The compound described by Mg14CdSiO16 is alpha Po-derived structured and crystallizes in the orthorhombic Pmmm space group. There are eight inequivalent Mg sites. In the first Mg site, Mg(1) is bonded to two equivalent O(1), two equivalent O(6), and two equivalent O(9) atoms to form MgO6 octahedra that share corners with two equivalent Mg(1)O6 octahedra, corners with two equivalent Mg(2)O6 octahedra, corners with two equivalent Si(1)O6 octahedra, edges with four equivalent Mg(4)O6 octahedra, edges with four equivalent Mg(5)O6 octahedra, and edges with four equivalent Mg(7)O6 octahedra. The corner-sharing octahedra are not tilted. In the second Mg site, Mg(2) is bonded to two equivalent O(2), two equivalent O(7), and two equivalent O(9) atoms to form MgO6 octahedra that share corners with two equivalent Mg(1)O6 octahedra; corners with two equivalent Mg(2)O6 octahedra; corners with two equivalent Cd(1)O6 octahedra; edges with four equivalent Mg(4)O6 octahedra; edges with four Mg(6,6)O6 octahedra; and edges with four equivalent Mg(7)O6 octahedra. The corner-sharing octahedra are not tilted. In the third Mg site, Mg(3) is bonded to one O(4), one O(5), two equivalent O(3), and two equivalent O(8) atoms to form MgO6 octahedra that share corners with two equivalent Mg(4)O6 octahedra; corners with four equivalent Mg(3)O6 octahedra; edges with two equivalent Mg(5)O6 octahedra; edges with two Mg(6,6)O6 octahedra; edges with two equivalent Cd(1)O6 octahedra; edges with two equivalent Si(1)O6 octahedra; and edges with four equivalent Mg(7)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-4°. In the fourth Mg site, Mg(4) is bonded to one O(6), one O(7), two equivalent O(3), and two equivalent O(9) atoms to form a mixture of edge and corner-sharing MgO6 octahedra. The corner-sharing octahedral tilt angles range from 0-1°. In the fifth Mg site, Mg(5) is bonded to one O(4), one O(6), two equivalent O(1), and two equivalent O(3) atoms to form MgO6 octahedra that share corners with two equivalent Mg(6)O6 octahedra, corners with four equivalent Mg(5)O6 octahedra, edges with two equivalent Mg(1)O6 octahedra, edges with two equivalent Mg(3)O6 octahedra, edges with two equivalent Mg(4)O6 octahedra, edges with two equivalent Si(1)O6 octahedra, and edges with four equivalent Mg(7)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-5°. In the sixth Mg site, Mg(6) is bonded to one O(5), one O(7), two equivalent O(2), and two equivalent O(3) atoms to form MgO6 octahedra that share corners with two equivalent Mg(5)O6 octahedra; corners with four Mg(6,6)O6 octahedra; edges with two equivalent Mg(2)O6 octahedra; edges with two equivalent Mg(3)O6 octahedra; edges with two equivalent Mg(4)O6 octahedra; edges with two equivalent Cd(1)O6 octahedra; and edges with four equivalent Mg(7)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-5°. In the seventh Mg site, Mg(6) is bonded to one O(5), one O(7), two equivalent O(2), and two equivalent O(3) atoms to form MgO6 octahedra that share corners with two equivalent Mg(5)O6 octahedra; corners with four Mg(6,6)O6 octahedra; edges with two equivalent Mg(2)O6 octahedra; edges with two equivalent Mg(3)O6 octahedra; edges with two equivalent Mg(4)O6 octahedra; edges with two equivalent Cd(1)O6 octahedra; and edges with four equivalent Mg(7)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-5°. In the eighth Mg site, Mg(7) is bonded to one O(1), one O(2), one O(8), one O(9), and two equivalent O(3) atoms to form MgO6 octahedra that share corners with six equivalent Mg(7)O6 octahedra,  an edgeedge with one Mg(1)O6 octahedra,  an edgeedge with one Mg(2)O6 octahedra,  an edgeedge with one Cd(1)O6 octahedra,  an edgeedge with one