The crystal structure described by Co7NiP4 crystallizes in the monoclinic Pm space group. There are seven inequivalent Co sites. In the first Co site, Co(1) is bonded to one P(1), one P(2), and two equivalent P(3) atoms to form a mixture of distorted corner and edge-sharing CoP4 tetrahedra. In the second Co site, Co(2) is bonded to one P(1), one P(2), and two equivalent P(4) atoms to form a mixture of distorted corner and edge-sharing CoP4 tetrahedra. In the third Co site, Co(3) is bonded to one P(3), one P(4), and two equivalent P(1) atoms to form a mixture of distorted corner and edge-sharing CoP4 tetrahedra. In the fourth Co site, Co(4) is bonded to one P(3), one P(4), and two equivalent P(2) atoms to form a mixture of distorted corner and edge-sharing CoP4 tetrahedra. In the fifth Co site, Co(5) is bonded in a 5-coordinate geometry to one P(1), two equivalent P(3), and two equivalent P(4) atoms. In the sixth Co site, Co(6) is bonded in a 5-coordinate geometry to one P(4), two equivalent P(1), and two equivalent P(2) atoms. In the seventh Co site, Co(7) is bonded in a 5-coordinate geometry to one P(3), two equivalent P(1), and two equivalent P(2) atoms. Ni(1) is bonded in a 3-coordinate geometry to one P(2), two equivalent P(3), and two equivalent P(4) atoms. There are four inequivalent P sites. In the first P site, P(1) is bonded in a 9-coordinate geometry to one Co(1), one Co(2), one Co(5), two equivalent Co(3), two equivalent Co(6), and two equivalent Co(7) atoms. In the second P site, P(2) is bonded in a 9-coordinate geometry to one Co(1), one Co(2), two equivalent Co(4), two equivalent Co(6), two equivalent Co(7), and one Ni(1) atom. In the third P site, P(3) is bonded in a 9-coordinate geometry to one Co(3), one Co(4), one Co(7), two equivalent Co(1), two equivalent Co(5), and two equivalent Ni(1) atoms. In the fourth P site, P(4) is bonded in a 9-coordinate geometry to one Co(3), one Co(4), one Co(6), two equivalent Co(2), two equivalent Co(5), and two equivalent Ni(1) atoms. is represented by the CIF file [CIF]
data_Co7NiP4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.465
_cell_length_b   5.520
_cell_length_c   6.521
_cell_angle_alpha   89.770
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   124.737
_cell_formula_units_Z   1
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
  Co  Co0  1  0.500  0.646  0.066  1.0
  Co  Co1  1  0.500  0.140  0.434  1.0
  Co  Co2  1  0.000  0.361  0.932  1.0
  Co  Co3  1  0.000  0.851  0.566  1.0
  Co  Co4  1  0.500  0.038  0.835  1.0
  Co  Co5  1  0.000  0.461  0.334  1.0
  Co  Co6  1  0.000  0.974  0.167  1.0
  Ni  Ni7  1  0.500  0.529  0.664  1.0
  P  P8  1  0.500  0.256  0.122  1.0
  P  P9  1  0.500  0.753  0.377  1.0
  P  P10  1  0.000  0.753  0.882  1.0
  P  P11  1  0.000  0.239  0.622  1.0
[/CIF]
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The crystal structure described by Co7NiP4 crystallizes in the monoclinic Pm space group. There are seven inequivalent Co sites. In the first Co site, Co(1) is bonded to one P(1), one P(2), and two equivalent P(3) atoms to form a mixture of distorted corner and edge-sharing CoP4 tetrahedra. In the second Co site, Co(2) is bonded to one P(1), one P(2), and two equivalent P(4) atoms to form a mixture of distorted corner and edge-sharing CoP4 tetrahedra. In the third Co site, Co(3) is bonded to one P(3), one P(4), and two equivalent P(1) atoms to form a mixture of distorted corner and edge-sharing CoP4 tetrahedra. In the fourth Co site, Co(4) is bonded to one P(3), one P(4), and two equivalent P(2) atoms to form a mixture of distorted corner and edge-sharing CoP4 tetrahedra. In the fifth Co site, Co(5) is bonded in a 5-coordinate geometry to one P(1), two equivalent P(3), and two equivalent P(4) atoms. In the sixth Co site, Co(6) is bonded in a 5-coordinate geometry to one P(4), two equivalent P(1), and two equivalent P(2) atoms. In the seventh Co site, Co(7) is bonded in a 5-coordinate geometry to one P(3), two equivalent P(1), and two equivalent P(2) atoms. Ni(1) is bonded in a 3-coordinate geometry to one P(2), two equivalent P(3), and two equivalent P(4) atoms. There are four inequivalent P sites. In the first P site, P(1) is bonded in a 9-coordinate geometry to one Co(1), one Co(2), one Co(5), two equivalent Co(3), two equivalent Co(6), and two equivalent Co(7) atoms. In the second P site, P(2) is bonded in a 9-coordinate geometry to one Co(1), one Co(2), two equivalent Co(4), two equivalent Co(6), two equivalent Co(7), and one Ni(1) atom. In the third P site, P(3) is bonded in a 9-coordinate geometry to one Co(3), one Co(4), one Co(7), two equivalent Co(1), two equivalent Co(5), and two equivalent Ni(1) atoms. In the fourth P site, P(4) is bonded in a 9-coordinate geometry to one Co(3), one Co(4), one Co(6), two equivalent Co(2), two equivalent Co(5), and two equivalent Ni(1) atoms. is represented by the CIF file [CIF]
data_Co7NiP4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.465
_cell_length_b   5.520
_cell_length_c   6.521
_cell_angle_alpha   89.770
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   124.737
_cell_formula_units_Z   1
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
  Co  Co0  1  0.500  0.646  0.066  1.0
  Co  Co1  1  0.500  0.140  0.434  1.0
  Co  Co2  1  0.000  0.361  0.932  1.0
  Co  Co3  1  0.000  0.851  0.566  1.0
  Co  Co4  1  0.500  0.038  0.835  1.0
  Co  Co5  1  0.000  0.461  0.334  1.0
  Co  Co6  1  0.000  0.974  0.167  1.0
  Ni  Ni7  1  0.500  0.529  0.664  1.0
  P  P8  1  0.500  0.256  0.122  1.0
  P  P9  1  0.500  0.753  0.377  1.0
  P  P10  1  0.000  0.753  0.882  1.0
  P  P11  1  0.000  0.239  0.622  1.0
[/CIF]
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