The structure described by OsP4 is Hausmannite-like structured and crystallizes in the triclinic P-1 space group. There are two inequivalent Os sites. In the first Os site, Os(1) is bonded to two equivalent P(1), two equivalent P(3), and two equivalent P(6) atoms to form OsP6 octahedra that share corners with four equivalent Os(2)P6 octahedra, corners with two equivalent P(2)P2Os2 tetrahedra, corners with two equivalent P(3)P2Os2 tetrahedra, corners with two equivalent P(6)P3Os tetrahedra, corners with four equivalent P(4)P3Os tetrahedra, and corners with four equivalent P(5)P3Os tetrahedra. The corner-sharing octahedral tilt angles range from 54-56°. In the second Os site, Os(2) is bonded to one P(1), one P(3), one P(4), one P(5), and two equivalent P(2) atoms to form OsP6 octahedra that share corners with two equivalent Os(1)P6 octahedra,  a cornercorner with one P(3)P2Os2 tetrahedra, corners with two equivalent P(1)P2Os2 tetrahedra, corners with two equivalent P(2)P2Os2 tetrahedra, corners with two equivalent P(5)P3Os tetrahedra, corners with three equivalent P(4)P3Os tetrahedra, corners with four equivalent P(6)P3Os tetrahedra, and  an edgeedge with one Os(2)P6 octahedra. The corner-sharing octahedral tilt angles range from 54-56°. There are six inequivalent P sites. In the first P site, P(1) is bonded to one Os(1), one Os(2), one P(4), and one P(5) atom to form PP2Os2 tetrahedra that share corners with two equivalent Os(2)P6 octahedra,  a cornercorner with one P(1)P2Os2 tetrahedra, corners with two equivalent P(2)P2Os2 tetrahedra, corners with two equivalent P(4)P3Os tetrahedra, corners with two equivalent P(5)P3Os tetrahedra, corners with three equivalent P(6)P3Os tetrahedra, and corners with four equivalent P(3)P2Os2 tetrahedra. The corner-sharing octahedral tilt angles range from 54-65°. In the second P site, P(2) is bonded to two equivalent Os(2), one P(2), and one P(6) atom to form PP2Os2 tetrahedra that share  a cornercorner with one Os(1)P6 octahedra, corners with two equivalent Os(2)P6 octahedra,  a cornercorner with one P(6)P3Os tetrahedra, corners with two equivalent P(1)P2Os2 tetrahedra, corners with two equivalent P(4)P3Os tetrahedra, corners with three equivalent P(3)P2Os2 tetrahedra, corners with three equivalent P(5)P3Os tetrahedra, and  an edgeedge with one P(2)P2Os2 tetrahedra. The corner-sharing octahedral tilt angles range from 60-70°. In the third P site, P(3) is bonded to one Os(1), one Os(2), one P(4), and one P(6) atom to form PP2Os2 tetrahedra that share  a cornercorner with one Os(1)P6 octahedra,  a cornercorner with one Os(2)P6 octahedra,  a cornercorner with one P(3)P2Os2 tetrahedra, corners with two equivalent P(4)P3Os tetrahedra, corners with two equivalent P(5)P3Os tetrahedra, corners with two equivalent P(6)P3Os tetrahedra, corners with three equivalent P(2)P2Os2 tetrahedra, and corners with four equivalent P(1)P2Os2 tetrahedra. The corner-sharing octahedral tilt angles range from 65-71°. In the fourth P site, P(4) is bonded to one Os(2), one P(1), one P(3), and one P(4) atom to form PP3Os tetrahedra that share corners with two equivalent Os(1)P6 octahedra, corners with three equivalent Os(2)P6 octahedra,  a cornercorner with one P(6)P3Os tetrahedra, corners with two equivalent P(1)P2Os2 tetrahedra, corners with two equivalent P(2)P2Os2 tetrahedra, corners with two equivalent P(3)P2Os2 tetrahedra, and corners with two equivalent P(5)P3Os tetrahedra. The corner-sharing octahedral tilt angles range from 51-79°. In the fifth P site, P(5) is bonded to one Os(2), one P(1), one P(5), and one P(6) atom to form PP3Os tetrahedra that share corners with two equivalent Os(1)P6 octahedra, corners with two equivalent Os(2)P6 octahedra,  a cornercorner