The compound described by CaMg6Mn crystallizes in the orthorhombic Amm2 space group. Ca(1) is bonded to two equivalent Mg(3); four Mg(1,1); four equivalent Mg(2); and two equivalent Mn(1) atoms to form CaMg10Mn2 cuboctahedra that share corners with four equivalent Mn(1)Ca2Mg10 cuboctahedra; corners with six equivalent Ca(1)Mg10Mn2 cuboctahedra; corners with eight Mg(1,1)Ca2Mg8Mn2 cuboctahedra; edges with two equivalent Mn(1)Ca2Mg10 cuboctahedra; edges with four equivalent Mg(3)Ca2Mg10 cuboctahedra; edges with four Mg(1,1)Ca2Mg8Mn2 cuboctahedra; edges with eight Mg(2,2)Ca2Mg8Mn2 cuboctahedra; faces with two equivalent Ca(1)Mg10Mn2 cuboctahedra; faces with two equivalent Mg(3)Ca2Mg10 cuboctahedra; faces with two equivalent Mn(1)Ca2Mg10 cuboctahedra; faces with four Mg(1,1)Ca2Mg8Mn2 cuboctahedra; faces with four equivalent Mg(2)Ca2Mg8Mn2 cuboctahedra; and faces with six equivalent Mg(4)Mg10Mn2 cuboctahedra. There are six inequivalent Mg sites. In the first Mg site, Mg(1) is bonded to two equivalent Ca(1), two equivalent Mg(1), two equivalent Mg(2), two equivalent Mg(3), two equivalent Mg(4), and two equivalent Mn(1) atoms to form distorted MgCa2Mg8Mn2 cuboctahedra that share corners with four equivalent Ca(1)Mg10Mn2 cuboctahedra; corners with four equivalent Mn(1)Ca2Mg10 cuboctahedra; corners with ten Mg(1,1)Ca2Mg8Mn2 cuboctahedra; edges with two equivalent Ca(1)Mg10Mn2 cuboctahedra; edges with two equivalent Mg(1)Ca2Mg8Mn2 cuboctahedra; edges with two equivalent Mn(1)Ca2Mg10 cuboctahedra; edges with four equivalent Mg(3)Ca2Mg10 cuboctahedra; edges with four equivalent Mg(2)Ca2Mg8Mn2 cuboctahedra; edges with four equivalent Mg(4)Mg10Mn2 cuboctahedra; faces with two equivalent Ca(1)Mg10Mn2 cuboctahedra; faces with two equivalent Mg(3)Ca2Mg10 cuboctahedra; faces with two equivalent Mg(4)Mg10Mn2 cuboctahedra; faces with two equivalent Mn(1)Ca2Mg10 cuboctahedra; faces with four Mg(1,1)Ca2Mg8Mn2 cuboctahedra; and faces with eight Mg(2,2)Ca2Mg8Mn2 cuboctahedra. In the second Mg site, Mg(1) is bonded to two equivalent Ca(1), two equivalent Mg(1), two equivalent Mg(2), two equivalent Mg(3), two equivalent Mg(4), and two equivalent Mn(1) atoms to form distorted MgCa2Mg8Mn2 cuboctahedra that share corners with four equivalent Ca(1)Mg10Mn2 cuboctahedra; corners with four equivalent Mn(1)Ca2Mg10 cuboctahedra; corners with ten Mg(1,1)Ca2Mg8Mn2 cuboctahedra; edges with two equivalent Ca(1)Mg10Mn2 cuboctahedra; edges with two equivalent Mg(1)Ca2Mg8Mn2 cuboctahedra; edges with two equivalent Mn(1)Ca2Mg10 cuboctahedra; edges with four equivalent Mg(3)Ca2Mg10 cuboctahedra; edges with four equivalent Mg(2)Ca2Mg8Mn2 cuboctahedra; edges with four equivalent Mg(4)Mg10Mn2 cuboctahedra; faces with two equivalent