The material described by Cs2Ni(NO3)4 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 12-coordinate geometry to one O(1), one O(10), one O(3), one O(5), one O(7), one O(8), two equivalent O(12), two equivalent O(2), and two equivalent O(9) atoms. In the second Cs site, Cs(2) is bonded in a 9-coordinate geometry to one O(1), one O(5), one O(7), two equivalent O(11), two equivalent O(4), and two equivalent O(6) atoms. Ni(1) is bonded in a distorted octahedral geometry to one O(1), one O(10), one O(11), one O(2), one O(3), and one O(8) atom. There are four inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one O(11), one O(7), and one O(8) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one O(1), one O(5), and one O(9) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one O(3), one O(4), and one O(6) atom. In the fourth N site, N(4) is bonded in a trigonal planar geometry to one O(10), one O(12), and one O(2) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Cs(1), one Cs(2), one Ni(1), and one N(2) atom. In the second O site, O(2) is bonded in a distorted L-shaped geometry to two equivalent Cs(1), one Ni(1), and one N(4) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Cs(1), one Ni(1), and one N(3) atom. In the fourth O site, O(4) is bonded in a single-bond geometry to two equivalent Cs(2) and one N(3) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one Cs(1), one Cs(2), and one N(2) atom. In the sixth O site, O(6) is bonded in a single-bond geometry to two equivalent Cs(2) and one N(3) atom. In the seventh O site, O(7) is bonded in a single-bond geometry to one Cs(1), one Cs(2), and one N(1) atom. In the eighth O site, O(8) is bonded in a distorted L-shaped geometry to one Cs(1), one Ni(1), and one N(1) atom. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to two equivalent Cs(1) and one N(2) atom. In the tenth O site, O(10) is bonded in a distorted L-shaped geometry to one Cs(1), one Ni(1), and one N(4) atom. In the eleventh O site, O(11) is bonded in a 2-coordinate geometry to two equivalent Cs(2), one Ni(1), and one N(1) atom. In the twelfth O site, O(12) is bonded in a single-bond geometry to two equivalent Cs(1) and one N(4) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Cs2Ni(NO3)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.510
_cell_length_b   7.892
_cell_length_c   13.516
_cell_angle_alpha   87.663
_cell_angle_beta   102.287
_cell_angle_gamma   108.045
_symmetry_Int_Tables_number   1
_cell_volume   644.935
_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  0.353  0.225  0.596  1.0
  Cs  Cs1  1  0.647  0.775  0.404  1.0
  Cs  Cs2  1  0.847  0.704  0.080  1.0
  Cs  Cs3  1  0.153  0.296  0.920  1.0
  Ni  Ni4  1  0.060  0.767  0.737  1.0
  Ni  Ni5  1  0.940  0.233  0.263  1.0
  N  N6  1  0.746  0.540  0.797  1.0
  N  N7  1  0.818  0.040  0.689  1.0
  N  N8  1  0.182  0.960  0.311  1.0
  N  N9  1  0.511  0.125  0.122  1.0
  N  N10  1  0.254  0.460  0.203  1.0
  N  N11  1  0.489  0.875  0.878  1.0
  N  N12  1  0.191  0.656  0.596  1.0
  N  N13  1  0.809  0.344  0.404  1.0
  O  O14  1  0.018  0.004  0.253  1.0
  O  O15  1  0.882  0.207  0.412  1.0
  O  O16  1  0.636  0.068  0.195  1.0
  O  O17  1  0.982  0.996  0.747  1.0
  O  O18  1  0.574  0.283  0.095  1.0
  O  O19  1  0.193  0.808  0.295  1.0
  O  O20  1  0.329  0.017  0.080  1.0
  O  O21  1  0.600  0.424  0.827  1.0
  O  O22  1  0.734  0.579  0.703  1.0
  O  O23  1  0.807  0.192  0.705  1.0
  O  O24  1  0.316  0.066  0.378  1.0
  O  O25  1  0.266  0.421  0.297  1.0
  O  O26  1  0.684  0.934  0.622  1.0
  O  O27  1  0.671  0.983  0.920  1.0
  O  O28  1  0.426  0.717  0.905  1.0
  O  O29  1  0.191  0.578  0.681  1.0
  O  O30  1  0.364  0.932  0.805  1.0
  O  O31  1  0.928  0.629  0.858  1.0
  O  O32  1  0.400  0.576  0.173  1.0
  O  O33  1  0.747  0.395  0.474  1.0
  O  O34  1  0.072  0.371  0.142  1.0
  O  O35  1  0.253  0.605  0.526  1.0
  O  O36  1  0.809  0.422  0.319  1.0
  O  O37  1  0.118  0.793  0.588  1.0
[/CIF]
.