with one P(6)P3Os tetrahedra, corners with two equivalent P(1)P2Os2 tetrahedra, corners with two equivalent P(3)P2Os2 tetrahedra, corners with two equivalent P(4)P3Os tetrahedra, and corners with three equivalent P(2)P2Os2 tetrahedra. The corner-sharing octahedral tilt angles range from 44-78°. In the sixth P site, P(6) is bonded to one Os(1), one P(2), one P(3), and one P(5) atom to form PP3Os tetrahedra that share  a cornercorner with one Os(1)P6 octahedra, corners with four equivalent Os(2)P6 octahedra,  a cornercorner with one P(2)P2Os2 tetrahedra,  a cornercorner with one P(4)P3Os tetrahedra,  a cornercorner with one P(5)P3Os tetrahedra,  a cornercorner with one P(6)P3Os tetrahedra, corners with two equivalent P(3)P2Os2 tetrahedra, and corners with three equivalent P(1)P2Os2 tetrahedra. The corner-sharing octahedral tilt angles range from 60-80°. is represented by the Crystallographic Information File (CIF) [CIF]
data_P4Os
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.730
_cell_length_b   7.170
_cell_length_c   7.557
_cell_angle_alpha   111.233
_cell_angle_beta   90.362
_cell_angle_gamma   100.430
_symmetry_Int_Tables_number   1
_cell_volume   234.238
_cell_formula_units_Z   3
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
  P  P0  1  0.820  0.838  0.215  1.0
  P  P1  1  0.180  0.162  0.785  1.0
  P  P2  1  0.727  0.573  0.549  1.0
  P  P3  1  0.273  0.427  0.451  1.0
  P  P4  1  0.794  0.296  0.123  1.0
  P  P5  1  0.206  0.704  0.877  1.0
  P  P6  1  0.401  0.633  0.100  1.0
  P  P7  1  0.599  0.367  0.900  1.0
  P  P8  1  0.341  0.914  0.561  1.0
  P  P9  1  0.659  0.086  0.439  1.0
  P  P10  1  0.608  0.830  0.769  1.0
  P  P11  1  0.392  0.170  0.231  1.0
  Os  Os12  1  0.000  0.000  0.000  1.0
  Os  Os13  1  0.059  0.628  0.328  1.0
  Os  Os14  1  0.941  0.372  0.672  1.0
[/CIF]
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The structure described by OsP4 is Hausmannite-like structured and crystallizes in the triclinic P-1 space group. There are two inequivalent Os sites. In the first Os site, Os(1) is bonded to two equivalent P(1), two equivalent P(3), and two equivalent P(6) atoms to form OsP6 octahedra that share corners with four equivalent Os(2)P6 octahedra, corners with two equivalent P(2)P2Os2 tetrahedra, corners with two equivalent P(3)P2Os2 tetrahedra, corners with two equivalent P(6)P3Os tetrahedra, corners with four equivalent P(4)P3Os tetrahedra, and corners with four equivalent P(5)P3Os tetrahedra. The corner-sharing octahedral tilt angles range from 54-56°. In the second Os site, Os(2) is bonded to one P(1), one P(3), one P(4), one P(5), and two equivalent P(2) atoms to form OsP6 octahedra that share corners with two equivalent Os(1)P6 octahedra,  a cornercorner with one P(3)P2Os2 tetrahedra, corners with two equivalent P(1)P2Os2 tetrahedra, corners with two equivalent P(2)P2Os2 tetrahedra, corners with two equivalent P(5)P3Os tetrahedra, corners with three equivalent P(4)P3Os tetrahedra, corners with four equivalent P(6)P3Os tetrahedra, and  an edgeedge with one Os(2)P6 octahedra. The corner-sharing octahedral tilt angles range from 54-56°. There are six inequivalent P sites. In the first P site, P(1) is bonded to one Os(1), one Os(2), one P(4), and one P(5) atom to form PP2Os2 tetrahedra that share corners with two equivalent Os(2)P6 octahedra,  a cornercorner with one P(1)P2Os2 tetrahedra, corners with two equivalent P(2)P2Os2 tetrahedra, corners with two equivalent P(4)P3Os tetrahedra, corners with two equivalent P(5)P3Os tetrahedra, corners with three equivalent P(6)P3Os tetrahedra, and corners with four equivalent P(3)P2Os2 tetrahedra. The corner-sharing octahedral tilt angles range from 54-65°. In the second P