Ca(1)Mg10Mn2 cuboctahedra; faces with two equivalent Mg(3)Ca2Mg10 cuboctahedra; faces with two equivalent Mg(4)Mg10Mn2 cuboctahedra; faces with two equivalent Mn(1)Ca2Mg10 cuboctahedra; faces with four Mg(1,1)Ca2Mg8Mn2 cuboctahedra; and faces with eight Mg(2,2)Ca2Mg8Mn2 cuboctahedra. In the third Mg site, Mg(2) is bonded to two equivalent Ca(1), two equivalent Mg(1), two equivalent Mg(2), two equivalent Mg(3), two equivalent Mg(4), and two equivalent Mn(1) atoms to form distorted MgCa2Mg8Mn2 cuboctahedra that share corners with four equivalent Mg(3)Ca2Mg10 cuboctahedra; corners with four equivalent Mg(4)Mg10Mn2 cuboctahedra; corners with ten Mg(2,2)Ca2Mg8Mn2 cuboctahedra; edges with two equivalent Mg(3)Ca2Mg10 cuboctahedra; edges with two equivalent Mg(2)Ca2Mg8Mn2 cuboctahedra; edges with two equivalent Mg(4)Mg10Mn2 cuboctahedra; edges with four equivalent Ca(1)Mg10Mn2 cuboctahedra; edges with four equivalent Mg(1)Ca2Mg8Mn2 cuboctahedra; edges with four equivalent Mn(1)Ca2Mg10 cuboctahedra; faces with two equivalent Ca(1)Mg10Mn2 cuboctahedra; faces with two equivalent Mg(3)Ca2Mg10 cuboctahedra; faces with two equivalent Mg(4)Mg10Mn2 cuboctahedra; faces with two equivalent Mn(1)Ca2Mg10 cuboctahedra; faces with four Mg(2,2)Ca2Mg8Mn2 cuboctahedra; and faces with eight Mg(1,1)Ca2Mg8Mn2 cuboctahedra. In the fourth Mg site, Mg(2) is bonded to two equivalent Ca(1), two equivalent Mg(1), two equivalent Mg(2), two equivalent Mg(3), two equivalent Mg(4), and two equivalent Mn(1) atoms to form distorted MgCa2Mg8Mn2 cuboctahedra that share corners with four equivalent Mg(3)Ca2Mg10 cuboctahedra; corners with four equivalent Mg(4)Mg10Mn2 cuboctahedra; corners with ten Mg(2,2)Ca2Mg8Mn2 cuboctahedra; edges with two equivalent Mg(3)Ca2Mg10 cuboctahedra; edges with two equivalent Mg(2)Ca2Mg8Mn2 cuboctahedra; edges with two equivalent Mg(4)Mg10Mn2 cuboctahedra; edges with four equivalent Ca(1)Mg10Mn2 cuboctahedra; edges with four equivalent Mg(1)Ca2Mg8Mn2 cuboctahedra; edges with four equivalent Mn(1)Ca2Mg10 cuboctahedra; faces with two equivalent Ca(1)Mg10Mn2 cuboctahedra; faces with two equivalent Mg(3)Ca2Mg10 cuboctahedra; faces with two equivalent Mg(4)Mg10Mn2 cuboctahedra; faces with two equivalent Mn(1)Ca2Mg10 cuboctahedra; faces with four Mg(2,2)Ca2Mg8Mn2 cuboctahedra; and faces with eight Mg(1,1)Ca2Mg8Mn2 cuboctahedra. In the fifth Mg site, Mg(3) is bonded to two equivalent Ca(1); two equivalent Mg(4); four Mg(1,1); and four Mg(2,2) atoms to form distorted MgCa2Mg10 cuboctahedra that share corners with four equivalent Mg(4)Mg10Mn2 cuboctahedra; corners with six equivalent Mg(3)Ca2Mg10 cuboctahedra; corners with eight Mg(2,2)Ca2Mg8Mn2 cuboctahedra; edges with two equivalent Mg(4)Mg10Mn2 