mg12 cuboctahedra; edges with two equivalent Mg(4)Mg12 cuboctahedra; edges with two equivalent Ce(1)Ca2Mg10 cuboctahedra;  a faceface with one Ca(1)Ce2Mg10 cuboctahedra;  a faceface with one Mg(1)Mg12 cuboctahedra;  a faceface with one Mg(2)Mg12 cuboctahedra;  a faceface with one Ce(1)Ca2Mg10 cuboctahedra; faces with two equivalent Mg(6)CaMg11 cuboctahedra; faces with two equivalent Mg(7)CeMg11 cuboctahedra; faces with four Mg(3,3,3)Ca2Ce2Mg8 cuboctahedra; faces with four Mg(5,5)CaCeMg10 cuboctahedra; and faces with four Mg(4,4)Mg12 cuboctahedra. In the ninth Mg site, Mg(5) is bonded to one Ca(1), one Mg(1), one Mg(2), one Mg(3), one Mg(4), two equivalent Mg(5), two equivalent Mg(6), two equivalent Mg(7), and one Ce(1) atom to form distorted MgCaCeMg10 cuboctahedra that share corners with four equivalent Mg(6)CaMg11 cuboctahedra; corners with four equivalent Mg(7)CeMg11 cuboctahedra; corners with ten Mg(5,5,5)CaCeMg10 cuboctahedra; edges with two equivalent Ca(1)Ce2Mg10 cuboctahedra; edges with two equivalent Mg(3)Ca2Ce2Mg8 cuboctahedra; edges with two equivalent Mg(5)CaCeMg10 cuboctahedra; edges with two equivalent Mg(6)CaMg11 cuboctahedra; edges with two equivalent Mg(7)CeMg11 cuboctahedra; edges with two equivalent Mg(1)Mg12 cuboctahedra; edges with two equivalent Mg(2)Mg12 cuboctahedra; edges with two equivalent Mg(4)Mg12 cuboctahedra; edges with two equivalent Ce(1)Ca2Mg10 cuboctahedra;  a faceface with one Ca(1)Ce2Mg10 cuboctahedra;  a faceface with one Mg(1)Mg12 cuboctahedra;  a faceface with one Mg(2)Mg12 cuboctahedra;  a faceface with one Ce(1)Ca2Mg10 cuboctahedra; faces with two equivalent Mg(6)CaMg11 cuboctahedra; faces with two equivalent Mg(7)CeMg11 cuboctahedra; faces with four Mg(3,3,3)Ca2Ce2Mg8 cuboctahedra; faces with four Mg(5,5)CaCeMg10 cuboctahedra; and faces with four Mg(4,4)Mg12 cuboctahedra. In the tenth Mg site, Mg(5) is bonded to one Ca(1), one Mg(1), one Mg(2), one Mg(3), one Mg(4), two equivalent Mg(5), two equivalent Mg(6), two equivalent Mg(7), and one Ce(1) atom to form distorted MgCaCeMg10 cuboctahedra that share corners with four equivalent Mg(6)CaMg11 cuboctahedra; corners with four equivalent Mg(7)CeMg11 cuboctahedra; corners with ten Mg(5,5)CaCeMg10 cuboctahedra; edges with two equivalent Ca(1)Ce2Mg10 cuboctahedra; edges with two equivalent Mg(3)Ca2Ce2Mg8 cuboctahedra; edges with two equivalent Mg(5)CaCeMg10 cuboctahedra; edges with two equivalent Mg(6)CaMg11 cuboctahedra; edges with two equivalent Mg(7)CeMg11 cuboctahedra; edges with two equivalent Mg(1)Mg12 cuboctahedra; edges with two equivalent Mg(2)Mg12 cuboctahedra; edges with two equivalent Mg(4)Mg12 cuboctahedra; edges with two equivalent Ce(1)Ca2Mg10 cuboctahedra;  a faceface with one Ca(1)Ce2Mg10 