The crystal structure described by Mg14NiSnO16 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 Ni(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 O(2,2); 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 Sn(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 Ni(1)O6 octahedra; edges with two equivalent Sn(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 0-4°. 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 Ni(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 Sn(1)O6 octahedra; and edges with four equivalent Mg(7)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-3°. 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 Sn(1)O6 octahedra; and edges with four equivalent Mg(7)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-3°. 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 Ni(1)O6 octahedra,  an edgeedge with one Sn(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 2-6°. Ni(1) is bonded to two equivalent O(1), two equivalent O(4), and two equivalent O(8) atoms to form NiO6 octahedra that share corners with two equivalent Mg(1)O6 octahedra, corners with two equivalent Ni(1)O6 octahedra, corners with two equivalent Sn(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. Sn(1) is bonded to two O(2,2); two equivalent O(5); and two equivalent O(8) atoms to form SnO6 octahedra that share corners with two equivalent Mg(2)O6 octahedra; corners with two equivalent Ni(1)O6 octahedra; corners with two equivalent Sn(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. There are ten 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 Ni(1) atom to form OMg5Ni octahedra that share corners with two equivalent O(2)Mg5Sn octahedra, corners with four equivalent O(1)Mg5Ni octahedra, edges with two equivalent O(4)Mg4Ni2 octahedra, edges with two equivalent O(8)Mg4NiSn 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 Sn(1) atom to form OMg5Sn octahedra that share corners with two equivalent O(1)Mg5Ni octahedra; corners with four O(2,2)Mg5Sn octahedra; edges with two equivalent O(8)Mg4NiSn octahedra; edges with two equivalent O(5)Mg4Sn2 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 0-4°. In the third O site, O(2) is bonded to one Mg(2), two equivalent Mg(6), two equivalent Mg(7), and one Sn(1) atom to form OMg5Sn octahedra that share corners with two equivalent O(1)Mg5Ni octahedra; corners with four O(2,2)Mg5Sn octahedra; edges with two equivalent O(8)Mg4NiSn octahedra; edges with two equivalent O(5)Mg4Sn2 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 0-4°. In the fourth 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(4)Mg4Ni2 octahedra,  an edgeedge with one O(5)Mg4Sn2 octahedra,  an edgeedge with one O(6)Mg6 octahedra,  an edgeedge with one O(7)Mg6 octahedra, edges with two equivalent O(8)Mg4NiSn octahedra, edges with two equivalent O(1)Mg5Ni octahedra, edges with two equivalent O(2)Mg5Sn octahedra, and edges with two equivalent O(9)Mg6 octahedra. The corner-sharing octahedral tilt angles range from 0-7°. In the fifth O site, O(4) is bonded to two equivalent Mg(3), two equivalent Mg(5), and two equivalent Ni(1) atoms to form OMg4Ni2 octahedra that share corners with two equivalent O(4)Mg4Ni2 octahedra, corners with two equivalent O(5)Mg4Sn2 octahedra, corners with two equivalent O(6)Mg6 octahedra, edges with four equivalent O(8)Mg4NiSn octahedra, edges with four equivalent O(1)Mg5Ni octahedra, and edges with four equivalent O(3)Mg6 octahedra. The corner-sharing octahedra are not tilted. In the sixth O site, O(5) is bonded to two equivalent Mg(3); two Mg(6,6); and two equivalent Sn(1) atoms to form OMg4Sn2 octahedra that share corners with two equivalent O(4)Mg4Ni2 octahedra; corners with two equivalent O(5)Mg4Sn2 octahedra; corners with two equivalent O(7)Mg6 octahedra; edges with four equivalent O(8)Mg4NiSn octahedra; edges with four O(2,2)Mg5Sn octahedra; and edges with four equivalent O(3)Mg6 octahedra. The corner-sharing octahedra are not tilted. In the seventh 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)Mg4Ni2 octahedra, corners with two equivalent O(6)Mg6 octahedra, corners with two equivalent O(7)Mg6 octahedra, edges with four equivalent O(1)Mg5Ni 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(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)Mg4Sn2 