The compound described by CaMg14Mo crystallizes in the orthorhombic Amm2 space group. Ca(1) is bonded to two equivalent Mg(6), four equivalent Mg(3), four equivalent Mg(5), and two equivalent Mo(1) atoms to form CaMg10Mo2 cuboctahedra that share corners with four equivalent Mg(2)Mg12 cuboctahedra, corners with six equivalent Ca(1)Mg10Mo2 cuboctahedra, corners with eight equivalent Mg(4)Mg12 cuboctahedra, edges with two equivalent Mo(1)Ca2Mg10 cuboctahedra, edges with four equivalent Mg(3)Ca2Mg8Mo2 cuboctahedra, edges with four equivalent Mg(6)CaMg11 cuboctahedra, faces with two equivalent Mg(6)CaMg11 cuboctahedra, faces with two equivalent Mg(1)Mg12 cuboctahedra, faces with two equivalent Mo(1)Ca2Mg10 cuboctahedra, and faces with four equivalent Mg(3)Ca2Mg8Mo2 cuboctahedra. There are seven inequivalent Mg sites. In the first Mg site, Mg(1) is bonded to two equivalent Mg(2), two equivalent Mg(6), four equivalent Mg(4), and four equivalent Mg(5) atoms to form MgMg12 cuboctahedra that share corners with four equivalent Mo(1)Ca2Mg10 cuboctahedra, corners with six equivalent Mg(1)Mg12 cuboctahedra, corners with eight equivalent Mg(3)Ca2Mg8Mo2 cuboctahedra, edges with two equivalent Mg(2)Mg12 cuboctahedra, edges with four equivalent Mg(6)CaMg11 cuboctahedra, edges with four equivalent Mg(4)Mg12 cuboctahedra, faces with two equivalent Ca(1)Mg10Mo2 cuboctahedra, faces with two equivalent Mg(6)CaMg11 cuboctahedra, faces with two equivalent Mg(2)Mg12 cuboctahedra, and faces with four equivalent Mg(4)Mg12 cuboctahedra. In the second Mg site, Mg(2) is bonded to two equivalent Mg(1), two equivalent Mg(7), four equivalent Mg(4), and four equivalent Mg(5) atoms to form MgMg12 cuboctahedra that share corners with four equivalent Ca(1)Mg10Mo2 cuboctahedra, corners with six equivalent Mg(2)Mg12 cuboctahedra, corners with eight equivalent Mg(3)Ca2Mg8Mo2 cuboctahedra, edges with two equivalent Mg(1)Mg12 cuboctahedra, edges with four equivalent Mg(4)Mg12 cuboctahedra, faces with two equivalent Mg(1)Mg12 cuboctahedra, faces with two equivalent Mo(1)Ca2Mg10 cuboctahedra, faces with four equivalent Mg(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 equivalent Mg(5), two equivalent Mg(6), two equivalent Mg(7), and two equivalent Mo(1) atoms to form distorted MgCa2Mg8Mo2 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 equivalent Mg(3)Ca2Mg8Mo2 cuboctahedra, edges with two equivalent Ca(1)Mg10Mo2 cuboctahedra, edges with two equivalent Mg(3)Ca2Mg8Mo2 cuboctahedra, edges with two equivalent Mo(1)Ca2Mg10 cuboctahedra, edges with four equivalent Mg(6)CaMg11 cuboctahedra, faces with two equivalent Ca(1)Mg10Mo2 cuboctahedra, faces with two equivalent Mg(3)Ca2Mg8Mo2 cuboctahedra, faces with two equivalent Mg(6)CaMg11 cuboctahedra, faces with two equivalent Mg(4)Mg12 cuboctahedra, and faces with two equivalent Mo(1)Ca2Mg10 cuboctahedra. In the fourth Mg site, Mg(4) is bonded to two equivalent Mg(1), two equivalent Mg(2), two equivalent Mg(4), two equivalent Mg(5), two equivalent Mg(6), and two equivalent Mg(7) atoms to form MgMg12 cuboctahedra that share corners with four equivalent Ca(1)Mg10Mo2 cuboctahedra, corners with four equivalent Mg(3)Ca2Mg8Mo2 cuboctahedra, corners