The structure described by Zn(PO3)2 is quartz (alpha)-derived structured and crystallizes in the monoclinic Cc space group. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to one O(1), one O(5), one O(7), and one O(8) atom to form ZnO4 tetrahedra that share  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, and corners with two equivalent P(2)O4 tetrahedra. In the second Zn site, Zn(2) is bonded to one O(2), one O(3), one O(4), and one O(6) atom to form ZnO4 tetrahedra that share  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, and corners with two equivalent P(1)O4 tetrahedra. There are four inequivalent P sites. In the first P site, P(1) is bonded to one O(11), one O(12), one O(3), and one O(6) atom to form PO4 tetrahedra that share  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, and corners with two equivalent Zn(2)O4 tetrahedra. In the second P site, P(2) is bonded to one O(1), one O(10), one O(5), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, and corners with two equivalent Zn(1)O4 tetrahedra. In the third P site, P(3) is bonded to one O(10), one O(12), one O(2), and one O(7) atom to form PO4 tetrahedra that share  a cornercorner with one Zn(1)O4 tetrahedra,  a cornercorner with one Zn(2)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra, and  a cornercorner with one P(2)O4 tetrahedra. In the fourth P site, P(4) is bonded to one O(11), one O(4), one O(8), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Zn(1)O4 tetrahedra,  a cornercorner with one Zn(2)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra, and  a cornercorner with one P(2)O4 tetrahedra. There are twelve inequivalent O sites. In the first O site, O(7) is bonded in a bent 150 degrees geometry to one Zn(1) and one P(3) atom. In the second O site, O(8) is bonded in a distorted bent 120 degrees geometry to one Zn(1) and one P(4) atom. In the third O site, O(9) is bonded in a bent 120 degrees geometry to one P(2) and one P(4) atom. In the fourth O site, O(10) is bonded in a bent 150 degrees geometry to one P(2) and one P(3) atom. In the fifth O site, O(11) is bonded in a bent 120 degrees geometry to one P(1) and one P(4) atom. In the sixth O site, O(12) is bonded in a bent 120 degrees geometry to one P(1) and one P(3) atom. In the seventh O site, O(1) is bonded in a bent 150 degrees geometry to one Zn(1) and one P(2) atom. In the eighth O site, O(2) is bonded in a bent 150 degrees geometry to one Zn(2) and one P(3) atom. In the ninth O site, O(3) is bonded in a bent 150 degrees geometry to one Zn(2) and one P(1) atom. In the tenth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Zn(2) and one P(4) atom. In the eleventh O site, O(5) is bonded in a bent 150 degrees geometry to one Zn(1) and one P(2) atom. In the twelfth O site, O(6) is bonded in a bent 150 degrees geometry to one Zn(2) and one P(1) atom. is represented by the CIF card [CIF]
data_Zn(PO3)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.401
_cell_length_b   5.401
_cell_length_c   16.306
_cell_angle_alpha   88.465
_cell_angle_beta   88.465
_cell_angle_gamma   89.775
_symmetry_Int_Tables_number   1
_cell_volume   475.334
_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  0.058  0.674  0.119  1.0
  Zn  Zn1  1  0.058  0.855  0.903  1.0
  Zn  Zn2  1  0.674  0.058  0.619  1.0
  Zn  Zn3  1  0.855  0.058  0.403  1.0
  P  P4  1  0.567  0.527  0.876  1.0
  P  P5  1  0.993  0.567  0.647  1.0
  P  P6  1  0.527  0.567  0.376  1.0
  P  P7  1  0.288  0.247  0.759  1.0
  P  P8  1  0.269  0.812  0.512  1.0
  P  P9  1  0.812  0.269  0.012  1.0
  P  P10  1  0.567  0.993  0.147  1.0
  P  P11  1  0.247  0.288  0.259  1.0
  O  O12  1  0.369  0.842  0.113  1.0
  O  O13  1  0.130  0.142  0.328  1.0
  O  O14  1  0.842  0.369  0.613  1.0
  O  O15  1  0.333  0.633  0.909  1.0
  O  O16  1  0.965  0.041  0.001  1.0
  O  O17  1  0.869  0.802  0.670  1.0
  O  O18  1  0.802  0.869  0.170  1.0
  O  O19  1  0.779  0.694  0.859  1.0
  O  O20  1  0.694  0.779  0.359  1.0
  O  O21  1  0.095  0.377  0.190  1.0
  O  O22  1  0.936  0.511  0.023  1.0
  O  O23  1  0.223  0.619  0.585  1.0
  O  O24  1  0.131  0.477  0.727  1.0
  O  O25  1  0.633  0.333  0.409  1.0
  O  O26  1  0.640  0.297  0.935  1.0
  O  O27  1  0.511  0.936  0.523  1.0
  O  O28  1  0.385  0.523  0.293  1.0
  O  O29  1  0.477  0.131  0.227  1.0
  O  O30  1  0.297  0.640  0.435  1.0
  O  O31  1  0.523  0.385  0.793  1.0
  O  O32  1  0.041  0.965  0.501  1.0
  O  O33  1  0.377  0.095  0.690  1.0
  O  O34  1  0.619  0.223  0.085  1.0
  O  O35  1  0.142  0.130  0.828  1.0
[/CIF]
.