cuboctahedra; edges with four equivalent Ca(1)Mg10Mn2 cuboctahedra; edges with four Mg(2,2)Ca2Mg8Mn2 cuboctahedra; edges with eight Mg(1,1)Ca2Mg8Mn2 cuboctahedra; faces with two equivalent Ca(1)Mg10Mn2 cuboctahedra; faces with two equivalent Mg(3)Ca2Mg10 cuboctahedra; faces with two equivalent Mg(4)Mg10Mn2 cuboctahedra; faces with four Mg(1,1)Ca2Mg8Mn2 cuboctahedra; faces with four Mg(2,2)Ca2Mg8Mn2 cuboctahedra; and faces with six equivalent Mn(1)Ca2Mg10 cuboctahedra. In the sixth Mg site, Mg(4) is bonded to two equivalent Mg(3); four Mg(1,1); four Mg(2,2); and two equivalent Mn(1) atoms to form distorted MgMg10Mn2 cuboctahedra that share corners with four equivalent Mg(3)Ca2Mg10 cuboctahedra; corners with six equivalent Mg(4)Mg10Mn2 cuboctahedra; corners with eight Mg(2,2)Ca2Mg8Mn2 cuboctahedra; edges with two equivalent Mg(3)Ca2Mg10 cuboctahedra; edges with four Mg(2,2)Ca2Mg8Mn2 cuboctahedra; edges with four equivalent Mn(1)Ca2Mg10 cuboctahedra; edges with eight Mg(1,1)Ca2Mg8Mn2 cuboctahedra; faces with two equivalent Mg(3)Ca2Mg10 cuboctahedra; faces with two equivalent Mg(4)Mg10Mn2 cuboctahedra; faces with two equivalent Mn(1)Ca2Mg10 cuboctahedra; faces with four Mg(1,1)Ca2Mg8Mn2 cuboctahedra; faces with four Mg(2,2)Ca2Mg8Mn2 cuboctahedra; and faces with six equivalent Ca(1)Mg10Mn2 cuboctahedra. Mn(1) is bonded to two equivalent Ca(1); two equivalent Mg(4); four Mg(1,1); and four Mg(2,2) atoms to form MnCa2Mg10 cuboctahedra that share corners with four equivalent Ca(1)Mg10Mn2 cuboctahedra; corners with six equivalent Mn(1)Ca2Mg10 cuboctahedra; corners with eight Mg(1,1)Ca2Mg8Mn2 cuboctahedra; edges with two equivalent Ca(1)Mg10Mn2 cuboctahedra; edges with four Mg(1,1)Ca2Mg8Mn2 cuboctahedra; edges with four equivalent Mg(4)Mg10Mn2 cuboctahedra; edges with eight Mg(2,2)Ca2Mg8Mn2 cuboctahedra; faces with two equivalent Ca(1)Mg10Mn2 cuboctahedra; faces with two equivalent Mg(4)Mg10Mn2 cuboctahedra; faces with two equivalent Mn(1)Ca2Mg10 cuboctahedra; faces with four Mg(1,1)Ca2Mg8Mn2 cuboctahedra; faces with four Mg(2,2)Ca2Mg8Mn2 cuboctahedra; and faces with six equivalent Mg(3)Ca2Mg10 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_CaMg6Mn
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.163
_cell_length_b   6.480
_cell_length_c   6.480
_cell_angle_alpha   119.598
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   188.473
_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  0.000  0.166  0.834  1.0
  Mg  Mg1  1  0.000  0.171  0.335  1.0
  Mg  Mg2  1  0.000  0.665  0.829  1.0
  Mg  Mg3  1  0.500  0.348  0.179  1.0
  Mg  Mg4  1  0.500  0.821  0.652  1.0
  Mg  Mg5  1  0.500  0.337  0.663  1.0
  Mg  Mg6  1  0.500  0.829  0.171  1.0
  Mn  Mn7  1  0.000  0.664  0.336  1.0
[/CIF]
.