Si(1)O6 octahedra, edges with two equivalent Mg(3)O6 octahedra, edges with two equivalent Mg(4)O6 octahedra, edges with two equivalent Mg(5)O6 octahedra, and edges with two equivalent Mg(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-5°. Cd(1) is bonded to two equivalent O(2), two equivalent O(5), and two equivalent O(8) atoms to form CdO6 octahedra that share corners with two equivalent Mg(2)O6 octahedra; corners with two equivalent Cd(1)O6 octahedra; corners with two equivalent Si(1)O6 octahedra; edges with four equivalent Mg(3)O6 octahedra; edges with four Mg(6,6)O6 octahedra; and edges with four equivalent Mg(7)O6 octahedra. The corner-sharing octahedra are not tilted. Si(1) is bonded to two equivalent O(1), two equivalent O(4), and two equivalent O(8) atoms to form SiO6 octahedra that share corners with two equivalent Mg(1)O6 octahedra, corners with two equivalent Cd(1)O6 octahedra, corners with two equivalent Si(1)O6 octahedra, edges with four equivalent Mg(3)O6 octahedra, edges with four equivalent Mg(5)O6 octahedra, and edges with four equivalent Mg(7)O6 octahedra. The corner-sharing octahedra are not tilted. There are nine inequivalent O sites. In the first O site, O(1) is bonded to one Mg(1), two equivalent Mg(5), two equivalent Mg(7), and one Si(1) atom to form OMg5Si octahedra that share corners with two equivalent O(2)Mg5Cd octahedra, corners with four equivalent O(1)Mg5Si octahedra, edges with two equivalent O(8)Mg4CdSi octahedra, edges with two equivalent O(4)Mg4Si2 octahedra, edges with two equivalent O(6)Mg6 octahedra, edges with two equivalent O(9)Mg6 octahedra, and edges with four equivalent O(3)Mg6 octahedra. The corner-sharing octahedral tilt angles range from 0-5°. In the second O site, O(2) is bonded to one Mg(2), two equivalent Mg(6), two equivalent Mg(7), and one Cd(1) atom to form OMg5Cd octahedra that share corners with two equivalent O(1)Mg5Si octahedra, corners with four equivalent O(2)Mg5Cd octahedra, edges with two equivalent O(5)Mg4Cd2 octahedra, edges with two equivalent O(8)Mg4CdSi octahedra, edges with two equivalent O(7)Mg6 octahedra, edges with two equivalent O(9)Mg6 octahedra, and edges with four equivalent O(3)Mg6 octahedra. The corner-sharing octahedral tilt angles range from 0-5°. In the third O site, O(3) is bonded to one Mg(3), one Mg(4), one Mg(5), one Mg(6), and two equivalent Mg(7) atoms to form OMg6 octahedra that share corners with six equivalent O(3)Mg6 octahedra,  an edgeedge with one O(5)Mg4Cd2 octahedra,  an edgeedge with one O(4)Mg4Si2 octahedra,  an edgeedge with one O(6)Mg6 octahedra,  an edgeedge with one O(7)Mg6 octahedra, edges with two equivalent O(8)Mg4CdSi octahedra, edges with two equivalent O(2)Mg5Cd octahedra, edges with two equivalent O(1)Mg5Si octahedra, and edges with two equivalent O(9)Mg6 octahedra. The corner-sharing octahedral tilt angles range from 0-3°. In the fourth O site, O(4) is bonded to two equivalent Mg(3), two equivalent Mg(5), and two equivalent Si(1) atoms to form OMg4Si2 octahedra that share corners with two equivalent O(5)Mg4Cd2 octahedra, corners with two equivalent O(4)Mg4Si2 octahedra, corners with two equivalent O(6)Mg6 octahedra, edges with four equivalent O(8)Mg4CdSi octahedra, edges with four equivalent O(1)Mg5Si octahedra, and edges with four equivalent O(3)Mg6 octahedra. The corner-sharing octahedra are not tilted. In the fifth O site, O(5) is bonded to two equivalent Mg(3); two Mg(6,6); and two equivalent Cd(1) atoms to form OMg4Cd2 octahedra that share corners with two equivalent O(5)Mg4Cd2 octahedra, corners with two equivalent O(4)Mg4Si2 octahedra, corners with two equivalent O(7)Mg6 octahedra, edges with four equivalent O(8)Mg4CdSi octahedra, edges