The structure described by Na3Ni2P2(CO7)2 crystallizes in the monoclinic Pc space group. There are three inequivalent Na sites. In the first Na site, Na(1) is bonded in a 7-coordinate geometry to one O(1), one O(13), one O(14), one O(2), one O(3), one O(4), and one O(5) atom. In the second Na site, Na(2) is bonded in a 6-coordinate geometry to one O(10), one O(11), one O(12), one O(6), one O(7), and one O(8) atom. In the third Na site, Na(3) is bonded in a 6-coordinate geometry to one O(10), one O(11), one O(12), one O(6), one O(7), and one O(9) atom. There are two inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to one O(1), one O(14), one O(2), one O(3), one O(4), and one O(6) atom to form NiO6 octahedra that share corners with two equivalent P(1)O4 tetrahedra and corners with two equivalent P(2)O4 tetrahedra. In the second Ni site, Ni(2) is bonded to one O(10), one O(11), one O(5), one O(7), one O(8), and one O(9) atom to form NiO6 octahedra that share corners with two equivalent P(1)O4 tetrahedra and corners with two equivalent P(2)O4 tetrahedra. There are two inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one O(10), one O(11), and one O(13) atom. In the second C site, C(2) is bonded in a trigonal planar geometry to one O(1), one O(12), and one O(14) atom. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(2), one O(3), one O(5), and one O(7) atom to form PO4 tetrahedra that share corners with two equivalent Ni(1)O6 octahedra and corners with two equivalent Ni(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 40-47°. In the second P site, P(2) is bonded to one O(4), one O(6), one O(8), and one O(9) atom to form PO4 tetrahedra that share corners with two equivalent Ni(1)O6 octahedra and corners with two equivalent Ni(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 39-50°. There are fourteen inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Na(1), one Ni(1), and one C(2) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Na(1), one Ni(1), and one P(1) atom. In the third O site, O(3) is bonded in a 2-coordinate geometry to one Na(1), one Ni(1), and one P(1) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Na(1), one Ni(1), and one P(2) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Na(1), one Ni(2), and one P(1) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Na(2), one Na(3), one Ni(1), and one P(2) atom. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Na(2), one Na(3), one Ni(2), and one P(1) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Na(2), one Ni(2), and one P(2) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Na(3), one Ni(2), and one P(2) atom. In the tenth O site, O(10) is bonded in a distorted trigonal pyramidal geometry to one Na(2), one Na(3), one Ni(2), and one C(1) atom. In the eleventh O site, O(11) is bonded in a distorted rectangular see-saw-like geometry to one Na(2), one Na(3), one Ni(2), and one C(1) atom. In the twelfth O site, O(12) is bonded in a 3-coordinate geometry to one Na(2), one Na(3), and one C(2) atom. In the thirteenth O site, O(13) is bonded in a distorted bent 150 degrees geometry to one Na(1) and one C(1) atom. In the fourteenth O site, O(14) is bonded in a 3-coordinate geometry to one Na(1), one Ni(1), and one C(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Na3Ni2P2(CO7)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.271
_cell_length_b   10.518
_cell_length_c   6.493
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   59.522
_symmetry_Int_Tables_number   1
_cell_volume   604.485
_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