The compound described by CaMg6Mn crystallizes in the orthorhombic Amm2 space group. Ca(1) is bonded to two equivalent Mg(3); four Mg(1,1); four equivalent Mg(2); and two equivalent Mn(1) atoms to form CaMg10Mn2 cuboctahedra that share corners with four equivalent Mn(1)Ca2Mg10 cuboctahedra; corners with six equivalent Ca(1)Mg10Mn2 cuboctahedra; corners with eight Mg(1,1)Ca2Mg8Mn2 cuboctahedra; edges with two equivalent Mn(1)Ca2Mg10 cuboctahedra; edges with four equivalent Mg(3)Ca2Mg10 cuboctahedra; edges with four Mg(1,1)Ca2Mg8Mn2 cuboctahedra; edges with eight Mg(2,2)Ca2Mg8Mn2 cuboctahedra; faces with two equivalent Ca(1)Mg10Mn2 cuboctahedra; faces with two equivalent Mg(3)Ca2Mg10 cuboctahedra; faces with two equivalent Mn(1)Ca2Mg10 cuboctahedra; faces with four Mg(1,1)Ca2Mg8Mn2 cuboctahedra; faces with four equivalent Mg(2)Ca2Mg8Mn2 cuboctahedra; and faces with six equivalent Mg(4)Mg10Mn2 cuboctahedra. There are six inequivalent Mg sites. In the first Mg site, Mg(1) is bonded to two equivalent Ca(1), two equivalent Mg(1), two equivalent Mg(2), two equivalent Mg(3), two equivalent Mg(4), and two equivalent Mn(1) atoms to form distorted MgCa2Mg8Mn2 cuboctahedra that share corners with four equivalent Ca(1)Mg10Mn2 cuboctahedra; corners with four equivalent Mn(1)Ca2Mg10 cuboctahedra; corners with ten Mg(1,1)Ca2Mg8Mn2 cuboctahedra; edges with two equivalent Ca(1)Mg10Mn2 cuboctahedra; edges with two equivalent Mg(1)Ca2Mg8Mn2 cuboctahedra; edges with two equivalent Mn(1)Ca2Mg10 cuboctahedra; edges with four equivalent Mg(3)Ca2Mg10 cuboctahedra; edges with four equivalent Mg(2)Ca2Mg8Mn2 cuboctahedra; edges with four equivalent Mg(4)Mg10Mn2 cuboctahedra; faces with two equivalent Ca(1)Mg10Mn2 cuboctahedra; faces with two equivalent Mg(3)Ca2Mg10 cuboctahedra; faces with two equivalent Mg(4)Mg10Mn2 cuboctahedra; faces with two equivalent Mn(1)Ca2Mg10 cuboctahedra; faces with four Mg(1,1)Ca2Mg8Mn2 cuboctahedra; and faces with eight Mg(2,2)Ca2Mg8Mn2 cuboctahedra. In the second Mg site, Mg(1) is bonded to two equivalent Ca(1), two equivalent Mg(1), two equivalent Mg(2), two equivalent Mg(3), two equivalent Mg(4), and two equivalent Mn(1) atoms to form distorted MgCa2Mg8Mn2 cuboctahedra that share corners with four equivalent Ca(1)Mg10Mn2 cuboctahedra; corners with four equivalent Mn(1)Ca2Mg10 cuboctahedra; corners with ten Mg(1,1)Ca2Mg8Mn2 cuboctahedra; edges with two equivalent Ca(1)Mg10Mn2 cuboctahedra; edges with two equivalent Mg(1)Ca2Mg8Mn2 cuboctahedra; edges with two equivalent Mn(1)Ca2Mg10 cuboctahedra; edges with four equivalent Mg(3)Ca2Mg10 cuboctahedra; edges with four equivalent Mg(2)Ca2Mg8Mn2 cuboctahedra; edges with four equivalent Mg(4)Mg10Mn2 cuboctahedra; faces with two equivalent