with four equivalent O(2)Mg5Cd octahedra, and edges with four equivalent O(3)Mg6 octahedra. The corner-sharing octahedra are not tilted. In the sixth O site, O(6) is bonded to two equivalent Mg(1), two equivalent Mg(4), and two equivalent Mg(5) atoms to form OMg6 octahedra that share corners with two equivalent O(4)Mg4Si2 octahedra, corners with two equivalent O(6)Mg6 octahedra, corners with two equivalent O(7)Mg6 octahedra, edges with four equivalent O(1)Mg5Si octahedra, edges with four equivalent O(3)Mg6 octahedra, and edges with four equivalent O(9)Mg6 octahedra. The corner-sharing octahedra are not tilted. In the seventh O site, O(7) is bonded to two equivalent Mg(2); two equivalent Mg(4); and two Mg(6,6) atoms to form OMg6 octahedra that share corners with two equivalent O(5)Mg4Cd2 octahedra, corners with two equivalent O(6)Mg6 octahedra, corners with two equivalent O(7)Mg6 octahedra, edges with four equivalent O(2)Mg5Cd octahedra, edges with four equivalent O(3)Mg6 octahedra, and edges with four equivalent O(9)Mg6 octahedra. The corner-sharing octahedra are not tilted. In the eighth O site, O(8) is bonded to two equivalent Mg(3), two equivalent Mg(7), one Cd(1), and one Si(1) atom to form OMg4CdSi octahedra that share corners with two equivalent O(9)Mg6 octahedra, corners with four equivalent O(8)Mg4CdSi octahedra, edges with two equivalent O(5)Mg4Cd2 octahedra, edges with two equivalent O(4)Mg4Si2 octahedra, edges with two equivalent O(2)Mg5Cd octahedra, edges with two equivalent O(1)Mg5Si octahedra, and edges with four equivalent O(3)Mg6 octahedra. The corner-sharing octahedral tilt angles range from 0-4°. In the ninth O site, O(9) is bonded to one Mg(1), one Mg(2), two equivalent Mg(4), and two equivalent Mg(7) atoms to form OMg6 octahedra that share corners with two equivalent O(8)Mg4CdSi octahedra, corners with four equivalent O(9)Mg6 octahedra, edges with two equivalent O(2)Mg5Cd octahedra, edges with two equivalent O(1)Mg5Si octahedra, edges with two equivalent O(6)Mg6 octahedra, edges with two equivalent O(7)Mg6 octahedra, and edges with four equivalent O(3)Mg6 octahedra. The corner-sharing octahedral tilt angles range from 0-2°. is represented by the CIF card [CIF]
data_Mg14CdSiO16
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.691
_cell_length_b   8.611
_cell_length_c   4.344
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   325.117
_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
  Mg  Mg0  1  0.500  0.000  0.000  1.0
  Mg  Mg1  1  0.500  0.500  0.000  1.0
  Mg  Mg2  1  0.000  0.247  0.500  1.0
  Mg  Mg3  1  0.000  0.753  0.500  1.0
  Mg  Mg4  1  0.500  0.250  0.500  1.0
  Mg  Mg5  1  0.500  0.750  0.500  1.0
  Mg  Mg6  1  0.253  0.000  0.500  1.0
  Mg  Mg7  1  0.255  0.500  0.500  1.0
  Mg  Mg8  1  0.747  0.000  0.500  1.0
  Mg  Mg9  1  0.745  0.500  0.500  1.0
  Mg  Mg10  1  0.255  0.249  0.000  1.0
  Mg  Mg11  1  0.255  0.751  0.000  1.0
  Mg  Mg12  1  0.745  0.249  0.000  1.0
  Mg  Mg13  1  0.745  0.751  0.000  1.0
  Cd  Cd14  1  0.000  0.500  0.000  1.0
  Si  Si15  1  0.000  0.000  0.000  1.0
  O  O16  1  0.264  0.000  0.000  1.0
  O  O17  1  0.266  0.500  0.000  1.0
  O  O18  1  0.736  0.000  0.000  1.0
  O  O19  1  0.734  0.500  0.000  1.0
  O  O20  1  0.249  0.250  0.500  1.0
  O  O21  1  0.249  0.750  0.500  1.0
  O  O22  1  0.751  0.250  0.500  1.0
  O  O23  1  0.751  0.750  0.500  1.0
  O  O24  1  0.000  0.000  0.500  1.0
  O  O25  1  0.000  0.500  0.500  1.0
  O  O26  1  0.500  0.000  0.500  1.0
  O  O27  1  0.500  0.500  0.500  1.0
  O  O28  1  0.000  0.239  0.000  1.0
  O  O29  1  0.000  0.761  0.000  1.0
  O  O30  1  0.500  0.249  0.000  1.0
  O  O31  1  0.500  0.751  0.000  1.0
[/CIF]
.
