The compound described by Na3Ni2P2(CO7)2 crystallizes in the triclinic P-1 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(12), one O(3), one O(4), one O(5), one O(6), and one O(8) atom. In the second Na site, Na(2) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(4), one O(5), one O(6), and one O(8) atom. In the third Na site, Na(3) is bonded in a 7-coordinate geometry to one O(10), one O(11), one O(13), one O(14), one O(2), 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(2), one O(3), one O(4), one O(5), and one O(7) atom to form NiO6 octahedra that share  a cornercorner with one P(2)O4 tetrahedra and corners with three equivalent P(1)O4 tetrahedra. In the second Ni site, Ni(2) is bonded to one O(10), one O(11), one O(12), one O(13), one O(14), and one O(6) atom to form NiO6 octahedra that share  a cornercorner with one P(1)O4 tetrahedra and corners with three 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(6), and one O(8) atom. In the second C site, C(2) is bonded in a trigonal planar geometry to one O(1), one O(7), and one O(9) atom. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(14), one O(2), one O(3), and one O(4) atom to form PO4 tetrahedra that share  a cornercorner with one Ni(2)O6 octahedra and corners with three equivalent Ni(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 41-46°. In the second P site, P(2) is bonded to one O(11), one O(12), one O(13), and one O(5) atom to form PO4 tetrahedra that share  a cornercorner with one Ni(1)O6 octahedra and corners with three equivalent Ni(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 39-49°. There are fourteen inequivalent O sites. In the first O site, O(1) is bonded to one Na(1), one Na(2), one Ni(1), and one C(2) atom to form distorted edge-sharing ONa2NiC trigonal pyramids. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Na(2), one Na(3), one Ni(1), and one P(1) atom. In the third O site, O(3) is bonded in a 3-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 rectangular see-saw-like geometry to one Na(1), one Na(2), one Ni(1), and one P(1) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Na(1), one Na(2), one Ni(1), and one P(2) atom. In the sixth O site, O(6) is bonded to one Na(1), one Na(2), one Ni(2), and one C(1) atom to form distorted edge-sharing ONa2NiC trigonal pyramids. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Na(3), one Ni(1), and one C(2) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Na(1), one Na(2), and one C(1) atom. In the ninth O site, O(9) is bonded in a distorted bent 150 degrees geometry to one Na(3) and one C(2) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Na(3), one Ni(2), and one C(1) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one Na(3), one Ni(2), and one P(2) atom. In the twelfth O site, O(12) is bonded in a 2-coordinate geometry to one Na(1), one Ni(2), and one P(2) atom. In the thirteenth O site, O(13) is bonded in a 3-coordinate geometry to one Na(3), one Ni(2), and one P(2) atom. In the fourteenth O site, O(14) is bonded in a 3-coordinate geometry to one Na(3), one Ni(2), and one P(1) 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   10.207
_cell_length_b   10.447
_cell_length_c   6.495
_cell_angle_alpha   90.842
_cell_angle_beta   91.017
_cell_angle_gamma   59.931
_symmetry_Int_Tables_number   1
_cell_volume   599.275
_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  0.002  0.244  0.484  1.0