cuboctahedra;  a faceface with one Mg(1)Mg12 cuboctahedra;  a faceface with one Mg(2)Mg12 cuboctahedra;  a faceface with one Ce(1)Ca2Mg10 cuboctahedra; faces with two equivalent Mg(6)CaMg11 cuboctahedra; faces with two equivalent Mg(7)CeMg11 cuboctahedra; faces with four Mg(3,3,3)Ca2Ce2Mg8 cuboctahedra; faces with four Mg(5,5)CaCeMg10 cuboctahedra; and faces with four Mg(4,4)Mg12 cuboctahedra. In the eleventh Mg site, Mg(6) is bonded to one Ca(1); one Mg(1); two equivalent Mg(3); two Mg(4,4); two equivalent Mg(7); and four Mg(5,5,5) atoms to form distorted MgCaMg11 cuboctahedra that share corners with four equivalent Mg(7)CeMg11 cuboctahedra; corners with six equivalent Mg(6)CaMg11 cuboctahedra; corners with eight Mg(5,5,5)CaCeMg10 cuboctahedra; edges with two equivalent Ca(1)Ce2Mg10 cuboctahedra; edges with two equivalent Mg(7)CeMg11 cuboctahedra; edges with two equivalent Mg(1)Mg12 cuboctahedra; edges with four Mg(3,3,3)Ca2Ce2Mg8 cuboctahedra; edges with four Mg(5,5,5)CaCeMg10 cuboctahedra; edges with four Mg(4,4)Mg12 cuboctahedra;  a faceface with one Ca(1)Ce2Mg10 cuboctahedra;  a faceface with one Mg(1)Mg12 cuboctahedra; faces with two equivalent Mg(3)Ca2Ce2Mg8 cuboctahedra; faces with two equivalent Mg(6)CaMg11 cuboctahedra; faces with two equivalent Mg(7)CeMg11 cuboctahedra; faces with two Mg(4,4)Mg12 cuboctahedra; faces with three equivalent Mg(2)Mg12 cuboctahedra; faces with three equivalent Ce(1)Ca2Mg10 cuboctahedra; and faces with four Mg(5,5,5)CaCeMg10 cuboctahedra. In the twelfth Mg site, Mg(7) is bonded to one Mg(2); two Mg(3,3); two Mg(4,4); two equivalent Mg(6); four Mg(5,5,5); and one Ce(1) atom to form MgCeMg11 cuboctahedra that share corners with four equivalent Mg(6)CaMg11 cuboctahedra; corners with six equivalent Mg(7)CeMg11 cuboctahedra; corners with eight Mg(5,5,5)CaCeMg10 cuboctahedra; edges with two equivalent Mg(6)CaMg11 cuboctahedra; edges with two equivalent Mg(2)Mg12 cuboctahedra; edges with two equivalent Ce(1)Ca2Mg10 cuboctahedra; edges with four Mg(3,3,3)Ca2Ce2Mg8 cuboctahedra; edges with four Mg(5,5,5)CaCeMg10 cuboctahedra; edges with four Mg(4,4)Mg12 cuboctahedra;  a faceface with one Mg(2)Mg12 cuboctahedra;  a faceface with one Ce(1)Ca2Mg10 cuboctahedra; faces with two Mg(3,3)Ca2Ce2Mg8 cuboctahedra; faces with two equivalent Mg(6)CaMg11 cuboctahedra; faces with two equivalent Mg(7)CeMg11 cuboctahedra; faces with two Mg(4,4)Mg12 cuboctahedra; faces with three equivalent Ca(1)Ce2Mg10 cuboctahedra; faces with three equivalent Mg(1)Mg12 cuboctahedra; and faces with four Mg(5,5,5)CaCeMg10 cuboctahedra. In the thirteenth Mg site, Mg(3) is bonded to two equivalent Ca(1); two equivalent Mg(3); two Mg(5,5); two equivalent Mg(6); two equivalent Mg(7); and two