The compound described by Mg14CdSiO16 is alpha Po-derived structured and crystallizes in the orthorhombic Pmmm space group. There are eight inequivalent Mg sites. In the first Mg site, Mg(1) is bonded to two equivalent O(1), two equivalent O(6), and two equivalent O(9) atoms to form MgO6 octahedra that share corners with two equivalent Mg(1)O6 octahedra, corners with two equivalent Mg(2)O6 octahedra, corners with two equivalent Si(1)O6 octahedra, edges with four equivalent Mg(4)O6 octahedra, edges with four equivalent Mg(5)O6 octahedra, and edges with four equivalent Mg(7)O6 octahedra. The corner-sharing octahedra are not tilted. In the second Mg site, Mg(2) is bonded to two equivalent O(2), two equivalent O(7), and two equivalent O(9) atoms to form MgO6 octahedra that share corners with two equivalent Mg(1)O6 octahedra; corners with two equivalent Mg(2)O6 octahedra; corners with two equivalent Cd(1)O6 octahedra; edges with four equivalent Mg(4)O6 octahedra; edges with four Mg(6,6)O6 octahedra; and edges with four equivalent Mg(7)O6 octahedra. The corner-sharing octahedra are not tilted. In the third Mg site, Mg(3) is bonded to one O(4), one O(5), two equivalent O(3), and two equivalent O(8) atoms to form MgO6 octahedra that share corners with two equivalent Mg(4)O6 octahedra; corners with four equivalent Mg(3)O6 octahedra; edges with two equivalent Mg(5)O6 octahedra; edges with two Mg(6,6)O6 octahedra; edges with two equivalent Cd(1)O6 octahedra; edges with two equivalent Si(1)O6 octahedra; and edges with four equivalent Mg(7)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-4°. In the fourth Mg site, Mg(4) is bonded to one O(6), one O(7), two equivalent O(3), and two equivalent O(9) atoms to form a mixture of edge and corner-sharing MgO6 octahedra. The corner-sharing octahedral tilt angles range from 0-1°. In the fifth Mg site, Mg(5) is bonded to one O(4), one O(6), two equivalent O(1), and two equivalent O(3) atoms to form MgO6 octahedra that share corners with two equivalent Mg(6)O6 octahedra, corners with four equivalent Mg(5)O6 octahedra, edges with two equivalent Mg(1)O6 octahedra, edges with two equivalent Mg(3)O6 octahedra, edges with two equivalent Mg(4)O6 octahedra, edges with two equivalent Si(1)O6 octahedra, and edges with four equivalent Mg(7)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-5°. In the sixth Mg site, Mg(6) is bonded to one O(5), one O(7), two equivalent O(2), and two equivalent O(3) atoms to form MgO6 octahedra that share corners with two equivalent Mg(5)O6 octahedra; corners with four Mg(6,6)O6 octahedra; edges with two equivalent Mg(2)O6 octahedra; edges with two equivalent Mg(3)O6 octahedra; edges with two equivalent Mg(4)O6 octahedra; edges with two equivalent Cd(1)O6 octahedra; and edges with four equivalent Mg(7)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-5°. In the seventh Mg site, Mg(6) is bonded to one O(5), one O(7), two equivalent O(2), and two equivalent O(3) atoms to form MgO6 octahedra that share corners with two equivalent Mg(5)O6 octahedra; corners with four Mg(6,6)O6 octahedra; edges with two equivalent Mg(2)O6 octahedra; edges with two equivalent Mg(3)O6 octahedra; edges with two equivalent Mg(4)O6 octahedra; edges with two equivalent Cd(1)O6 octahedra; and edges with four equivalent Mg(7)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-5°. In the eighth Mg site, Mg(7) is bonded to one O(1), one O(2), one O(8), one O(9), and two equivalent O(3) atoms to form MgO6 octahedra that share corners with six equivalent Mg(7)O6 octahedra,  an edgeedge with one Mg(1)O6 octahedra,  an edgeedge with one Mg(2)O6 octahedra,  an edgeedge with one Cd(1)O6 octahedra,  an edgeedge with one