with four equivalent Mo(1)Ca2Mg10 cuboctahedra, corners with six equivalent Mg(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(6)CaMg11 cuboctahedra, faces with two equivalent Mg(3)Ca2Mg8Mo2 cuboctahedra, faces with two equivalent Mg(6)CaMg11 cuboctahedra, faces with two equivalent Mg(1)Mg12 cuboctahedra, faces with two equivalent Mg(2)Mg12 cuboctahedra, and faces with two equivalent Mg(4)Mg12 cuboctahedra. In the fifth Mg site, Mg(5) is bonded in a 12-coordinate geometry 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 Mo(1) atom. In the sixth Mg site, Mg(6) is bonded to one Ca(1), one Mg(1), two equivalent Mg(3), two equivalent Mg(4), two equivalent Mg(7), and four equivalent Mg(5) atoms to form distorted MgCaMg11 cuboctahedra that share corners with six equivalent Mg(6)CaMg11 cuboctahedra, edges with two equivalent Ca(1)Mg10Mo2 cuboctahedra, edges with two equivalent Mg(1)Mg12 cuboctahedra, edges with four equivalent Mg(3)Ca2Mg8Mo2 cuboctahedra, edges with four equivalent Mg(4)Mg12 cuboctahedra,  a faceface with one Ca(1)Mg10Mo2 cuboctahedra,  a faceface with one Mg(1)Mg12 cuboctahedra, faces with two equivalent Mg(3)Ca2Mg8Mo2 cuboctahedra, faces with two equivalent Mg(6)CaMg11 cuboctahedra, faces with two equivalent Mg(4)Mg12 cuboctahedra, faces with three equivalent Mg(2)Mg12 cuboctahedra, and faces with three equivalent Mo(1)Ca2Mg10 cuboctahedra. In the seventh Mg site, Mg(7) is bonded in a distorted single-bond geometry to one Mg(2), two equivalent Mg(3), two equivalent Mg(4), two equivalent Mg(6), four equivalent Mg(5), and one Mo(1) atom. Mo(1) is bonded to two equivalent Ca(1), two equivalent Mg(7), four equivalent Mg(3), and four equivalent Mg(5) atoms to form MoCa2Mg10 cuboctahedra that share corners with four equivalent Mg(1)Mg12 cuboctahedra, corners with six equivalent Mo(1)Ca2Mg10 cuboctahedra, corners with eight equivalent Mg(4)Mg12 cuboctahedra, edges with two equivalent Ca(1)Mg10Mo2 cuboctahedra, edges with four equivalent Mg(3)Ca2Mg8Mo2 cuboctahedra, faces with two equivalent Ca(1)Mg10Mo2 cuboctahedra, faces with two equivalent Mg(2)Mg12 cuboctahedra, faces with four equivalent Mg(3)Ca2Mg8Mo2 cuboctahedra, and faces with six equivalent Mg(6)CaMg11 cuboctahedra. is represented by the CIF file [CIF]
data_CaMg14Mo
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.430
_cell_length_b   6.436
_cell_length_c   10.176
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.032
_symmetry_Int_Tables_number   1
_cell_volume   364.591
_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  0.165  0.332  0.125  1.0
  Mg  Mg1  1  0.169  0.334  0.625  1.0
  Mg  Mg2  1  0.165  0.832  0.625  1.0
  Mg  Mg3  1  0.662  0.327  0.125  1.0
  Mg  Mg4  1  0.666  0.336  0.625  1.0
  Mg  Mg5  1  0.662  0.835  0.125  1.0
  Mg  Mg6  1  0.666  0.830  0.625  1.0
  Mg  Mg7  1  0.331  0.154  0.373  1.0
  Mg  Mg8  1  0.331  0.154  0.877  1.0
  Mg  Mg9  1  0.331  0.678  0.373  1.0
  Mg  Mg10  1  0.331  0.678  0.877  1.0
  Mg  Mg11  1  0.827  0.164  0.384  1.0
  Mg  Mg12  1  0.827  0.164  0.866  1.0
  Mg  Mg13  1  0.844  0.672  0.362  1.0
  Mg  Mg14  1  0.844  0.672  0.888  1.0
  Mo  Mo15  1  0.179  0.839  0.125  1.0
[/CIF]