  Na  Na0  1  0.003  0.248  0.039  1.0
  Na  Na1  1  0.497  0.257  0.987  1.0
  Na  Na2  1  0.496  0.256  0.515  1.0
  Na  Na3  1  0.503  0.748  0.461  1.0
  Na  Na4  1  0.996  0.756  0.985  1.0
  Na  Na5  1  0.997  0.757  0.513  1.0
  Ni  Ni6  1  0.278  0.068  0.746  1.0
  Ni  Ni7  1  0.215  0.432  0.250  1.0
  Ni  Ni8  1  0.778  0.568  0.754  1.0
  Ni  Ni9  1  0.715  0.932  0.250  1.0
  P  P10  1  0.353  0.070  0.252  1.0
  P  P11  1  0.143  0.428  0.750  1.0
  P  P12  1  0.853  0.570  0.248  1.0
  P  P13  1  0.643  0.928  0.750  1.0
  C  C14  1  0.818  0.100  0.252  1.0
  C  C15  1  0.318  0.600  0.248  1.0
  C  C16  1  0.685  0.394  0.746  1.0
  C  C17  1  0.185  0.894  0.754  1.0
  O  O18  1  0.098  0.037  0.761  1.0
  O  O19  1  0.268  0.064  0.060  1.0
  O  O20  1  0.276  0.050  0.444  1.0
  O  O21  1  0.142  0.282  0.757  1.0
  O  O22  1  0.020  0.441  0.246  1.0
  O  O23  1  0.478  0.063  0.750  1.0
  O  O24  1  0.358  0.215  0.256  1.0
  O  O25  1  0.231  0.441  0.937  1.0
  O  O26  1  0.229  0.440  0.562  1.0
  O  O27  1  0.672  0.146  0.252  1.0
  O  O28  1  0.172  0.646  0.248  1.0
  O  O29  1  0.403  0.456  0.249  1.0
  O  O30  1  0.635  0.307  0.749  1.0
  O  O31  1  0.135  0.807  0.751  1.0
  O  O32  1  0.868  0.185  0.253  1.0
  O  O33  1  0.368  0.685  0.247  1.0
  O  O34  1  0.598  0.537  0.739  1.0
  O  O35  1  0.828  0.351  0.753  1.0
  O  O36  1  0.328  0.851  0.747  1.0
  O  O37  1  0.776  0.550  0.056  1.0
  O  O38  1  0.768  0.564  0.440  1.0
  O  O39  1  0.642  0.782  0.743  1.0
  O  O40  1  0.520  0.941  0.254  1.0
  O  O41  1  0.978  0.563  0.750  1.0
  O  O42  1  0.858  0.715  0.244  1.0
  O  O43  1  0.731  0.941  0.563  1.0
  O  O44  1  0.729  0.940  0.938  1.0
  O  O45  1  0.903  0.956  0.251  1.0
[/CIF]
.
The structure described by Na3Ni2P2(CO7)2 crystallizes in the monoclinic Pc space group. There are three inequivalent Na sites. In the first Na site, Na(1) is bonded in a 7-coordinate geometry to one O(1), one O(13), one O(14), one O(2), one O(3), one O(4), and one O(5) atom. In the second Na site, Na(2) is bonded in a 6-coordinate geometry to one O(10), one O(11), one O(12), one O(6), one O(7), and one O(8) atom. In the third Na site, Na(3) is bonded in a 6-coordinate geometry to one O(10), one O(11), one O(12), one O(6), one O(7), and one O(9) atom. There are two inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to one O(1), one O(14), one O(2), one O(3), one O(4), and one O(6) atom to form NiO6 octahedra that share corners with two equivalent P(1)O4 tetrahedra and corners with two equivalent P(2)O4 tetrahedra. In the second Ni site, Ni(2) is bonded to one O(10), one O(11), one O(5), one O(7), one O(8), and one O(9) atom to form NiO6 octahedra that share corners with two equivalent P(1)O4 tetrahedra and corners with two equivalent P(2)O4 tetrahedra. There are two inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one O(10), one O(11), and one O(13) atom. In the second C site, C(2) is bonded in a trigonal planar geometry to one O(1), one O(12), and one O(14) atom. