The material described by Cs2GeP4O13 crystallizes in the triclinic P-1 space group. There are two inequivalent Cs sites. In the first Cs site, Cs(1) is bonded in a 9-coordinate geometry to one O(13), one O(6), one O(7), three equivalent O(11), and three equivalent O(3) atoms. In the second Cs site, Cs(2) is bonded in a 4-coordinate geometry to two equivalent O(1) and two equivalent O(4) atoms. Ge(1) is bonded to one O(13), one O(2), one O(6), one O(7), one O(8), and one O(9) atom to form GeO6 octahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra, corners with two equivalent P(3)O4 tetrahedra, and corners with two equivalent P(4)O4 tetrahedra. There are four inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(10), one O(12), and one O(2) atom to form PO4 tetrahedra that share  a cornercorner with one Ge(1)O6 octahedra,  a cornercorner with one P(2)O4 tetrahedra, and  a cornercorner with one P(4)O4 tetrahedra. The corner-sharing octahedral tilt angles are 47°. In the second P site, P(2) is bonded to one O(11), one O(12), one O(5), and one O(6) atom to form PO4 tetrahedra that share  a cornercorner with one Ge(1)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra, and  a cornercorner with one P(3)O4 tetrahedra. The corner-sharing octahedral tilt angles are 45°. In the third P site, P(3) is bonded to one O(4), one O(5), one O(8), and one O(9) atom to form PO4 tetrahedra that share corners with two equivalent Ge(1)O6 octahedra and  a cornercorner with one P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 43-45°. In the fourth P site, P(4) is bonded to one O(10), one O(13), one O(3), and one O(7) atom to form PO4 tetrahedra that share corners with two equivalent Ge(1)O6 octahedra and  a cornercorner with one P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 44-46°. There are thirteen inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to two equivalent Cs(2) and one P(1) atom. In the second O site, O(2) is bonded in a 2-coordinate geometry to one Ge(1) and one P(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to three equivalent Cs(1) and one P(4) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to two equivalent Cs(2) and one P(3) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one P(2) and one P(3) atom. In the sixth O site, O(6) is bonded in a 2-coordinate geometry to one Cs(1), one Ge(1), and one P(2) atom. In the seventh O site, O(7) is bonded in a distorted bent 150 degrees geometry to one Cs(1), one Ge(1), and one P(4) atom. In the eighth O site, O(8) is bonded in a distorted bent 150 degrees geometry to one Ge(1) and one P(3) atom. In the ninth O site, O(9) is bonded in a distorted bent 150 degrees geometry to one Ge(1) and one P(3) atom. In the tenth O site, O(10) is bonded in a distorted bent 120 degrees geometry to one P(1) and one P(4) atom. In the eleventh O site, O(11) is bonded in a single-bond geometry to three equivalent Cs(1) and one P(2) atom. In the twelfth O site, O(12) is bonded in a bent 150 degrees geometry to one P(1) and one P(2) atom. In the thirteenth O site, O(13) is bonded in a 2-coordinate geometry to one Cs(1), one Ge(1), and one P(4) atom. is represented by the CIF file [CIF]
data_Cs2GeP4O13
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.056
_cell_length_b   8.021
_cell_length_c   16.230
_cell_angle_alpha   84.536