The material described by Cs2Ni(NO3)4 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 12-coordinate geometry to one O(1), one O(10), one O(3), one O(5), one O(7), one O(8), two equivalent O(12), two equivalent O(2), and two equivalent O(9) atoms. In the second Cs site, Cs(2) is bonded in a 9-coordinate geometry to one O(1), one O(5), one O(7), two equivalent O(11), two equivalent O(4), and two equivalent O(6) atoms. Ni(1) is bonded in a distorted octahedral geometry to one O(1), one O(10), one O(11), one O(2), one O(3), and one O(8) atom. There are four inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one O(11), one O(7), and one O(8) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one O(1), one O(5), and one O(9) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one O(3), one O(4), and one O(6) atom. In the fourth N site, N(4) is bonded in a trigonal planar geometry to one O(10), one O(12), and one O(2) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Cs(1), one Cs(2), one Ni(1), and one N(2) atom. In the second O site, O(2) is bonded in a distorted L-shaped geometry to two equivalent Cs(1), one Ni(1), and one N(4) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Cs(1), one Ni(1), and one N(3) atom. In the fourth O site, O(4) is bonded in a single-bond geometry to two equivalent Cs(2) and one N(3) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one Cs(1), one Cs(2), and one N(2) atom. In the sixth O site, O(6) is bonded in a single-bond geometry to two equivalent Cs(2) and one N(3) atom. In the seventh O site, O(7) is bonded in a single-bond geometry to one Cs(1), one Cs(2), and one N(1) atom. In the eighth O site, O(8) is bonded in a distorted L-shaped geometry to one Cs(1), one Ni(1), and one N(1) atom. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to two equivalent Cs(1) and one N(2) atom. In the tenth O site, O(10) is bonded in a distorted L-shaped geometry to one Cs(1), one Ni(1), and one N(4) atom. In the eleventh O site, O(11) is bonded in a 2-coordinate geometry to two equivalent Cs(2), one Ni(1), and one N(1) atom. In the twelfth O site, O(12) is bonded in a single-bond geometry to two equivalent Cs(1) and one N(4) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Cs2Ni(NO3)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.510
_cell_length_b   7.892
_cell_length_c   13.516
_cell_angle_alpha   87.663
_cell_angle_beta   102.287
_cell_angle_gamma   108.045
_symmetry_Int_Tables_number   1
_cell_volume   644.935
_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  0.353  0.225  0.596  1.0
  Cs  Cs1  1  0.647  0.775  0.404  1.0
  Cs  Cs2  1  0.847  0.704  0.080  1.0
  Cs  Cs3  1  0.153  0.296  0.920  1.0
  Ni  Ni4  1  0.060  0.767  0.737  1.0
  Ni  Ni5  1  0.940  0.233  0.263  1.0
  N  N6  1  0.746  0.540  0.797  1.0
  N  N7  1  0.818  0.040  0.689  1.0
  N  N8  1  0.182  0.960  0.311  1.0
  N  N9  1  0.511  0.125  0.122  1.0
  N  N10  1  0.254  0.460  0.203  1.0
  N  N11  1  0.489  0.875  0.878  1.0
  N  N12  1  0.191  0.656  0.596  1.0
  N  N13  1  0.809  0.344  0.404  1.0
  O  O14  1  0.018  0.004  0.253  1.0
  O  O15  1  0.882  0.207  0.412  1.0
  O  O16  1  0.636  0.068  0.195  1.0
  O  O17  1  0.982  0.996  0.747  1.0
  O  O18  1  0.574  0.283  0.095  1.0
  O  O19  1  0.193  0.808  0.295  1.0
  O  O20  1  0.329  0.017  0.080  1.0
  O  O21  1  0.600  0.424  0.827  1.0
  O  O22  1  0.734  0.579  0.703  1.0
  O  O23  1  0.807  0.192  0.705  1.0
  O  O24  1  0.316  0.066  0.378  1.0
  O  O25  1  0.266  0.421  0.297  1.0
  O  O26  1  0.684  0.934  0.622  1.0
  O  O27  1  0.671  0.983  0.920  1.0
  O  O28  1  0.426  0.717  0.905  1.0
  O  O29  1  0.191  0.578  0.681  1.0
  O  O30  1  0.364  0.932  0.805  1.0
  O  O31  1  0.928  0.629  0.858  1.0
  O  O32  1  0.400  0.576  0.173  1.0
  O  O33  1  0.747  0.395  0.474  1.0
  O  O34  1  0.072  0.371  0.142  1.0
  O  O35  1  0.253  0.605  0.526  1.0
  O  O36  1  0.809  0.422  0.319  1.0
  O  O37  1  0.118  0.793  0.588  1.0
[/CIF]
.