The structure described by Zn(PO3)2 is quartz (alpha)-derived structured and crystallizes in the monoclinic Cc space group. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to one O(1), one O(5), one O(7), and one O(8) atom to form ZnO4 tetrahedra that share  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, and corners with two equivalent P(2)O4 tetrahedra. In the second Zn site, Zn(2) is bonded to one O(2), one O(3), one O(4), and one O(6) atom to form ZnO4 tetrahedra that share  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, and corners with two equivalent P(1)O4 tetrahedra. There are four inequivalent P sites. In the first P site, P(1) is bonded to one O(11), one O(12), one O(3), and one O(6) atom to form PO4 tetrahedra that share  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, and corners with two equivalent Zn(2)O4 tetrahedra. In the second P site, P(2) is bonded to one O(1), one O(10), one O(5), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, and corners with two equivalent Zn(1)O4 tetrahedra. In the third P site, P(3) is bonded to one O(10), one O(12), one O(2), and one O(7) atom to form PO4 tetrahedra that share  a cornercorner with one Zn(1)O4 tetrahedra,  a cornercorner with one Zn(2)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra, and  a cornercorner with one P(2)O4 tetrahedra. In the fourth P site, P(4) is bonded to one O(11), one O(4), one O(8), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Zn(1)O4 tetrahedra,  a cornercorner with one Zn(2)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra, and  a cornercorner with one P(2)O4 tetrahedra. There are twelve inequivalent O sites. In the first O site, O(7) is bonded in a bent 150 degrees geometry to one Zn(1) and one P(3) atom. In the second O site, O(8) is bonded in a distorted bent 120 degrees geometry to one Zn(1) and one P(4) atom. In the third O site, O(9) is bonded in a bent 120 degrees geometry to one P(2) and one P(4) atom. In the fourth O site, O(10) is bonded in a bent 150 degrees geometry to one P(2) and one P(3) atom. In the fifth O site, O(11) is bonded in a bent 120 degrees geometry to one P(1) and one P(4) atom. In the sixth O site, O(12) is bonded in a bent 120 degrees geometry to one P(1) and one P(3) atom. In the seventh O site, O(1) is bonded in a bent 150 degrees geometry to one Zn(1) and one P(2) atom. In the eighth O site, O(2) is bonded in a bent 150 degrees geometry to one Zn(2) and one P(3) atom. In the ninth O site, O(3) is bonded in a bent 150 degrees geometry to one Zn(2) and one P(1) atom. In the tenth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Zn(2) and one P(4) atom. In the eleventh O site, O(5) is bonded in a bent 150 degrees geometry to one Zn(1) and one P(2) atom. In the twelfth O site, O(6) is bonded in a bent 150 degrees geometry to one Zn(2) and one P(1) atom. is represented by the CIF card [CIF]
data_Zn(PO3)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.401
_cell_length_b   5.401
_cell_length_c   16.306
_cell_angle_alpha   88.465
_cell_angle_beta   88.465
_cell_angle_gamma   89.775
_symmetry_Int_Tables_number   1
_cell_volume   475.334
_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  0.058  0.674  0.119  1.0
  Zn  Zn1  1  0.058  0.855  0.903  1.0
  Zn  Zn2  1  0.674  0.058  0.619  1.0
  Zn  Zn3  1  0.855  0.058  0.403  1.0
  P  P4  1  0.567  0.527  0.876  1.0
  P  P5  1  0.993  0.567  0.647  1.0
  P  P6  1  0.527  0.567  0.376  1.0
  P  P7  1  0.288  0.247  0.759  1.0
  P  P8  1  0.269  0.812  0.512  1.0
  P  P9  1  0.812  0.269  0.012  1.0
  P  P10  1  0.567  0.993  0.147  1.0
  P  P11  1  0.247  0.288  0.259  1.0
  O  O12  1  0.369  0.842  0.113  1.0
  O  O13  1  0.130  0.142  0.328  1.0
  O  O14  1  0.842  0.369  0.613  1.0
  O  O15  1  0.333  0.633  0.909  1.0
  O  O16  1  0.965  0.041  0.001  1.0
  O  O17  1  0.869  0.802  0.670  1.0
  O  O18  1  0.802  0.869  0.170  1.0
  O  O19  1  0.779  0.694  0.859  1.0
  O  O20  1  0.694  0.779  0.359  1.0
  O  O21  1  0.095  0.377  0.190  1.0
  O  O22  1  0.936  0.511  0.023  1.0
  O  O23  1  0.223  0.619  0.585  1.0
  O  O24  1  0.131  0.477  0.727  1.0
  O  O25  1  0.633  0.333  0.409  1.0
  O  O26  1  0.640  0.297  0.935  1.0
  O  O27  1  0.511  0.936  0.523  1.0
  O  O28  1  0.385  0.523  0.293  1.0
  O  O29  1  0.477  0.131  0.227  1.0
  O  O30  1  0.297  0.640  0.435  1.0
  O  O31  1  0.523  0.385  0.793  1.0
  O  O32  1  0.041  0.965  0.501  1.0
  O  O33  1  0.377  0.095  0.690  1.0
  O  O34  1  0.619  0.223  0.085  1.0
  O  O35  1  0.142  0.130  0.828  1.0
[/CIF]
.