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The compound described by CaMg14Mo crystallizes in the orthorhombic Amm2 space group. Ca(1) is bonded to two equivalent Mg(6), four equivalent Mg(3), four equivalent Mg(5), and two equivalent Mo(1) atoms to form CaMg10Mo2 cuboctahedra that share corners with four equivalent Mg(2)Mg12 cuboctahedra, corners with six equivalent Ca(1)Mg10Mo2 cuboctahedra, corners with eight equivalent Mg(4)Mg12 cuboctahedra, edges with two equivalent Mo(1)Ca2Mg10 cuboctahedra, edges with four equivalent Mg(3)Ca2Mg8Mo2 cuboctahedra, edges with four equivalent Mg(6)CaMg11 cuboctahedra, faces with two equivalent Mg(6)CaMg11 cuboctahedra, faces with two equivalent Mg(1)Mg12 cuboctahedra, faces with two equivalent Mo(1)Ca2Mg10 cuboctahedra, and faces with four equivalent Mg(3)Ca2Mg8Mo2 cuboctahedra. There are seven inequivalent Mg sites. In the first Mg site, Mg(1) is bonded to two equivalent Mg(2), two equivalent Mg(6), four equivalent Mg(4), and four equivalent Mg(5) atoms to form MgMg12 cuboctahedra that share corners with four equivalent Mo(1)Ca2Mg10 cuboctahedra, corners with six equivalent Mg(1)Mg12 cuboctahedra, corners with eight equivalent Mg(3)Ca2Mg8Mo2 cuboctahedra, edges with two equivalent Mg(2)Mg12 cuboctahedra, edges with four equivalent Mg(6)CaMg11 cuboctahedra, edges with four equivalent Mg(4)Mg12 cuboctahedra, faces with two equivalent Ca(1)Mg10Mo2 cuboctahedra, faces with two equivalent Mg(6)CaMg11 cuboctahedra, faces with two equivalent Mg(2)Mg12 cuboctahedra, and faces with four equivalent Mg(4)Mg12 cuboctahedra. In the second Mg site, Mg(2) is bonded to two equivalent Mg(1), two equivalent Mg(7), four equivalent Mg(4), and four equivalent Mg(5) atoms to form MgMg12 cuboctahedra that share corners with four equivalent Ca(1)Mg10Mo2 cuboctahedra, corners with six equivalent Mg(2)Mg12 cuboctahedra, corners with eight equivalent Mg(3)Ca2Mg8Mo2 cuboctahedra, edges with two equivalent Mg(1)Mg12 cuboctahedra, edges with four equivalent Mg(4)Mg12 cuboctahedra, faces with two equivalent Mg(1)Mg12 cuboctahedra, faces with two equivalent Mo(1)Ca2Mg10 cuboctahedra, faces with four equivalent Mg(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 equivalent Mg(5), two equivalent Mg(6), two equivalent Mg(7), and two equivalent Mo(1) atoms to form distorted MgCa2Mg8Mo2 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 equivalent Mg(3)Ca2Mg8Mo2 cuboctahedra, edges with two equivalent Ca(1)Mg10Mo2 cuboctahedra, edges with two equivalent Mg(3)Ca2Mg8Mo2 cuboctahedra, edges with two equivalent Mo(1)Ca2Mg10 cuboctahedra, edges with four equivalent Mg(6)CaMg11 cuboctahedra, faces with two equivalent Ca(1)Mg10Mo2 cuboctahedra, faces with two equivalent Mg(3)Ca2Mg8Mo2 cuboctahedra, faces with two equivalent Mg(6)CaMg11 cuboctahedra, faces with two equivalent Mg(4)Mg12 cuboctahedra, and faces with two equivalent Mo(1)Ca2Mg10 cuboctahedra. In the fourth Mg site, Mg(4) is bonded to two equivalent Mg(1), two equivalent Mg(2), two equivalent Mg(4), two equivalent Mg(5), two equivalent Mg(6), and two equivalent Mg(7) atoms to form MgMg12 cuboctahedra that share corners with four equivalent Ca(1)Mg10Mo2 cuboctahedra, corners with four equivalent Mg(3)Ca2Mg8Mo2 