Ca(1)Mg10Mn2 cuboctahedra; faces with two equivalent Mg(3)Ca2Mg10 cuboctahedra; faces with two equivalent Mg(4)Mg10Mn2 cuboctahedra; faces with two equivalent Mn(1)Ca2Mg10 cuboctahedra; faces with four Mg(1,1)Ca2Mg8Mn2 cuboctahedra; and faces with eight Mg(2,2)Ca2Mg8Mn2 cuboctahedra. In the third Mg site, Mg(2) is bonded to two equivalent Ca(1), two equivalent Mg(1), two equivalent Mg(2), two equivalent Mg(3), two equivalent Mg(4), and two equivalent Mn(1) atoms to form distorted MgCa2Mg8Mn2 cuboctahedra that share corners with four equivalent Mg(3)Ca2Mg10 cuboctahedra; corners with four equivalent Mg(4)Mg10Mn2 cuboctahedra; corners with ten Mg(2,2)Ca2Mg8Mn2 cuboctahedra; edges with two equivalent Mg(3)Ca2Mg10 cuboctahedra; edges with two equivalent Mg(2)Ca2Mg8Mn2 cuboctahedra; edges with two equivalent Mg(4)Mg10Mn2 cuboctahedra; edges with four equivalent Ca(1)Mg10Mn2 cuboctahedra; edges with four equivalent Mg(1)Ca2Mg8Mn2 cuboctahedra; edges with four equivalent Mn(1)Ca2Mg10 cuboctahedra; faces with two equivalent Ca(1)Mg10Mn2 cuboctahedra; faces with two equivalent Mg(3)Ca2Mg10 cuboctahedra; faces with two equivalent Mg(4)Mg10Mn2 cuboctahedra; faces with two equivalent Mn(1)Ca2Mg10 cuboctahedra; faces with four Mg(2,2)Ca2Mg8Mn2 cuboctahedra; and faces with eight Mg(1,1)Ca2Mg8Mn2 cuboctahedra. In the fourth Mg site, Mg(2) is bonded to two equivalent Ca(1), two equivalent Mg(1), two equivalent Mg(2), two equivalent Mg(3), two equivalent Mg(4), and two equivalent Mn(1) atoms to form distorted MgCa2Mg8Mn2 cuboctahedra that share corners with four equivalent Mg(3)Ca2Mg10 cuboctahedra; corners with four equivalent Mg(4)Mg10Mn2 cuboctahedra; corners with ten Mg(2,2)Ca2Mg8Mn2 cuboctahedra; edges with two equivalent Mg(3)Ca2Mg10 cuboctahedra; edges with two equivalent Mg(2)Ca2Mg8Mn2 cuboctahedra; edges with two equivalent Mg(4)Mg10Mn2 cuboctahedra; edges with four equivalent Ca(1)Mg10Mn2 cuboctahedra; edges with four equivalent Mg(1)Ca2Mg8Mn2 cuboctahedra; edges with four equivalent Mn(1)Ca2Mg10 cuboctahedra; faces with two equivalent Ca(1)Mg10Mn2 cuboctahedra; faces with two equivalent Mg(3)Ca2Mg10 cuboctahedra; faces with two equivalent Mg(4)Mg10Mn2 cuboctahedra; faces with two equivalent Mn(1)Ca2Mg10 cuboctahedra; faces with four Mg(2,2)Ca2Mg8Mn2 cuboctahedra; and faces with eight Mg(1,1)Ca2Mg8Mn2 cuboctahedra. In the fifth Mg site, Mg(3) is bonded to two equivalent Ca(1); two equivalent Mg(4); four Mg(1,1); and four Mg(2,2) atoms to form distorted MgCa2Mg10 cuboctahedra that share corners with four equivalent Mg(4)Mg10Mn2 cuboctahedra; corners with six equivalent Mg(3)Ca2Mg10 cuboctahedra; corners with eight Mg(2,2)Ca2Mg8Mn2 cuboctahedra; edges with two equivalent Mg(4)Mg10Mn2 