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(2), one O(3), one O(5), and one O(7) atom to form PO4 tetrahedra that share corners with two equivalent Ni(1)O6 octahedra and corners with two equivalent Ni(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 40-47°. In the second P site, P(2) is bonded to one O(4), one O(6), one O(8), and one O(9) atom to form PO4 tetrahedra that share corners with two equivalent Ni(1)O6 octahedra and corners with two equivalent Ni(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 39-50°. There are fourteen inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Na(1), one Ni(1), and one C(2) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Na(1), one Ni(1), and one P(1) atom. In the third O site, O(3) is bonded in a 2-coordinate geometry to one Na(1), one Ni(1), and one P(1) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Na(1), one Ni(1), and one P(2) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Na(1), one Ni(2), and one P(1) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Na(2), one Na(3), one Ni(1), and one P(2) atom. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Na(2), one Na(3), one Ni(2), and one P(1) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Na(2), one Ni(2), and one P(2) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Na(3), one Ni(2), and one P(2) atom. In the tenth O site, O(10) is bonded in a distorted trigonal pyramidal geometry to one Na(2), one Na(3), one Ni(2), and one C(1) atom. In the eleventh O site, O(11) is bonded in a distorted rectangular see-saw-like geometry to one Na(2), one Na(3), one Ni(2), and one C(1) atom. In the twelfth O site, O(12) is bonded in a 3-coordinate geometry to one Na(2), one Na(3), and one C(2) atom. In the thirteenth O site, O(13) is bonded in a distorted bent 150 degrees geometry to one Na(1) and one C(1) atom. In the fourteenth O site, O(14) is bonded in a 3-coordinate geometry to one Na(1), one Ni(1), and one C(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Na3Ni2P2(CO7)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.271
_cell_length_b   10.518
_cell_length_c   6.493
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   59.522
_symmetry_Int_Tables_number   1
_cell_volume   604.485
_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
  Na  Na0  1  0.003  0.248  0.039  1.0
  Na  Na1  1  0.497  0.257  0.987  1.0
  Na  Na2  1  0.496  0.256  0.515  1.0
  Na  Na3  1  0.503  0.748  0.461  1.0
  Na  Na4  1  0.996  0.756  0.985  1.0
  Na  Na5  1  0.997  0.757  0.513  1.0
  Ni  Ni6  1  0.278  0.068  0.746  1.0
  Ni  Ni7  1  0.215  0.432  0.250  1.0
  Ni  Ni8  1  0.778  0.568  0.754  1.0
  Ni  Ni9  1  0.715  0.932  0.250  1.0
  P  P10  1  0.353  0.070  0.252  1.0
  P  P11  1  0.143  0.428  0.750  1.0
  P  P12  1  0.853  0.570  0.248  1.0
  P  P13  1  0.643  0.928  0.750  1.0
  C  C14  1  0.818  0.100  0.252  1.0
  C  C15  1  0.318  0.600  0.248  1.0
  C  C16  1  0.685  0.394  0.746  1.0
  C  C17  1  0.185  0.894  0.754  1.0
  O  O18  1  0.098  0.037  0.761  1.0
  O  O19  1  0.268  0.064  0.060  1.0
  O  O20  1  0.276  0.050  0.444  1.0
  O  O21  1  0.142  0.282  0.757  1.0
  O  O22  1  0.020  0.441  0.246  1.0
  O  O23  1  0.478  0.063  0.750  1.0
  O  O24  1  0.358  0.215  0.256  1.0
  O  O25  1  0.231  0.441  0.937  1.0
  O  O26  1  0.229  0.440  0.562  1.0
  O  O27  1  0.672  0.146  0.252  1.0
  O  O28  1  0.172  0.646  0.248  1.0
  O  O29  1  0.403  0.456  0.249  1.0
  O  O30  1  0.635  0.307  0.749  1.0
  O  O31  1  0.135  0.807  0.751  1.0
  O  O32  1  0.868  0.185  0.253  1.0
  O  O33  1  0.368  0.685  0.247  1.0
  O  O34  1  0.598  0.537  0.739  1.0
  O  O35  1  0.828  0.351  0.753  1.0
  O  O36  1  0.328  0.851  0.747  1.0
  O  O37  1  0.776  0.550  0.056  1.0
  O  O38  1  0.768  0.564  0.440  1.0
  O  O39  1  0.642  0.782  0.743  1.0
  O  O40  1  0.520  0.941  0.254  1.0
  O  O41  1  0.978  0.563  0.750  1.0
  O  O42  1  0.858  0.715  0.244  1.0
  O  O43  1  0.731  0.941  0.563  1.0
  O  O44  1  0.729  0.940  0.938  1.0
  O  O45  1  0.903  0.956  0.251  1.0
[/CIF]
.