The structure described by ZnSn2O5 crystallizes in the triclinic P1 space group. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a rectangular see-saw-like geometry to one O(2), one O(7), and two equivalent O(10) atoms. In the second Zn site, Zn(2) is bonded in a 4-coordinate geometry to one O(1), one O(8), and two equivalent O(9) atoms. There are four inequivalent Sn sites. In the first Sn site, Sn(1) is bonded in a 5-coordinate geometry to one O(10), one O(2), one O(4), and two equivalent O(3) atoms. In the second Sn site, Sn(2) is bonded in a 5-coordinate geometry to one O(1), one O(3), one O(9), and two equivalent O(4) atoms. In the third Sn site, Sn(3) is bonded to one O(1), one O(5), one O(8), and two equivalent O(6) atoms to form a mixture of distorted corner and edge-sharing SnO5 trigonal bipyramids. In the fourth Sn site, Sn(4) is bonded to one O(2), one O(6), one O(7), and two equivalent O(5) atoms to form a mixture of distorted corner and edge-sharing SnO5 trigonal bipyramids. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one Zn(2), one Sn(2), and one Sn(3) atom. In the second O site, O(2) is bonded in a trigonal planar geometry to one Zn(1), one Sn(1), and one Sn(4) atom. In the third O site, O(3) is bonded in a trigonal non-coplanar geometry to one Sn(2) and two equivalent Sn(1) atoms. In the fourth O site, O(4) is bonded in a trigonal non-coplanar geometry to one Sn(1) and two equivalent Sn(2) atoms. In the fifth O site, O(5) is bonded in a trigonal non-coplanar geometry to one Sn(3) and two equivalent Sn(4) atoms. In the sixth O site, O(6) is bonded in a trigonal non-coplanar geometry to one Sn(4) and two equivalent Sn(3) atoms. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to one Zn(1) and one Sn(4) atom. In the eighth O site, O(8) is bonded in a bent 120 degrees geometry to one Zn(2) and one Sn(3) atom. In the ninth O site, O(9) is bonded in a distorted trigonal non-coplanar geometry to two equivalent Zn(2) and one Sn(2) atom. In the tenth O site, O(10) is bonded in a trigonal non-coplanar geometry to two equivalent Zn(1) and one Sn(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_ZnSn2O5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.557
_cell_length_b   5.179
_cell_length_c   12.955
_cell_angle_alpha   92.879
_cell_angle_beta   94.018
_cell_angle_gamma   95.525
_symmetry_Int_Tables_number   1
_cell_volume   236.574
_cell_formula_units_Z   2
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
  Zn  Zn0  1  0.413  0.029  0.241  1.0
  Zn  Zn1  1  0.618  0.973  0.752  1.0
  Sn  Sn2  1  0.800  0.554  0.111  1.0
  Sn  Sn3  1  0.221  0.447  0.888  1.0
  Sn  Sn4  1  0.263  0.424  0.604  1.0
  Sn  Sn5  1  0.731  0.576  0.395  1.0
  O  O6  1  0.366  0.602  0.752  1.0
  O  O7  1  0.656  0.400  0.246  1.0
  O  O8  1  0.263  0.401  0.058  1.0
  O  O9  1  0.757  0.601  0.942  1.0
  O  O10  1  0.214  0.408  0.433  1.0
  O  O11  1  0.779  0.589  0.567  1.0
  O  O12  1  0.634  0.929  0.370  1.0
  O  O13  1  0.306  0.066  0.636  1.0
  O  O14  1  0.060  0.082  0.845  1.0
  O  O15  1  0.929  0.921  0.159  1.0
[/CIF]
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The structure described by ZnSn2O5 crystallizes in the triclinic P1 space group. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a rectangular see-saw-like geometry to one O(2), one O(7), and two equivalent O(10) atoms. In the second Zn site, Zn(2) is bonded in a 4-coordinate geometry to one O(1), one O(8), and two equivalent O(9) atoms. There are four inequivalent Sn sites. In the first Sn site, Sn(1) is bonded in a 5-coordinate geometry to one O(10), one O(2), one O(4), and two equivalent O(3) atoms. In the second Sn site, Sn(2) is bonded in a 5-coordinate geometry to one O(1), one O(3), one O(9), and two equivalent O(4) atoms. In the third Sn site, Sn(3) is bonded to one O(1), one O(5), one O(8), and two equivalent O(6) atoms to form a mixture of distorted corner and edge-sharing SnO5 trigonal bipyramids. In the fourth Sn site, Sn(4) is bonded to one O(2), one O(6), one O(7), and two equivalent O(5) atoms to form a mixture of distorted corner and edge-sharing SnO5 trigonal bipyramids. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one Zn(2), one Sn(2), and one Sn(3) atom. In the second O site, O(2) is bonded in a trigonal planar geometry to one Zn(1), one Sn(1), and one Sn(4) atom. In the third O site, O(3) is bonded in a trigonal non-coplanar geometry to one Sn(2) and two equivalent Sn(1) atoms. In the fourth O site, O(4) is bonded in a trigonal non-coplanar geometry to one Sn(1) and two equivalent Sn(2) atoms. In the fifth O site, O(5) is bonded in a trigonal non-coplanar geometry to one Sn(3) and two equivalent Sn(4) atoms. In the sixth O site, O(6) is bonded in a trigonal non-coplanar geometry to one Sn(4) and two equivalent Sn(3) atoms. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to one Zn(1) and one Sn(4) atom. In the eighth O site, O(8) is bonded in a bent 120 degrees geometry to one Zn(2) and one Sn(3) atom. In the ninth O site, O(9) is bonded in a distorted trigonal non-coplanar geometry to two equivalent Zn(2) and one Sn(2) atom. In the tenth O site, O(10) is bonded in a trigonal non-coplanar geometry to two equivalent Zn(1) and one Sn(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_ZnSn2O5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.557
_cell_length_b   5.179
_cell_length_c   12.955
_cell_angle_alpha   92.879
_cell_angle_beta   94.018
_cell_angle_gamma   95.525
_symmetry_Int_Tables_number   1
_cell_volume   236.574
_cell_formula_units_Z   2
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
  Zn  Zn0  1  0.413  0.029  0.241  1.0
  Zn  Zn1  1  0.618  0.973  0.752  1.0
  Sn  Sn2  1  0.800  0.554  0.111  1.0
  Sn  Sn3  1  0.221  0.447  0.888  1.0
  Sn  Sn4  1  0.263  0.424  0.604  1.0
  Sn  Sn5  1  0.731  0.576  0.395  1.0
  O  O6  1  0.366  0.602  0.752  1.0
  O  O7  1  0.656  0.400  0.246  1.0
  O  O8  1  0.263  0.401  0.058  1.0
  O  O9  1  0.757  0.601  0.942  1.0
  O  O10  1  0.214  0.408  0.433  1.0
  O  O11  1  0.779  0.589  0.567  1.0
  O  O12  1  0.634  0.929  0.370  1.0
  O  O13  1  0.306  0.066  0.636  1.0
  O  O14  1  0.060  0.082  0.845  1.0
  O  O15  1  0.929  0.921  0.159  1.0
[/CIF]
.