The crystal structure described by Mg14SnO16C crystallizes in the orthorhombic Pmmm space group. The structure consists of one 02329_fluka atom inside a Mg14SnO16 framework. In the Mg14SnO16 framework, 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 Sn(1)O6 octahedra; edges with four equivalent Mg(4)O6 octahedra; edges with four Mg(5,5)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 a mixture of corner and edge-sharing MgO6 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 Mg(5,5)O6 octahedra; edges with two equivalent Mg(6)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 0-14°. 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 corner and edge-sharing MgO6 octahedra. The corner-sharing octahedral tilt angles range from 0-5°. 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 Mg(5,5)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 Sn(1)O6 octahedra; and edges with four equivalent Mg(7)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-2°. 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 a mixture of corner and edge-sharing MgO6 octahedra. The corner-sharing octahedral tilt angles range from 0-7°. In the seventh 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 Mg(5,5)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 Sn(1)O6 octahedra; and edges with four equivalent Mg(7)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-2°. 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 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 5-10°. Sn(1) is bonded to two equivalent O(1), two equivalent O(4), and two equivalent O(8) atoms to form SnO6 octahedra that share corners with two equivalent Mg(1)O6 octahedra; corners with two equivalent Sn(1)O6 octahedra; edges with four equivalent Mg(3)O6 octahedra; edges with four Mg(5,5)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 Sn(1) atom to form OMg5Sn octahedra that share corners with four equivalent O(1)Mg5Sn octahedra, corners with two equivalent O(2)Mg5 square pyramids, edges with two equivalent O(4)Mg4Sn2 octahedra, edges with two equivalent O(6)Mg6 octahedra, edges with two equivalent O(9)Mg6 octahedra, edges with four equivalent O(3)Mg6 octahedra, and edges with two equivalent O(8)Mg4Sn square pyramids. The corner-sharing octahedral tilt angles range from 0-1°. In the second O site, O(2) is bonded to one Mg(2), two equivalent Mg(6), and two equivalent Mg(7) atoms to form OMg5 square pyramids that share corners with two equivalent O(1)Mg5Sn octahedra, corners with two equivalent O(8)Mg4Sn square pyramids, corners with three equivalent O(2)Mg5 square pyramids, 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 are 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(4)Mg4Sn2 octahedra,  an edgeedge with one O(6)Mg6 octahedra,  an edgeedge with one O(7)Mg6 octahedra, edges with two equivalent O(1)Mg5Sn octahedra, edges with two equivalent O(9)Mg6 octahedra, edges with two equivalent O(8)Mg4Sn square pyramids, and edges with two equivalent O(2)Mg5 square pyramids. The corner-sharing octahedral tilt angles range from 1-9°. In the fourth O site, O(4) is bonded to two equivalent Mg(3); two Mg(5,5); and two equivalent Sn(1) atoms to form OMg4Sn2 octahedra that share corners with two equivalent O(4)Mg4Sn2 octahedra, corners with two equivalent O(6)Mg6 octahedra, edges with four equivalent O(1)Mg5Sn octahedra, edges with four equivalent O(3)Mg6 octahedra, and edges with four equivalent O(8)Mg4Sn square pyramids. The corner-sharing octahedra are not tilted. In the fifth O site, O(5) is bonded in a distorted square co-planar geometry to two equivalent Mg(3) and two equivalent Mg(6) atoms. In the sixth O site, O(6) is bonded to two equivalent Mg(1); two equivalent Mg(4); and two Mg(5,5) atoms to form OMg6 octahedra that share corners with two equivalent O(4)Mg4Sn2 octahedra, corners with two equivalent O(6)Mg6 octahedra, corners with two equivalent O(7)Mg6 octahedra, edges with four equivalent O(1)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 seventh O site, O(7) is bonded to two equivalent Mg(2), two equivalent Mg(4), and two equivalent Mg(6) atoms to form OMg6 octahedra that share corners with two equivalent O(6)Mg6 octahedra, corners with two equivalent O(7)Mg6 octahedra, edges with four equivalent O(3)Mg6 octahedra, edges with four equivalent O(9)Mg6 octahedra, and edges with four equivalent O(2)Mg5 square pyramids. 