octahedra; corners with two equivalent O(6)Mg6 octahedra; corners with two equivalent O(7)Mg6 octahedra; edges with four O(2,2)Mg5Sn 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 ninth O site, O(8) is bonded to two equivalent Mg(3), two equivalent Mg(7), one Ni(1), and one Sn(1) atom to form OMg4NiSn octahedra that share corners with two equivalent O(9)Mg6 octahedra; corners with four equivalent O(8)Mg4NiSn octahedra; edges with two equivalent O(4)Mg4Ni2 octahedra; edges with two equivalent O(5)Mg4Sn2 octahedra; edges with two equivalent O(1)Mg5Ni octahedra; edges with two O(2,2)Mg5Sn octahedra; and edges with four equivalent O(3)Mg6 octahedra. The corner-sharing octahedral tilt angles range from 0-1°. In the tenth 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)Mg4NiSn octahedra; corners with four equivalent O(9)Mg6 octahedra; edges with two equivalent O(1)Mg5Ni octahedra; edges with two O(2,2)Mg5Sn 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 octahedra are not tilted. is represented by the CIF card [CIF]
data_Mg14NiSnO16
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.664
_cell_length_b   8.665
_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   326.114
_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  0.236  0.500  1.0
  Mg  Mg3  1  0.000  0.764  0.500  1.0
  Mg  Mg4  1  0.500  0.247  0.500  1.0
  Mg  Mg5  1  0.500  0.753  0.500  1.0
  Mg  Mg6  1  0.249  0.000  0.500  1.0
  Mg  Mg7  1  0.260  0.500  0.500  1.0
  Mg  Mg8  1  0.751  0.000  0.500  1.0
  Mg  Mg9  1  0.740  0.500  0.500  1.0
  Mg  Mg10  1  0.254  0.243  0.000  1.0
  Mg  Mg11  1  0.254  0.757  0.000  1.0
  Mg  Mg12  1  0.746  0.243  0.000  1.0
  Mg  Mg13  1  0.746  0.757  0.000  1.0
  Ni  Ni14  1  0.000  0.000  0.000  1.0
  Sn  Sn15  1  0.000  0.500  0.000  1.0
  O  O16  1  0.259  0.000  0.000  1.0
  O  O17  1  0.268  0.500  0.000  1.0
  O  O18  1  0.741  0.000  0.000  1.0
  O  O19  1  0.732  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  0.237  0.000  1.0
  O  O29  1  0.000  0.763  0.000  1.0
  O  O30  1  0.500  0.248  0.000  1.0
  O  O31  1  0.500  0.752  0.000  1.0
[/CIF]
.
The crystal structure described by Mg14NiSnO16 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 Ni(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 O(2,2); 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 Sn(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 Ni(1)O6 octahedra; edges with two equivalent Sn(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 0-4°. 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 Ni(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 Sn(1)O6 octahedra; and edges with four equivalent Mg(7)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-3°. 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 Sn(1)O6 octahedra; and edges with four equivalent Mg(7)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-3°. 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 Ni(1)O6 octahedra,  an edgeedge with one Sn(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 2-6°. Ni(1) is bonded to two equivalent O(1), two equivalent O(4), and two equivalent O(8) atoms to form NiO6 octahedra that share corners with two equivalent Mg(1)O6 octahedra, corners with two equivalent Ni(1)O6 octahedra, corners with two equivalent Sn(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. Sn(1) is bonded to two O(2,2); two equivalent O(5); and two equivalent O(8) atoms to form SnO6 octahedra that share corners with two equivalent Mg(2)O6 octahedra; corners with two equivalent Ni(1)O6 octahedra; corners with two equivalent Sn(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. There are ten 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 Ni(1) atom to form OMg5Ni octahedra that share corners with two equivalent O(2)Mg5Sn octahedra, corners with four equivalent O(1)Mg5Ni octahedra, edges with two equivalent O(4)Mg4Ni2 octahedra, edges with two equivalent O(8)Mg4NiSn 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 Sn(1) atom to form OMg5Sn octahedra that share corners with two equivalent O(1)Mg5Ni octahedra; corners with four O(2,2)Mg5Sn octahedra; edges with two equivalent O(8)Mg4NiSn octahedra; edges with two equivalent O(5)Mg4Sn2 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 