_cell_angle_beta   84.308
_cell_angle_gamma   80.843
_symmetry_Int_Tables_number   1
_cell_volume   644.411
_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
  Cs  Cs0  1  0.272  0.295  0.029  1.0
  Cs  Cs1  1  0.674  0.743  0.489  1.0
  Cs  Cs2  1  0.728  0.705  0.971  1.0
  Cs  Cs3  1  0.326  0.257  0.511  1.0
  Ge  Ge4  1  0.551  0.938  0.242  1.0
  Ge  Ge5  1  0.449  0.062  0.758  1.0
  P  P6  1  0.663  0.407  0.696  1.0
  P  P7  1  0.315  0.684  0.787  1.0
  P  P8  1  0.337  0.593  0.304  1.0
  P  P9  1  0.685  0.316  0.213  1.0
  P  P10  1  0.983  0.088  0.335  1.0
  P  P11  1  0.017  0.912  0.665  1.0
  P  P12  1  0.115  0.785  0.153  1.0
  P  P13  1  0.885  0.215  0.847  1.0
  O  O14  1  0.808  0.420  0.613  1.0
  O  O15  1  0.551  0.712  0.290  1.0
  O  O16  1  0.204  0.708  0.073  1.0
  O  O17  1  0.887  0.152  0.418  1.0
  O  O18  1  0.947  0.241  0.261  1.0
  O  O19  1  0.446  0.835  0.806  1.0
  O  O20  1  0.277  0.924  0.172  1.0
  O  O21  1  0.827  0.949  0.311  1.0
  O  O22  1  0.290  0.022  0.328  1.0
  O  O23  1  0.143  0.638  0.230  1.0
  O  O24  1  0.745  0.433  0.141  1.0
  O  O25  1  0.710  0.978  0.672  1.0
  O  O26  1  0.488  0.405  0.287  1.0
  O  O27  1  0.189  0.142  0.844  1.0
  O  O28  1  0.512  0.595  0.713  1.0
  O  O29  1  0.113  0.848  0.582  1.0
  O  O30  1  0.723  0.076  0.828  1.0
  O  O31  1  0.053  0.759  0.739  1.0
  O  O32  1  0.192  0.580  0.387  1.0
  O  O33  1  0.811  0.858  0.156  1.0
  O  O34  1  0.255  0.567  0.859  1.0
  O  O35  1  0.173  0.051  0.689  1.0
  O  O36  1  0.857  0.362  0.770  1.0
  O  O37  1  0.554  0.165  0.194  1.0
  O  O38  1  0.796  0.292  0.927  1.0
  O  O39  1  0.449  0.288  0.710  1.0
[/CIF]
.
The material described by Cs2GeP4O13 crystallizes in the triclinic P-1 space group. There are two inequivalent Cs sites. In the first Cs site, Cs(1) is bonded in a 9-coordinate geometry to one O(13), one O(6), one O(7), three equivalent O(11), and three equivalent O(3) atoms. In the second Cs site, Cs(2) is bonded in a 4-coordinate geometry to two equivalent O(1) and two equivalent O(4) atoms. Ge(1) is bonded to one O(13), one O(2), one O(6), one O(7), one O(8), and one O(9) atom to form GeO6 octahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra, corners with two equivalent P(3)O4 tetrahedra, and corners with two equivalent P(4)O4 tetrahedra. There are four inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(10), one O(12), and one O(2) atom to form PO4 tetrahedra that share  a cornercorner with one Ge(1)O6 octahedra,  a cornercorner with one P(2)O4 tetrahedra, and  a cornercorner with one P(4)O4 tetrahedra. The corner-sharing octahedral tilt angles are 47°. In the second P site, P(2) is bonded to one O(11), one O(12), one O(5), and one O(6) atom to form PO4 tetrahedra that share  a cornercorner with one Ge(1)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra, and  a cornercorner with one P(3)O4 tetrahedra. The corner-sharing octahedral tilt angles are 45°. In the third P site, P(3) is bonded to one O(4), one O(5), one O(8), and one O(9) atom to form PO4 tetrahedra that share corners with two equivalent Ge(1)O6 octahedra and  a cornercorner with one P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 43-45°. In the fourth P site, P(4) is bonded to one O(10), one O(13), one O(3), and one O(7) atom to form PO4 tetrahedra that share