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), and one Sn(1) atom to form OMg4Sn square pyramids that share corners with two equivalent O(9)Mg6 octahedra, corners with two equivalent O(2)Mg5 square pyramids, corners with three equivalent O(8)Mg4Sn square pyramids, edges with two equivalent O(4)Mg4Sn2 octahedra, edges with two equivalent O(1)Mg5Sn octahedra, and edges with four equivalent O(3)Mg6 octahedra. The corner-sharing octahedral tilt angles are 7°. 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 four equivalent O(9)Mg6 octahedra, corners with two equivalent O(8)Mg4Sn square pyramids, edges with two equivalent O(1)Mg5Sn octahedra, edges with two equivalent O(6)Mg6 octahedra, edges with two equivalent O(7)Mg6 octahedra, edges with four equivalent O(3)Mg6 octahedra, and edges with two equivalent O(2)Mg5 square pyramids. The corner-sharing octahedral tilt angles range from 0-2°. is represented by the CIF card [CIF]
data_Mg14SnCO16
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.581
_cell_length_b   8.799
_cell_length_c   4.284
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   323.476
_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  0.269  0.500  1.0
  Mg  Mg3  1  0.000  0.731  0.500  1.0
  Mg  Mg4  1  0.500  0.255  0.500  1.0
  Mg  Mg5  1  0.500  0.745  0.500  1.0
  Mg  Mg6  1  0.260  0.000  0.500  1.0
  Mg  Mg7  1  0.246  0.500  0.500  1.0
  Mg  Mg8  1  0.740  0.000  0.500  1.0
  Mg  Mg9  1  0.754  0.500  0.500  1.0
  Mg  Mg10  1  0.251  0.261  0.000  1.0
  Mg  Mg11  1  0.251  0.739  0.000  1.0
  Mg  Mg12  1  0.749  0.261  0.000  1.0
  Mg  Mg13  1  0.749  0.739  0.000  1.0
  Sn  Sn14  1  0.000  0.000  0.000  1.0
  C  C15  1  0.000  0.500  0.000  1.0
  O  O16  1  0.262  0.000  0.000  1.0
  O  O17  1  0.261  0.500  0.000  1.0
  O  O18  1  0.738  0.000  0.000  1.0
  O  O19  1  0.739  0.500  0.000  1.0
  O  O20  1  0.249  0.251  0.500  1.0
  O  O21  1  0.249  0.749  0.500  1.0
  O  O22  1  0.751  0.251  0.500  1.0
  O  O23  1  0.751  0.749  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  0.251  0.000  1.0
  O  O31  1  0.500  0.749  0.000  1.0
[/CIF]
.
The crystal structure described by Mg14SnO16C crystallizes in the orthorhombic Pmmm space group. The structure consists of one 02329_fluka atom inside a Mg14SnO16 framework. In the Mg14SnO16 framework, 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 Sn(1)O6 octahedra; edges with four equivalent Mg(4)O6 octahedra; edges with four Mg(5,5)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 a mixture of corner and edge-sharing MgO6 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 Mg(5,5)O6 octahedra; edges with two equivalent Mg(6)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 0-14°. 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 corner and edge-sharing MgO6 octahedra. The corner-sharing octahedral tilt angles range from 0-5°. 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 Mg(5,5)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 Sn(1)O6 octahedra; and edges with four equivalent Mg(7)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-2°. 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 a mixture of corner and edge-sharing MgO6 octahedra. The corner-sharing octahedral tilt angles range from 0-7°. In the seventh 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 Mg(5,5)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 Sn(1)O6 octahedra; and edges with four equivalent Mg(7)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-2°. 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 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 5-10°. Sn(1) is bonded to two equivalent O(1), two equivalent O(4), and two equivalent O(8) atoms to form SnO6 octahedra that share corners with two equivalent Mg(1)O6 octahedra; corners with two equivalent Sn(1)O6 octahedra; edges with four equivalent Mg(3)O6 octahedra; edges with four Mg(5,5)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 Sn(1) atom to form OMg5Sn octahedra that share corners with four equivalent O(1)Mg5Sn octahedra, corners with two equivalent O(2)Mg5 square pyramids, edges with two equivalent O(4)Mg4Sn2 octahedra, edges with two equivalent O(6)Mg6 octahedra, edges with two equivalent O(9)Mg6 octahedra, edges with four equivalent O(3)Mg6 