The material described by ZnSn(GeO3)2 crystallizes in the monoclinic P2_1/c space group. Zn(1) is bonded in a 5-coordinate geometry to one Sn(1), one O(2), one O(4), one O(5), and one O(6) atom. Sn(1) is bonded in a 6-coordinate geometry to one Zn(1), one O(3), one O(4), one O(5), and two equivalent O(6) atoms. There are two inequivalent Ge sites. In the first Ge site, Ge(1) is bonded to one O(4), one O(5), and two equivalent O(2) atoms to form corner-sharing GeO4 tetrahedra. In the second Ge site, Ge(2) is bonded in a 5-coordinate geometry to one O(6), two equivalent O(1), and two equivalent O(3) atoms. There are six inequivalent O sites. In the first O site, O(5) is bonded in a 3-coordinate geometry to one Zn(1), one Sn(1), and one Ge(1) atom. In the second O site, O(6) is bonded to one Zn(1), two equivalent Sn(1), and one Ge(2) atom to form distorted corner-sharing OZnSn2Ge tetrahedra. In the third O site, O(1) is bonded in a distorted bent 120 degrees geometry to two equivalent Ge(2) atoms. In the fourth O site, O(2) is bonded in a trigonal planar geometry to one Zn(1) and two equivalent Ge(1) atoms. In the fifth O site, O(3) is bonded in a 3-coordinate geometry to one Sn(1) and two equivalent Ge(2) atoms. In the sixth O site, O(4) is bonded in a distorted trigonal planar geometry to one Zn(1), one Sn(1), and one Ge(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_ZnSn(GeO3)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.489
_cell_length_b   5.469
_cell_length_c   10.848
_cell_angle_alpha   82.113
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   557.601
_cell_formula_units_Z   4
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  0.480  0.192  0.198  1.0
  Zn  Zn1  1  0.980  0.308  0.802  1.0
  Zn  Zn2  1  0.520  0.808  0.802  1.0
  Zn  Zn3  1  0.020  0.692  0.198  1.0
  Sn  Sn4  1  0.385  0.742  0.255  1.0
  Sn  Sn5  1  0.885  0.758  0.745  1.0
  Sn  Sn6  1  0.615  0.258  0.745  1.0
  Sn  Sn7  1  0.115  0.242  0.255  1.0
  Ge  Ge8  1  0.678  0.701  0.070  1.0
  Ge  Ge9  1  0.178  0.799  0.930  1.0
  Ge  Ge10  1  0.322  0.299  0.930  1.0
  Ge  Ge11  1  0.822  0.201  0.070  1.0
  Ge  Ge12  1  0.652  0.649  0.492  1.0
  Ge  Ge13  1  0.152  0.851  0.508  1.0
  Ge  Ge14  1  0.348  0.351  0.508  1.0
  Ge  Ge15  1  0.848  0.149  0.492  1.0
  O  O16  1  0.726  0.949  0.433  1.0
  O  O17  1  0.226  0.551  0.567  1.0
  O  O18  1  0.274  0.051  0.567  1.0
  O  O19  1  0.774  0.449  0.433  1.0
  O  O20  1  0.673  0.004  0.126  1.0
  O  O21  1  0.173  0.496  0.874  1.0
  O  O22  1  0.327  0.996  0.874  1.0
  O  O23  1  0.827  0.504  0.126  1.0
  O  O24  1  0.021  0.202  0.433  1.0
  O  O25  1  0.521  0.298  0.567  1.0
  O  O26  1  0.979  0.798  0.567  1.0
  O  O27  1  0.479  0.702  0.433  1.0
  O  O28  1  0.964  0.038  0.147  1.0
  O  O29  1  0.464  0.462  0.853  1.0
  O  O30  1  0.036  0.962  0.853  1.0
  O  O31  1  0.536  0.538  0.147  1.0
  O  O32  1  0.693  0.767  0.910  1.0
  O  O33  1  0.193  0.733  0.090  1.0
  O  O34  1  0.307  0.233  0.090  1.0
  O  O35  1  0.807  0.267  0.910  1.0
  O  O36  1  0.667  0.635  0.666  1.0
  O  O37  1  0.167  0.865  0.334  1.0
  O  O38  1  0.333  0.365  0.334  1.0
  O  O39  1  0.833  0.135  0.666  1.0
[/CIF]