Si(1)O6 octahedra, edges with two equivalent Mg(3)O6 octahedra, edges with two equivalent Mg(4)O6 octahedra, edges with two equivalent Mg(5)O6 octahedra, and edges with two equivalent Mg(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-5°. Cd(1) is bonded to two equivalent O(2), two equivalent O(5), and two equivalent O(8) atoms to form CdO6 octahedra that share corners with two equivalent Mg(2)O6 octahedra; corners with two equivalent Cd(1)O6 octahedra; corners with two equivalent Si(1)O6 octahedra; edges with four equivalent Mg(3)O6 octahedra; edges with four Mg(6,6)O6 octahedra; and edges with four equivalent Mg(7)O6 octahedra. The corner-sharing octahedra are not tilted. Si(1) is bonded to two equivalent O(1), two equivalent O(4), and two equivalent O(8) atoms to form SiO6 octahedra that share corners with two equivalent Mg(1)O6 octahedra, corners with two equivalent Cd(1)O6 octahedra, corners with two equivalent Si(1)O6 octahedra, edges with four equivalent Mg(3)O6 octahedra, edges with four equivalent Mg(5)O6 octahedra, and edges with four equivalent Mg(7)O6 octahedra. The corner-sharing octahedra are not tilted. There are nine inequivalent O sites. In the first O site, O(1) is bonded to one Mg(1), two equivalent Mg(5), two equivalent Mg(7), and one Si(1) atom to form OMg5Si octahedra that share corners with two equivalent O(2)Mg5Cd octahedra, corners with four equivalent O(1)Mg5Si octahedra, edges with two equivalent O(8)Mg4CdSi octahedra, edges with two equivalent O(4)Mg4Si2 octahedra, edges with two equivalent O(6)Mg6 octahedra, edges with two equivalent O(9)Mg6 octahedra, and edges with four equivalent O(3)Mg6 octahedra. The corner-sharing octahedral tilt angles range from 0-5°. In the second O site, O(2) is bonded to one Mg(2), two equivalent Mg(6), two equivalent Mg(7), and one Cd(1) atom to form OMg5Cd octahedra that share corners with two equivalent O(1)Mg5Si octahedra, corners with four equivalent O(2)Mg5Cd octahedra, edges with two equivalent O(5)Mg4Cd2 octahedra, edges with two equivalent O(8)Mg4CdSi octahedra, edges with two equivalent O(7)Mg6 octahedra, edges with two equivalent O(9)Mg6 octahedra, and edges with four equivalent O(3)Mg6 octahedra. The corner-sharing octahedral tilt angles range from 0-5°. In the third O site, O(3) is bonded to one Mg(3), one Mg(4), one Mg(5), one Mg(6), and two equivalent Mg(7) atoms to form OMg6 octahedra that share corners with six equivalent O(3)Mg6 octahedra,  an edgeedge with one O(5)Mg4Cd2 octahedra,  an edgeedge with one O(4)Mg4Si2 octahedra,  an edgeedge with one O(6)Mg6 octahedra,  an edgeedge with one O(7)Mg6 octahedra, edges with two equivalent O(8)Mg4CdSi octahedra, edges with two equivalent O(2)Mg5Cd octahedra, edges with two equivalent O(1)Mg5Si octahedra, and edges with two equivalent O(9)Mg6 octahedra. The corner-sharing octahedral tilt angles range from 0-3°. In the fourth O site, O(4) is bonded to two equivalent Mg(3), two equivalent Mg(5), and two equivalent Si(1) atoms to form OMg4Si2 octahedra that share corners with two equivalent O(5)Mg4Cd2 octahedra, corners with two equivalent O(4)Mg4Si2 octahedra, corners with two equivalent O(6)Mg6 octahedra, edges with four equivalent O(8)Mg4CdSi octahedra, edges with four equivalent O(1)Mg5Si octahedra, and edges with four equivalent O(3)Mg6 octahedra. The corner-sharing octahedra are not tilted. In the fifth O site, O(5) is bonded to two equivalent Mg(3); two Mg(6,6); and two equivalent Cd(1) atoms to form OMg4Cd2 octahedra that share corners with two equivalent O(5)Mg4Cd2 octahedra, corners with two equivalent O(4)Mg4Si2 octahedra, corners with two equivalent O(7)Mg6 octahedra, edges with four equivalent O(8)Mg4CdSi octahedra, edges