corners with two equivalent Ge(1)O6 octahedra and  a cornercorner with one P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 44-46°. There are thirteen inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to two equivalent Cs(2) and one P(1) atom. In the second O site, O(2) is bonded in a 2-coordinate geometry to one Ge(1) and one P(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to three equivalent Cs(1) and one P(4) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to two equivalent Cs(2) and one P(3) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one P(2) and one P(3) atom. In the sixth O site, O(6) is bonded in a 2-coordinate geometry to one Cs(1), one Ge(1), and one P(2) atom. In the seventh O site, O(7) is bonded in a distorted bent 150 degrees geometry to one Cs(1), one Ge(1), and one P(4) atom. In the eighth O site, O(8) is bonded in a distorted bent 150 degrees geometry to one Ge(1) and one P(3) atom. In the ninth O site, O(9) is bonded in a distorted bent 150 degrees geometry to one Ge(1) and one P(3) atom. In the tenth O site, O(10) is bonded in a distorted bent 120 degrees geometry to one P(1) and one P(4) atom. In the eleventh O site, O(11) is bonded in a single-bond geometry to three equivalent Cs(1) and one P(2) atom. In the twelfth O site, O(12) is bonded in a bent 150 degrees geometry to one P(1) and one P(2) atom. In the thirteenth O site, O(13) is bonded in a 2-coordinate geometry to one Cs(1), one Ge(1), and one P(4) atom. is represented by the CIF file [CIF]
data_Cs2GeP4O13
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.056
_cell_length_b   8.021
_cell_length_c   16.230
_cell_angle_alpha   84.536
_cell_angle_beta   84.308
_cell_angle_gamma   80.843
_symmetry_Int_Tables_number   1
_cell_volume   644.411
_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
  Cs  Cs0  1  0.272  0.295  0.029  1.0
  Cs  Cs1  1  0.674  0.743  0.489  1.0
  Cs  Cs2  1  0.728  0.705  0.971  1.0
  Cs  Cs3  1  0.326  0.257  0.511  1.0
  Ge  Ge4  1  0.551  0.938  0.242  1.0
  Ge  Ge5  1  0.449  0.062  0.758  1.0
  P  P6  1  0.663  0.407  0.696  1.0
  P  P7  1  0.315  0.684  0.787  1.0
  P  P8  1  0.337  0.593  0.304  1.0
  P  P9  1  0.685  0.316  0.213  1.0
  P  P10  1  0.983  0.088  0.335  1.0
  P  P11  1  0.017  0.912  0.665  1.0
  P  P12  1  0.115  0.785  0.153  1.0
  P  P13  1  0.885  0.215  0.847  1.0
  O  O14  1  0.808  0.420  0.613  1.0
  O  O15  1  0.551  0.712  0.290  1.0
  O  O16  1  0.204  0.708  0.073  1.0
  O  O17  1  0.887  0.152  0.418  1.0
  O  O18  1  0.947  0.241  0.261  1.0
  O  O19  1  0.446  0.835  0.806  1.0
  O  O20  1  0.277  0.924  0.172  1.0
  O  O21  1  0.827  0.949  0.311  1.0
  O  O22  1  0.290  0.022  0.328  1.0
  O  O23  1  0.143  0.638  0.230  1.0
  O  O24  1  0.745  0.433  0.141  1.0
  O  O25  1  0.710  0.978  0.672  1.0
  O  O26  1  0.488  0.405  0.287  1.0
  O  O27  1  0.189  0.142  0.844  1.0
  O  O28  1  0.512  0.595  0.713  1.0
  O  O29  1  0.113  0.848  0.582  1.0
  O  O30  1  0.723  0.076  0.828  1.0
  O  O31  1  0.053  0.759  0.739  1.0
  O  O32  1  0.192  0.580  0.387  1.0
  O  O33  1  0.811  0.858  0.156  1.0
  O  O34  1  0.255  0.567  0.859  1.0
  O  O35  1  0.173  0.051  0.689  1.0
  O  O36  1  0.857  0.362  0.770  1.0
  O  O37  1  0.554  0.165  0.194  1.0
  O  O38  1  0.796  0.292  0.927  1.0
  O  O39  1  0.449  0.288  0.710  1.0
[/CIF]
.