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The material described by ZnSn(GeO3)2 crystallizes in the monoclinic P2_1/c space group. Zn(1) is bonded in a 5-coordinate geometry to one Sn(1), one O(2), one O(4), one O(5), and one O(6) atom. Sn(1) is bonded in a 6-coordinate geometry to one Zn(1), one O(3), one O(4), one O(5), and two equivalent O(6) atoms. There are two inequivalent Ge sites. In the first Ge site, Ge(1) is bonded to one O(4), one O(5), and two equivalent O(2) atoms to form corner-sharing GeO4 tetrahedra. In the second Ge site, Ge(2) is bonded in a 5-coordinate geometry to one O(6), two equivalent O(1), and two equivalent O(3) atoms. There are six inequivalent O sites. In the first O site, O(5) is bonded in a 3-coordinate geometry to one Zn(1), one Sn(1), and one Ge(1) atom. In the second O site, O(6) is bonded to one Zn(1), two equivalent Sn(1), and one Ge(2) atom to form distorted corner-sharing OZnSn2Ge tetrahedra. In the third O site, O(1) is bonded in a distorted bent 120 degrees geometry to two equivalent Ge(2) atoms. In the fourth O site, O(2) is bonded in a trigonal planar geometry to one Zn(1) and two equivalent Ge(1) atoms. In the fifth O site, O(3) is bonded in a 3-coordinate geometry to one Sn(1) and two equivalent Ge(2) atoms. In the sixth O site, O(4) is bonded in a distorted trigonal planar geometry to one Zn(1), one Sn(1), and one Ge(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_ZnSn(GeO3)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.489
_cell_length_b   5.469
_cell_length_c   10.848
_cell_angle_alpha   82.113
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   557.601
_cell_formula_units_Z   4
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  0.480  0.192  0.198  1.0
  Zn  Zn1  1  0.980  0.308  0.802  1.0
  Zn  Zn2  1  0.520  0.808  0.802  1.0
  Zn  Zn3  1  0.020  0.692  0.198  1.0
  Sn  Sn4  1  0.385  0.742  0.255  1.0
  Sn  Sn5  1  0.885  0.758  0.745  1.0
  Sn  Sn6  1  0.615  0.258  0.745  1.0
  Sn  Sn7  1  0.115  0.242  0.255  1.0
  Ge  Ge8  1  0.678  0.701  0.070  1.0
  Ge  Ge9  1  0.178  0.799  0.930  1.0
  Ge  Ge10  1  0.322  0.299  0.930  1.0
  Ge  Ge11  1  0.822  0.201  0.070  1.0
  Ge  Ge12  1  0.652  0.649  0.492  1.0
  Ge  Ge13  1  0.152  0.851  0.508  1.0
  Ge  Ge14  1  0.348  0.351  0.508  1.0
  Ge  Ge15  1  0.848  0.149  0.492  1.0
  O  O16  1  0.726  0.949  0.433  1.0
  O  O17  1  0.226  0.551  0.567  1.0
  O  O18  1  0.274  0.051  0.567  1.0
  O  O19  1  0.774  0.449  0.433  1.0
  O  O20  1  0.673  0.004  0.126  1.0
  O  O21  1  0.173  0.496  0.874  1.0
  O  O22  1  0.327  0.996  0.874  1.0
  O  O23  1  0.827  0.504  0.126  1.0
  O  O24  1  0.021  0.202  0.433  1.0
  O  O25  1  0.521  0.298  0.567  1.0
  O  O26  1  0.979  0.798  0.567  1.0
  O  O27  1  0.479  0.702  0.433  1.0
  O  O28  1  0.964  0.038  0.147  1.0
  O  O29  1  0.464  0.462  0.853  1.0
  O  O30  1  0.036  0.962  0.853  1.0
  O  O31  1  0.536  0.538  0.147  1.0
  O  O32  1  0.693  0.767  0.910  1.0
  O  O33  1  0.193  0.733  0.090  1.0
  O  O34  1  0.307  0.233  0.090  1.0
  O  O35  1  0.807  0.267  0.910  1.0
  O  O36  1  0.667  0.635  0.666  1.0
  O  O37  1  0.167  0.865  0.334  1.0
  O  O38  1  0.333  0.365  0.334  1.0
  O  O39  1  0.833  0.135  0.666  1.0
[/CIF]
.