cuboctahedra; edges with four equivalent Ca(1)Mg10Mn2 cuboctahedra; edges with four Mg(2,2)Ca2Mg8Mn2 cuboctahedra; edges with eight Mg(1,1)Ca2Mg8Mn2 cuboctahedra; faces with two equivalent Ca(1)Mg10Mn2 cuboctahedra; faces with two equivalent Mg(3)Ca2Mg10 cuboctahedra; faces with two equivalent Mg(4)Mg10Mn2 cuboctahedra; faces with four Mg(1,1)Ca2Mg8Mn2 cuboctahedra; faces with four Mg(2,2)Ca2Mg8Mn2 cuboctahedra; and faces with six equivalent Mn(1)Ca2Mg10 cuboctahedra. In the sixth Mg site, Mg(4) is bonded to two equivalent Mg(3); four Mg(1,1); four Mg(2,2); and two equivalent Mn(1) atoms to form distorted MgMg10Mn2 cuboctahedra that share corners with four equivalent Mg(3)Ca2Mg10 cuboctahedra; corners with six equivalent Mg(4)Mg10Mn2 cuboctahedra; corners with eight Mg(2,2)Ca2Mg8Mn2 cuboctahedra; edges with two equivalent Mg(3)Ca2Mg10 cuboctahedra; edges with four Mg(2,2)Ca2Mg8Mn2 cuboctahedra; edges with four equivalent Mn(1)Ca2Mg10 cuboctahedra; edges with eight Mg(1,1)Ca2Mg8Mn2 cuboctahedra; faces with two equivalent Mg(3)Ca2Mg10 cuboctahedra; faces with two equivalent Mg(4)Mg10Mn2 cuboctahedra; faces with two equivalent Mn(1)Ca2Mg10 cuboctahedra; faces with four Mg(1,1)Ca2Mg8Mn2 cuboctahedra; faces with four Mg(2,2)Ca2Mg8Mn2 cuboctahedra; and faces with six equivalent Ca(1)Mg10Mn2 cuboctahedra. Mn(1) is bonded to two equivalent Ca(1); two equivalent Mg(4); four Mg(1,1); and four Mg(2,2) atoms to form MnCa2Mg10 cuboctahedra that share corners with four equivalent Ca(1)Mg10Mn2 cuboctahedra; corners with six equivalent Mn(1)Ca2Mg10 cuboctahedra; corners with eight Mg(1,1)Ca2Mg8Mn2 cuboctahedra; edges with two equivalent Ca(1)Mg10Mn2 cuboctahedra; edges with four Mg(1,1)Ca2Mg8Mn2 cuboctahedra; edges with four equivalent Mg(4)Mg10Mn2 cuboctahedra; edges with eight Mg(2,2)Ca2Mg8Mn2 cuboctahedra; faces with two equivalent Ca(1)Mg10Mn2 cuboctahedra; faces with two equivalent Mg(4)Mg10Mn2 cuboctahedra; faces with two equivalent Mn(1)Ca2Mg10 cuboctahedra; faces with four Mg(1,1)Ca2Mg8Mn2 cuboctahedra; faces with four Mg(2,2)Ca2Mg8Mn2 cuboctahedra; and faces with six equivalent Mg(3)Ca2Mg10 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_CaMg6Mn
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.163
_cell_length_b   6.480
_cell_length_c   6.480
_cell_angle_alpha   119.598
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   188.473
_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  0.000  0.166  0.834  1.0
  Mg  Mg1  1  0.000  0.171  0.335  1.0
  Mg  Mg2  1  0.000  0.665  0.829  1.0
  Mg  Mg3  1  0.500  0.348  0.179  1.0
  Mg  Mg4  1  0.500  0.821  0.652  1.0
  Mg  Mg5  1  0.500  0.337  0.663  1.0
  Mg  Mg6  1  0.500  0.829  0.171  1.0
  Mn  Mn7  1  0.000  0.664  0.336  1.0
[/CIF]
.