site, P(2) is bonded to two equivalent Os(2), one P(2), and one P(6) atom to form PP2Os2 tetrahedra that share  a cornercorner with one Os(1)P6 octahedra, corners with two equivalent Os(2)P6 octahedra,  a cornercorner with one P(6)P3Os tetrahedra, corners with two equivalent P(1)P2Os2 tetrahedra, corners with two equivalent P(4)P3Os tetrahedra, corners with three equivalent P(3)P2Os2 tetrahedra, corners with three equivalent P(5)P3Os tetrahedra, and  an edgeedge with one P(2)P2Os2 tetrahedra. The corner-sharing octahedral tilt angles range from 60-70°. In the third P site, P(3) is bonded to one Os(1), one Os(2), one P(4), and one P(6) atom to form PP2Os2 tetrahedra that share  a cornercorner with one Os(1)P6 octahedra,  a cornercorner with one Os(2)P6 octahedra,  a cornercorner with one P(3)P2Os2 tetrahedra, corners with two equivalent P(4)P3Os tetrahedra, corners with two equivalent P(5)P3Os tetrahedra, corners with two equivalent P(6)P3Os tetrahedra, corners with three equivalent P(2)P2Os2 tetrahedra, and corners with four equivalent P(1)P2Os2 tetrahedra. The corner-sharing octahedral tilt angles range from 65-71°. In the fourth P site, P(4) is bonded to one Os(2), one P(1), one P(3), and one P(4) atom to form PP3Os tetrahedra that share corners with two equivalent Os(1)P6 octahedra, corners with three equivalent Os(2)P6 octahedra,  a cornercorner with one P(6)P3Os tetrahedra, corners with two equivalent P(1)P2Os2 tetrahedra, corners with two equivalent P(2)P2Os2 tetrahedra, corners with two equivalent P(3)P2Os2 tetrahedra, and corners with two equivalent P(5)P3Os tetrahedra. The corner-sharing octahedral tilt angles range from 51-79°. In the fifth P site, P(5) is bonded to one Os(2), one P(1), one P(5), and one P(6) atom to form PP3Os tetrahedra that share corners with two equivalent Os(1)P6 octahedra, corners with two equivalent Os(2)P6 octahedra,  a cornercorner with one P(6)P3Os tetrahedra, corners with two equivalent P(1)P2Os2 tetrahedra, corners with two equivalent P(3)P2Os2 tetrahedra, corners with two equivalent P(4)P3Os tetrahedra, and corners with three equivalent P(2)P2Os2 tetrahedra. The corner-sharing octahedral tilt angles range from 44-78°. In the sixth P site, P(6) is bonded to one Os(1), one P(2), one P(3), and one P(5) atom to form PP3Os tetrahedra that share  a cornercorner with one Os(1)P6 octahedra, corners with four equivalent Os(2)P6 octahedra,  a cornercorner with one P(2)P2Os2 tetrahedra,  a cornercorner with one P(4)P3Os tetrahedra,  a cornercorner with one P(5)P3Os tetrahedra,  a cornercorner with one P(6)P3Os tetrahedra, corners with two equivalent P(3)P2Os2 tetrahedra, and corners with three equivalent P(1)P2Os2 tetrahedra. The corner-sharing octahedral tilt angles range from 60-80°. is represented by the Crystallographic Information File (CIF) [CIF]
data_P4Os
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.730
_cell_length_b   7.170
_cell_length_c   7.557
_cell_angle_alpha   111.233
_cell_angle_beta   90.362
_cell_angle_gamma   100.430
_symmetry_Int_Tables_number   1
_cell_volume   234.238
_cell_formula_units_Z   3
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
  P  P0  1  0.820  0.838  0.215  1.0
  P  P1  1  0.180  0.162  0.785  1.0
  P  P2  1  0.727  0.573  0.549  1.0
  P  P3  1  0.273  0.427  0.451  1.0
  P  P4  1  0.794  0.296  0.123  1.0
  P  P5  1  0.206  0.704  0.877  1.0
  P  P6  1  0.401  0.633  0.100  1.0
  P  P7  1  0.599  0.367  0.900  1.0
  P  P8  1  0.341  0.914  0.561  1.0
  P  P9  1  0.659  0.086  0.439  1.0
  P  P10  1  0.608  0.830  0.769  1.0
  P  P11  1  0.392  0.170  0.231  1.0
  Os  Os12  1  0.000  0.000  0.000  1.0
  Os  Os13  1  0.059  0.628  0.328  1.0
  Os  Os14  1  0.941  0.372  0.672  1.0
[/CIF]
.