0-4°. In the third O site, O(2) is bonded to one Mg(2), two equivalent Mg(6), two equivalent Mg(7), and one Sn(1) atom to form OMg5Sn octahedra that share corners with two equivalent O(1)Mg5Ni octahedra; corners with four O(2,2)Mg5Sn octahedra; edges with two equivalent O(8)Mg4NiSn octahedra; edges with two equivalent O(5)Mg4Sn2 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 0-4°. In the fourth 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(4)Mg4Ni2 octahedra,  an edgeedge with one O(5)Mg4Sn2 octahedra,  an edgeedge with one O(6)Mg6 octahedra,  an edgeedge with one O(7)Mg6 octahedra, edges with two equivalent O(8)Mg4NiSn octahedra, edges with two equivalent O(1)Mg5Ni octahedra, edges with two equivalent O(2)Mg5Sn octahedra, and edges with two equivalent O(9)Mg6 octahedra. The corner-sharing octahedral tilt angles range from 0-7°. In the fifth O site, O(4) is bonded to two equivalent Mg(3), two equivalent Mg(5), and two equivalent Ni(1) atoms to form OMg4Ni2 octahedra that share corners with two equivalent O(4)Mg4Ni2 octahedra, corners with two equivalent O(5)Mg4Sn2 octahedra, corners with two equivalent O(6)Mg6 octahedra, edges with four equivalent O(8)Mg4NiSn octahedra, edges with four equivalent O(1)Mg5Ni octahedra, and edges with four equivalent O(3)Mg6 octahedra. The corner-sharing octahedra are not tilted. In the sixth O site, O(5) is bonded to two equivalent Mg(3); two Mg(6,6); and two equivalent Sn(1) atoms to form OMg4Sn2 octahedra that share corners with two equivalent O(4)Mg4Ni2 octahedra; corners with two equivalent O(5)Mg4Sn2 octahedra; corners with two equivalent O(7)Mg6 octahedra; edges with four equivalent O(8)Mg4NiSn octahedra; edges with four O(2,2)Mg5Sn octahedra; and edges with four equivalent O(3)Mg6 octahedra. The corner-sharing octahedra are not tilted. In the seventh 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)Mg4Ni2 octahedra, corners with two equivalent O(6)Mg6 octahedra, corners with two equivalent O(7)Mg6 octahedra, edges with four equivalent O(1)Mg5Ni 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(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)Mg4Sn2 octahedra; corners with two equivalent O(6)Mg6 octahedra; corners with two equivalent O(7)Mg6 octahedra; edges with four O(2,2)Mg5Sn 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 ninth O site, O(8) is bonded to two equivalent Mg(3), two equivalent Mg(7), one Ni(1), and one Sn(1) atom to form OMg4NiSn octahedra that share corners with two equivalent O(9)Mg6 octahedra; corners with four equivalent O(8)Mg4NiSn octahedra; edges with two equivalent O(4)Mg4Ni2 octahedra; edges with two equivalent O(5)Mg4Sn2 octahedra; edges with two equivalent O(1)Mg5Ni octahedra; edges with two O(2,2)Mg5Sn octahedra; and edges with four equivalent O(3)Mg6 octahedra. The corner-sharing octahedral tilt angles range from 0-1°. In the tenth 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)Mg4NiSn octahedra; corners with four equivalent O(9)Mg6 octahedra; edges with two equivalent O(1)Mg5Ni octahedra; edges with two O(2,2)Mg5Sn 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 octahedra are not tilted. is represented by the CIF card [CIF]
data_Mg14NiSnO16
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.664
_cell_length_b   8.665
_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   326.114
_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  0.236  0.500  1.0
  Mg  Mg3  1  0.000  0.764  0.500  1.0
  Mg  Mg4  1  0.500  0.247  0.500  1.0
  Mg  Mg5  1  0.500  0.753  0.500  1.0
  Mg  Mg6  1  0.249  0.000  0.500  1.0
  Mg  Mg7  1  0.260  0.500  0.500  1.0
  Mg  Mg8  1  0.751  0.000  0.500  1.0
  Mg  Mg9  1  0.740  0.500  0.500  1.0
  Mg  Mg10  1  0.254  0.243  0.000  1.0
  Mg  Mg11  1  0.254  0.757  0.000  1.0
  Mg  Mg12  1  0.746  0.243  0.000  1.0
  Mg  Mg13  1  0.746  0.757  0.000  1.0
  Ni  Ni14  1  0.000  0.000  0.000  1.0
  Sn  Sn15  1  0.000  0.500  0.000  1.0
  O  O16  1  0.259  0.000  0.000  1.0
  O  O17  1  0.268  0.500  0.000  1.0
  O  O18  1  0.741  0.000  0.000  1.0
  O  O19  1  0.732  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  0.237  0.000  1.0
  O  O29  1  0.000  0.763  0.000  1.0
  O  O30  1  0.500  0.248  0.000  1.0
  O  O31  1  0.500  0.752  0.000  1.0
[/CIF]
.