octahedra, and edges with two equivalent O(8)Mg4Sn square pyramids. The corner-sharing octahedral tilt angles range from 0-1°. In the second O site, O(2) is bonded to one Mg(2), two equivalent Mg(6), and two equivalent Mg(7) atoms to form OMg5 square pyramids that share corners with two equivalent O(1)Mg5Sn octahedra, corners with two equivalent O(8)Mg4Sn square pyramids, corners with three equivalent O(2)Mg5 square pyramids, 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 are 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(4)Mg4Sn2 octahedra,  an edgeedge with one O(6)Mg6 octahedra,  an edgeedge with one O(7)Mg6 octahedra, edges with two equivalent O(1)Mg5Sn octahedra, edges with two equivalent O(9)Mg6 octahedra, edges with two equivalent O(8)Mg4Sn square pyramids, and edges with two equivalent O(2)Mg5 square pyramids. The corner-sharing octahedral tilt angles range from 1-9°. In the fourth O site, O(4) is bonded to two equivalent Mg(3); two Mg(5,5); and two equivalent Sn(1) atoms to form OMg4Sn2 octahedra that share corners with two equivalent O(4)Mg4Sn2 octahedra, corners with two equivalent O(6)Mg6 octahedra, edges with four equivalent O(1)Mg5Sn octahedra, edges with four equivalent O(3)Mg6 octahedra, and edges with four equivalent O(8)Mg4Sn square pyramids. The corner-sharing octahedra are not tilted. In the fifth O site, O(5) is bonded in a distorted square co-planar geometry to two equivalent Mg(3) and two equivalent Mg(6) atoms. In the sixth O site, O(6) is bonded to two equivalent Mg(1); two equivalent Mg(4); and two Mg(5,5) atoms to form OMg6 octahedra that share corners with two equivalent O(4)Mg4Sn2 octahedra, corners with two equivalent O(6)Mg6 octahedra, corners with two equivalent O(7)Mg6 octahedra, edges with four equivalent O(1)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 seventh O site, O(7) is bonded to two equivalent Mg(2), two equivalent Mg(4), and two equivalent Mg(6) atoms to form OMg6 octahedra that share corners with two equivalent O(6)Mg6 octahedra, corners with two equivalent O(7)Mg6 octahedra, edges with four equivalent O(3)Mg6 octahedra, edges with four equivalent O(9)Mg6 octahedra, and edges with four equivalent O(2)Mg5 square pyramids. 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), and one Sn(1) atom to form OMg4Sn square pyramids that share corners with two equivalent O(9)Mg6 octahedra, corners with two equivalent O(2)Mg5 square pyramids, corners with three equivalent O(8)Mg4Sn square pyramids, edges with two equivalent O(4)Mg4Sn2 octahedra, edges with two equivalent O(1)Mg5Sn octahedra, and edges with four equivalent O(3)Mg6 octahedra. The corner-sharing octahedral tilt angles are 7°. 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 four equivalent O(9)Mg6 octahedra, corners with two equivalent O(8)Mg4Sn square pyramids, edges with two equivalent O(1)Mg5Sn octahedra, edges with two equivalent O(6)Mg6 octahedra, edges with two equivalent O(7)Mg6 octahedra, edges with four equivalent O(3)Mg6 octahedra, and edges with two equivalent O(2)Mg5 square pyramids. The corner-sharing octahedral tilt angles range from 0-2°. is represented by the CIF card [CIF]
data_Mg14SnCO16
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.581
_cell_length_b   8.799
_cell_length_c   4.284
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   323.476
_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  0.269  0.500  1.0
  Mg  Mg3  1  0.000  0.731  0.500  1.0
  Mg  Mg4  1  0.500  0.255  0.500  1.0
  Mg  Mg5  1  0.500  0.745  0.500  1.0
  Mg  Mg6  1  0.260  0.000  0.500  1.0
  Mg  Mg7  1  0.246  0.500  0.500  1.0
  Mg  Mg8  1  0.740  0.000  0.500  1.0
  Mg  Mg9  1  0.754  0.500  0.500  1.0
  Mg  Mg10  1  0.251  0.261  0.000  1.0
  Mg  Mg11  1  0.251  0.739  0.000  1.0
  Mg  Mg12  1  0.749  0.261  0.000  1.0
  Mg  Mg13  1  0.749  0.739  0.000  1.0
  Sn  Sn14  1  0.000  0.000  0.000  1.0
  C  C15  1  0.000  0.500  0.000  1.0
  O  O16  1  0.262  0.000  0.000  1.0
  O  O17  1  0.261  0.500  0.000  1.0
  O  O18  1  0.738  0.000  0.000  1.0
  O  O19  1  0.739  0.500  0.000  1.0
  O  O20  1  0.249  0.251  0.500  1.0
  O  O21  1  0.249  0.749  0.500  1.0
  O  O22  1  0.751  0.251  0.500  1.0
  O  O23  1  0.751  0.749  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  0.251  0.000  1.0
  O  O31  1  0.500  0.749  0.000  1.0
[/CIF]
.