The crystal structure described by SrNi2(PO4)2 crystallizes in the triclinic P-1 space group. Sr(1) is bonded in a 1-coordinate geometry to one O(2), one O(3), one O(4), and two equivalent O(1) atoms. There are two inequivalent Ni sites. In the first Ni site, Ni(1) is bonded in a 5-coordinate geometry to one O(1), one O(3), one O(5), one O(6), and one O(7) atom. In the second Ni site, Ni(2) is bonded in a 4-coordinate geometry to one O(5), one O(6), one O(7), and one O(8) atom. There are two inequivalent P sites. In the first P site, P(1) is bonded in a distorted rectangular see-saw-like geometry to one O(1), one O(3), one O(4), and one O(6) atom. In the second P site, P(2) is bonded in a 4-coordinate geometry to one O(2), one O(5), one O(7), and one O(8) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to two equivalent Sr(1), one Ni(1), and one P(1) atom. In the second O site, O(2) is bonded in a distorted water-like geometry to one Sr(1) and one P(2) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Sr(1), one Ni(1), and one P(1) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Sr(1) and one P(1) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Ni(1), one Ni(2), and one P(2) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Ni(1), one Ni(2), and one P(1) atom. In the seventh O site, O(7) is bonded in a single-bond geometry to one Ni(1), one Ni(2), and one P(2) atom. In the eighth O site, O(8) is bonded in a bent 120 degrees geometry to one Ni(2) and one P(2) atom. is represented by the CIF file [CIF]
data_SrNi2(PO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.512
_cell_length_b   6.888
_cell_length_c   9.262
_cell_angle_alpha   111.288
_cell_angle_beta   100.989
_cell_angle_gamma   98.113
_symmetry_Int_Tables_number   1
_cell_volume   313.022
_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
  Sr  Sr0  1  0.241  0.753  0.447  1.0
  Sr  Sr1  1  0.759  0.247  0.553  1.0
  Ni  Ni2  1  0.512  0.764  0.840  1.0
  Ni  Ni3  1  0.142  0.795  0.061  1.0
  Ni  Ni4  1  0.858  0.205  0.939  1.0
  Ni  Ni5  1  0.488  0.236  0.160  1.0
  P  P6  1  0.892  0.687  0.742  1.0
  P  P7  1  0.108  0.313  0.258  1.0
  P  P8  1  0.347  0.221  0.806  1.0
  P  P9  1  0.653  0.779  0.194  1.0
  O  O10  1  0.663  0.828  0.626  1.0
  O  O11  1  0.337  0.172  0.374  1.0
  O  O12  1  0.247  0.374  0.636  1.0
  O  O13  1  0.753  0.626  0.364  1.0
  O  O14  1  0.146  0.781  0.702  1.0
  O  O15  1  0.854  0.219  0.298  1.0
  O  O16  1  0.843  0.464  0.737  1.0
  O  O17  1  0.157  0.536  0.263  1.0
  O  O18  1  0.545  0.077  0.803  1.0
  O  O19  1  0.455  0.923  0.197  1.0
  O  O20  1  0.119  0.313  0.091  1.0
  O  O21  1  0.881  0.687  0.909  1.0
  O  O22  1  0.492  0.674  0.070  1.0
  O  O23  1  0.122  0.085  0.869  1.0
  O  O24  1  0.878  0.915  0.131  1.0
  O  O25  1  0.508  0.326  0.930  1.0
[/CIF]
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The crystal structure described by SrNi2(PO4)2 crystallizes in the triclinic P-1 space group. Sr(1) is bonded in a 1-coordinate geometry to one O(2), one O(3), one O(4), and two equivalent O(1) atoms. There are two inequivalent Ni sites. In the first Ni site, Ni(1) is bonded in a 5-coordinate geometry to one O(1), one O(3), one O(5), one O(6), and one O(7) atom. In the second Ni site, Ni(2) is bonded in a 4-coordinate geometry to one O(5), one O(6), one O(7), and one O(8) atom. There are two inequivalent P sites. In the first P site, P(1) is bonded in a distorted rectangular see-saw-like geometry to one O(1), one O(3), one O(4), and one O(6) atom. In the second P site, P(2) is bonded in a 4-coordinate geometry to one O(2), one O(5), one O(7), and one O(8) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to two equivalent Sr(1), one Ni(1), and one P(1) atom. In the second O site, O(2) is bonded in a distorted water-like geometry to one Sr(1) and one P(2) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Sr(1), one Ni(1), and one P(1) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Sr(1) and one P(1) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Ni(1), one Ni(2), and one P(2) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Ni(1), one Ni(2), and one P(1) atom. In the seventh O site, O(7) is bonded in a single-bond geometry to one Ni(1), one Ni(2), and one P(2) atom. In the eighth O site, O(8) is bonded in a bent 120 degrees geometry to one Ni(2) and one P(2) atom. is represented by the CIF file [CIF]
data_SrNi2(PO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.512
_cell_length_b   6.888
_cell_length_c   9.262
_cell_angle_alpha   111.288
_cell_angle_beta   100.989
_cell_angle_gamma   98.113
_symmetry_Int_Tables_number   1
_cell_volume   313.022
_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
  Sr  Sr0  1  0.241  0.753  0.447  1.0
  Sr  Sr1  1  0.759  0.247  0.553  1.0
  Ni  Ni2  1  0.512  0.764  0.840  1.0
  Ni  Ni3  1  0.142  0.795  0.061  1.0
  Ni  Ni4  1  0.858  0.205  0.939  1.0
  Ni  Ni5  1  0.488  0.236  0.160  1.0
  P  P6  1  0.892  0.687  0.742  1.0
  P  P7  1  0.108  0.313  0.258  1.0
  P  P8  1  0.347  0.221  0.806  1.0
  P  P9  1  0.653  0.779  0.194  1.0
  O  O10  1  0.663  0.828  0.626  1.0
  O  O11  1  0.337  0.172  0.374  1.0
  O  O12  1  0.247  0.374  0.636  1.0
  O  O13  1  0.753  0.626  0.364  1.0
  O  O14  1  0.146  0.781  0.702  1.0
  O  O15  1  0.854  0.219  0.298  1.0
  O  O16  1  0.843  0.464  0.737  1.0
  O  O17  1  0.157  0.536  0.263  1.0
  O  O18  1  0.545  0.077  0.803  1.0
  O  O19  1  0.455  0.923  0.197  1.0
  O  O20  1  0.119  0.313  0.091  1.0
  O  O21  1  0.881  0.687  0.909  1.0
  O  O22  1  0.492  0.674  0.070  1.0
  O  O23  1  0.122  0.085  0.869  1.0
  O  O24  1  0.878  0.915  0.131  1.0
  O  O25  1  0.508  0.326  0.930  1.0
[/CIF]
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