equivalent Ce(1) atoms to form distorted MgCa2Ce2Mg8 cuboctahedra that share corners with four equivalent Mg(1)Mg12 cuboctahedra; corners with four equivalent Mg(2)Mg12 cuboctahedra; corners with four equivalent Mg(4)Mg12 cuboctahedra; corners with six Mg(3,3)Ca2Ce2Mg8 cuboctahedra; edges with two equivalent Ca(1)Ce2Mg10 cuboctahedra; edges with two equivalent Mg(3)Ca2Ce2Mg8 cuboctahedra; edges with two equivalent Ce(1)Ca2Mg10 cuboctahedra; edges with four Mg(5,5)CaCeMg10 cuboctahedra; edges with four equivalent Mg(6)CaMg11 cuboctahedra; edges with four equivalent Mg(7)CeMg11 cuboctahedra; faces with two equivalent Ca(1)Ce2Mg10 cuboctahedra; faces with two equivalent Mg(3)Ca2Ce2Mg8 cuboctahedra; faces with two equivalent Mg(6)CaMg11 cuboctahedra; faces with two equivalent Mg(7)CeMg11 cuboctahedra; faces with two equivalent Mg(4)Mg12 cuboctahedra; faces with two equivalent Ce(1)Ca2Mg10 cuboctahedra; and faces with eight Mg(5,5,5,5)CaCeMg10 cuboctahedra. Ce(1) is bonded to two equivalent Ca(1); two equivalent Mg(7); four Mg(3,3,3); and four Mg(5,5,5) atoms to form CeCa2Mg10 cuboctahedra that share corners with four equivalent Mg(1)Mg12 cuboctahedra; corners with six equivalent Ce(1)Ca2Mg10 cuboctahedra; corners with eight Mg(4,4)Mg12 cuboctahedra; edges with two equivalent Ca(1)Ce2Mg10 cuboctahedra; edges with four Mg(3,3,3)Ca2Ce2Mg8 cuboctahedra; edges with four equivalent Mg(7)CeMg11 cuboctahedra; edges with eight Mg(5,5,5,5)CaCeMg10 cuboctahedra; faces with two equivalent Ca(1)Ce2Mg10 cuboctahedra; faces with two equivalent Mg(7)CeMg11 cuboctahedra; faces with two equivalent Mg(2)Mg12 cuboctahedra; faces with four Mg(3,3,3)Ca2Ce2Mg8 cuboctahedra; faces with four Mg(5,5,5)CaCeMg10 cuboctahedra; and faces with six equivalent Mg(6)CaMg11 cuboctahedra. is represented by the CIF card [CIF]
data_CaCeMg14
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.523
_cell_length_b   6.523
_cell_length_c   10.504
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   118.366
_symmetry_Int_Tables_number   1
_cell_volume   393.256
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Ca  Ca0  1  0.665  0.335  0.000  1.0
  Ce  Ce1  1  0.164  0.836  0.000  1.0
  Mg  Mg2  1  0.666  0.334  0.500  1.0
  Mg  Mg3  1  0.167  0.833  0.500  1.0
  Mg  Mg4  1  0.666  0.829  0.000  1.0
  Mg  Mg5  1  0.666  0.833  0.500  1.0
  Mg  Mg6  1  0.171  0.334  0.000  1.0
  Mg  Mg7  1  0.167  0.334  0.500  1.0
  Mg  Mg8  1  0.835  0.669  0.254  1.0
  Mg  Mg9  1  0.835  0.669  0.746  1.0
  Mg  Mg10  1  0.331  0.165  0.254  1.0
  Mg  Mg11  1  0.331  0.165  0.746  1.0
  Mg  Mg12  1  0.835  0.165  0.251  1.0
  Mg  Mg13  1  0.835  0.165  0.749  1.0
  Mg  Mg14  1  0.333  0.667  0.250  1.0
  Mg  Mg15  1  0.333  0.667  0.750  1.0
[/CIF]
.