  Na  Na1  1  0.005  0.241  0.009  1.0
  Na  Na2  1  0.495  0.259  0.991  1.0
  Na  Na3  1  0.498  0.256  0.516  1.0
  Na  Na4  1  0.505  0.746  0.032  1.0
  Na  Na5  1  0.995  0.754  0.968  1.0
  Ni  Ni6  1  0.285  0.063  0.747  1.0
  Ni  Ni7  1  0.215  0.437  0.253  1.0
  Ni  Ni8  1  0.778  0.567  0.746  1.0
  Ni  Ni9  1  0.722  0.933  0.254  1.0
  P  P10  1  0.357  0.073  0.248  1.0
  P  P11  1  0.143  0.427  0.752  1.0
  P  P12  1  0.855  0.572  0.249  1.0
  P  P13  1  0.645  0.928  0.751  1.0
  C  C14  1  0.821  0.102  0.247  1.0
  C  C15  1  0.316  0.605  0.253  1.0
  C  C16  1  0.679  0.398  0.753  1.0
  C  C17  1  0.184  0.895  0.747  1.0
  O  O18  1  0.099  0.039  0.738  1.0
  O  O19  1  0.267  0.060  0.062  1.0
  O  O20  1  0.268  0.066  0.434  1.0
  O  O21  1  0.140  0.281  0.753  1.0
  O  O22  1  0.022  0.440  0.240  1.0
  O  O23  1  0.478  0.060  0.760  1.0
  O  O24  1  0.360  0.219  0.247  1.0
  O  O25  1  0.233  0.440  0.938  1.0
  O  O26  1  0.232  0.434  0.566  1.0
  O  O27  1  0.676  0.146  0.252  1.0
  O  O28  1  0.172  0.648  0.249  1.0
  O  O29  1  0.401  0.461  0.262  1.0
  O  O30  1  0.630  0.310  0.759  1.0
  O  O31  1  0.132  0.810  0.753  1.0
  O  O32  1  0.870  0.190  0.241  1.0
  O  O33  1  0.368  0.690  0.247  1.0
  O  O34  1  0.595  0.540  0.751  1.0
  O  O35  1  0.824  0.354  0.748  1.0
  O  O36  1  0.328  0.852  0.751  1.0
  O  O37  1  0.765  0.558  0.064  1.0
  O  O38  1  0.777  0.552  0.436  1.0
  O  O39  1  0.641  0.783  0.755  1.0
  O  O40  1  0.523  0.944  0.241  1.0
  O  O41  1  0.977  0.556  0.759  1.0
  O  O42  1  0.859  0.717  0.245  1.0
  O  O43  1  0.723  0.948  0.564  1.0
  O  O44  1  0.735  0.942  0.936  1.0
  O  O45  1  0.905  0.960  0.249  1.0
[/CIF]
.
The compound described by Na3Ni2P2(CO7)2 crystallizes in the triclinic P-1 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(12), one O(3), one O(4), one O(5), one O(6), and one O(8) atom. In the second Na site, Na(2) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(4), one O(5), one O(6), and one O(8) atom. In the third Na site, Na(3) is bonded in a 7-coordinate geometry to one O(10), one O(11), one O(13), one O(14), one O(2), 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(2), one O(3), one O(4), one O(5), and one O(7) atom to form NiO6 octahedra that share  a cornercorner with one P(2)O4 tetrahedra and corners with three equivalent P(1)O4 tetrahedra. In the second Ni site, Ni(2) is bonded to one O(10), one O(11), one O(12), one O(13), one O(14), and one O(6) atom to form NiO6 octahedra that share  a cornercorner with one P(1)O4 tetrahedra and corners with three 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(6), and one O(8) atom. In the second C site, C(2) is bonded in a trigonal planar geometry to one O(1), one O(7), and one O(9) atom. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(14), one O(2), one O(3), and one O(4) atom to form PO4 tetrahedra that share  a cornercorner with one Ni(2)O6 octahedra and corners with three equivalent Ni(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 41-46°. In the second P site, P(2) is bonded to one O(11), one O(12), one O(13), and one O(5) atom to form PO4 tetrahedra that share  a cornercorner with one Ni(1)O6 octahedra and corners with three equivalent Ni(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 39-49°. There are fourteen inequivalent O sites. In the first O site, O(1) is bonded to one Na(1), one Na(2), one Ni(1), and one C(2) atom to form distorted edge-sharing ONa2NiC trigonal pyramids. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Na(2), one Na(3), one Ni(1), and one P(1) atom. In the third O site, O(3) is bonded in a 3-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 rectangular see-saw-like geometry to one Na(1), one Na(2), one Ni(1), and one P(1) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Na(1), one Na(2), one Ni(1), and one P(2) atom. In the sixth O site, O(6) is bonded to one Na(1), one Na(2), one Ni(2), and one C(1) atom to form distorted edge-sharing ONa2NiC trigonal pyramids. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Na(3), one Ni(1), and one C(2) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Na(1), one Na(2), and one C(1) atom. In the ninth O site, O(9) is bonded in a distorted bent 150 degrees geometry to one Na(3) and one C(2) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Na(3), one Ni(2), and one C(1) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one Na(3), one Ni(2), and one P(2) atom. In the twelfth O site, O(12) is bonded in a 2-coordinate geometry to one Na(1), one Ni(2), and one P(2) atom. In the thirteenth O site, O(13) is bonded in a 3-coordinate geometry to one Na(3), one Ni(2), and one P(2) atom. In the fourteenth O site, O(14) is bonded in a 3-coordinate geometry to one Na(3), one Ni(2), and one P(1) 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   10.207
_cell_length_b   10.447
_cell_length_c   6.495
_cell_angle_alpha   90.842
_cell_angle_beta   91.017
_cell_angle_gamma   59.931
_symmetry_Int_Tables_number   1
_cell_volume   599.275
_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  0.002  0.244  0.484  1.0
  Na  Na1  1  0.005  0.241  0.009  1.0
  Na  Na2  1  0.495  0.259  0.991  1.0
  Na  Na3  1  0.498  0.256  0.516  1.0
  Na  Na4  1  0.505  0.746  0.032  1.0
  Na  Na5  1  0.995  0.754  0.968  1.0
  Ni  Ni6  1  0.285  0.063  0.747  1.0
  Ni  Ni7  1  0.215  0.437  0.253  1.0
  Ni  Ni8  1  0.778  0.567  0.746  1.0
  Ni  Ni9  1  0.722  0.933  0.254  1.0
  P  P10  1  0.357  0.073  0.248  1.0
  P  P11  1  0.143  0.427  0.752  1.0
  P  P12  1  0.855  0.572  0.249  1.0
  P  P13  1  0.645  0.928  0.751  1.0
  C  C14  1  0.821  0.102  0.247  1.0
  C  C15  1  0.316  0.605  0.253  1.0
  C  C16  1  0.679  0.398  0.753  1.0
  C  C17  1  0.184  0.895  0.747  1.0
  O  O18  1  0.099  0.039  0.738  1.0
  O  O19  1  0.267  0.060  0.062  1.0
  O  O20  1  0.268  0.066  0.434  1.0
  O  O21  1  0.140  0.281  0.753  1.0
  O  O22  1  0.022  0.440  0.240  1.0
  O  O23  1  0.478  0.060  0.760  1.0
  O  O24  1  0.360  0.219  0.247  1.0
  O  O25  1  0.233  0.440  0.938  1.0
  O  O26  1  0.232  0.434  0.566  1.0
  O  O27  1  0.676  0.146  0.252  1.0
  O  O28  1  0.172  0.648  0.249  1.0
  O  O29  1  0.401  0.461  0.262  1.0
  O  O30  1  0.630  0.310  0.759  1.0
  O  O31  1  0.132  0.810  0.753  1.0
  O  O32  1  0.870  0.190  0.241  1.0
  O  O33  1  0.368  0.690  0.247  1.0
  O  O34  1  0.595  0.540  0.751  1.0
  O  O35  1  0.824  0.354  0.748  1.0
  O  O36  1  0.328  0.852  0.751  1.0
  O  O37  1  0.765  0.558  0.064  1.0
  O  O38  1  0.777  0.552  0.436  1.0
  O  O39  1  0.641  0.783  0.755  1.0
  O  O40  1  0.523  0.944  0.241  1.0
  O  O41  1  0.977  0.556  0.759  1.0
  O  O42  1  0.859  0.717  0.245  1.0
  O  O43  1  0.723  0.948  0.564  1.0
  O  O44  1  0.735  0.942  0.936  1.0
  O  O45  1  0.905  0.960  0.249  1.0
[/CIF]
.