with four equivalent O(2)Mg5Cd octahedra, and edges with four equivalent O(3)Mg6 octahedra. The corner-sharing octahedra are not tilted. In the sixth O site, O(6) is bonded to two equivalent Mg(1), two equivalent Mg(4), and two equivalent Mg(5) atoms to form OMg6 octahedra that share corners with two equivalent O(4)Mg4Si2 octahedra, corners with two equivalent O(6)Mg6 octahedra, corners with two equivalent O(7)Mg6 octahedra, edges with four equivalent O(1)Mg5Si octahedra, edges with four equivalent O(3)Mg6 octahedra, and edges with four equivalent O(9)Mg6 octahedra. The corner-sharing octahedra are not tilted. In the seventh O site, O(7) is bonded to two equivalent Mg(2); two equivalent Mg(4); and two Mg(6,6) atoms to form OMg6 octahedra that share corners with two equivalent O(5)Mg4Cd2 octahedra, corners with two equivalent O(6)Mg6 octahedra, corners with two equivalent O(7)Mg6 octahedra, edges with four equivalent O(2)Mg5Cd octahedra, edges with four equivalent O(3)Mg6 octahedra, and edges with four equivalent O(9)Mg6 octahedra. The corner-sharing octahedra are not tilted. In the eighth O site, O(8) is bonded to two equivalent Mg(3), two equivalent Mg(7), one Cd(1), and one Si(1) atom to form OMg4CdSi octahedra that share corners with two equivalent O(9)Mg6 octahedra, corners with four equivalent O(8)Mg4CdSi octahedra, edges with two equivalent O(5)Mg4Cd2 octahedra, edges with two equivalent O(4)Mg4Si2 octahedra, edges with two equivalent O(2)Mg5Cd octahedra, edges with two equivalent O(1)Mg5Si octahedra, and edges with four equivalent O(3)Mg6 octahedra. The corner-sharing octahedral tilt angles range from 0-4°. In the ninth O site, O(9) is bonded to one Mg(1), one Mg(2), two equivalent Mg(4), and two equivalent Mg(7) atoms to form OMg6 octahedra that share corners with two equivalent O(8)Mg4CdSi octahedra, corners with four equivalent O(9)Mg6 octahedra, edges with two equivalent O(2)Mg5Cd octahedra, edges with two equivalent O(1)Mg5Si octahedra, edges with two equivalent O(6)Mg6 octahedra, edges with two equivalent O(7)Mg6 octahedra, and edges with four equivalent O(3)Mg6 octahedra. The corner-sharing octahedral tilt angles range from 0-2°. is represented by the CIF card [CIF]
data_Mg14CdSiO16
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.691
_cell_length_b   8.611
_cell_length_c   4.344
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   325.117
_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
  Mg  Mg0  1  0.500  0.000  0.000  1.0
  Mg  Mg1  1  0.500  0.500  0.000  1.0
  Mg  Mg2  1  0.000  0.247  0.500  1.0
  Mg  Mg3  1  0.000  0.753  0.500  1.0
  Mg  Mg4  1  0.500  0.250  0.500  1.0
  Mg  Mg5  1  0.500  0.750  0.500  1.0
  Mg  Mg6  1  0.253  0.000  0.500  1.0
  Mg  Mg7  1  0.255  0.500  0.500  1.0
  Mg  Mg8  1  0.747  0.000  0.500  1.0
  Mg  Mg9  1  0.745  0.500  0.500  1.0
  Mg  Mg10  1  0.255  0.249  0.000  1.0
  Mg  Mg11  1  0.255  0.751  0.000  1.0
  Mg  Mg12  1  0.745  0.249  0.000  1.0
  Mg  Mg13  1  0.745  0.751  0.000  1.0
  Cd  Cd14  1  0.000  0.500  0.000  1.0
  Si  Si15  1  0.000  0.000  0.000  1.0
  O  O16  1  0.264  0.000  0.000  1.0
  O  O17  1  0.266  0.500  0.000  1.0
  O  O18  1  0.736  0.000  0.000  1.0
  O  O19  1  0.734  0.500  0.000  1.0
  O  O20  1  0.249  0.250  0.500  1.0
  O  O21  1  0.249  0.750  0.500  1.0
  O  O22  1  0.751  0.250  0.500  1.0
  O  O23  1  0.751  0.750  0.500  1.0
  O  O24  1  0.000  0.000  0.500  1.0
  O  O25  1  0.000  0.500  0.500  1.0
  O  O26  1  0.500  0.000  0.500  1.0
  O  O27  1  0.500  0.500  0.500  1.0
  O  O28  1  0.000  0.239  0.000  1.0
  O  O29  1  0.000  0.761  0.000  1.0
  O  O30  1  0.500  0.249  0.000  1.0
  O  O31  1  0.500  0.751  0.000  1.0
[/CIF]
.