cuboctahedra, corners with four equivalent Mo(1)Ca2Mg10 cuboctahedra, corners with six equivalent Mg(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(6)CaMg11 cuboctahedra, faces with two equivalent Mg(3)Ca2Mg8Mo2 cuboctahedra, faces with two equivalent Mg(6)CaMg11 cuboctahedra, faces with two equivalent Mg(1)Mg12 cuboctahedra, faces with two equivalent Mg(2)Mg12 cuboctahedra, and faces with two equivalent Mg(4)Mg12 cuboctahedra. In the fifth Mg site, Mg(5) is bonded in a 12-coordinate geometry 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 Mo(1) atom. In the sixth Mg site, Mg(6) is bonded to one Ca(1), one Mg(1), two equivalent Mg(3), two equivalent Mg(4), two equivalent Mg(7), and four equivalent Mg(5) atoms to form distorted MgCaMg11 cuboctahedra that share corners with six equivalent Mg(6)CaMg11 cuboctahedra, edges with two equivalent Ca(1)Mg10Mo2 cuboctahedra, edges with two equivalent Mg(1)Mg12 cuboctahedra, edges with four equivalent Mg(3)Ca2Mg8Mo2 cuboctahedra, edges with four equivalent Mg(4)Mg12 cuboctahedra,  a faceface with one Ca(1)Mg10Mo2 cuboctahedra,  a faceface with one Mg(1)Mg12 cuboctahedra, faces with two equivalent Mg(3)Ca2Mg8Mo2 cuboctahedra, faces with two equivalent Mg(6)CaMg11 cuboctahedra, faces with two equivalent Mg(4)Mg12 cuboctahedra, faces with three equivalent Mg(2)Mg12 cuboctahedra, and faces with three equivalent Mo(1)Ca2Mg10 cuboctahedra. In the seventh Mg site, Mg(7) is bonded in a distorted single-bond geometry to one Mg(2), two equivalent Mg(3), two equivalent Mg(4), two equivalent Mg(6), four equivalent Mg(5), and one Mo(1) atom. Mo(1) is bonded to two equivalent Ca(1), two equivalent Mg(7), four equivalent Mg(3), and four equivalent Mg(5) atoms to form MoCa2Mg10 cuboctahedra that share corners with four equivalent Mg(1)Mg12 cuboctahedra, corners with six equivalent Mo(1)Ca2Mg10 cuboctahedra, corners with eight equivalent Mg(4)Mg12 cuboctahedra, edges with two equivalent Ca(1)Mg10Mo2 cuboctahedra, edges with four equivalent Mg(3)Ca2Mg8Mo2 cuboctahedra, faces with two equivalent Ca(1)Mg10Mo2 cuboctahedra, faces with two equivalent Mg(2)Mg12 cuboctahedra, faces with four equivalent Mg(3)Ca2Mg8Mo2 cuboctahedra, and faces with six equivalent Mg(6)CaMg11 cuboctahedra. is represented by the CIF file [CIF]
data_CaMg14Mo
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.430
_cell_length_b   6.436
_cell_length_c   10.176
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.032
_symmetry_Int_Tables_number   1
_cell_volume   364.591
_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  0.165  0.332  0.125  1.0
  Mg  Mg1  1  0.169  0.334  0.625  1.0
  Mg  Mg2  1  0.165  0.832  0.625  1.0
  Mg  Mg3  1  0.662  0.327  0.125  1.0
  Mg  Mg4  1  0.666  0.336  0.625  1.0
  Mg  Mg5  1  0.662  0.835  0.125  1.0
  Mg  Mg6  1  0.666  0.830  0.625  1.0
  Mg  Mg7  1  0.331  0.154  0.373  1.0
  Mg  Mg8  1  0.331  0.154  0.877  1.0
  Mg  Mg9  1  0.331  0.678  0.373  1.0
  Mg  Mg10  1  0.331  0.678  0.877  1.0
  Mg  Mg11  1  0.827  0.164  0.384  1.0
  Mg  Mg12  1  0.827  0.164  0.866  1.0
  Mg  Mg13  1  0.844  0.672  0.362  1.0
  Mg  Mg14  1  0.844  0.672  0.888  1.0
  Mo  Mo15  1  0.179  0.839  0.125  1.0
[/CIF]
.