The compound described by UCoP2 is Parent of FeAs superconductors-derived structured and crystallizes in the tetragonal P4/nmm space group. U(1) is bonded to four equivalent Co(1), four equivalent P(1), and four equivalent P(2) atoms to form distorted UCo4P8 cuboctahedra that share corners with four equivalent U(1)Co4P8 cuboctahedra, corners with eight equivalent Co(1)U4P4 tetrahedra, edges with eight equivalent U(1)Co4P8 cuboctahedra, edges with four equivalent Co(1)U4P4 tetrahedra, and faces with four equivalent U(1)Co4P8 cuboctahedra. Co(1) is bonded to four equivalent U(1) and four equivalent P(2) atoms to form CoU4P4 tetrahedra that share corners with eight equivalent U(1)Co4P8 cuboctahedra, edges with four equivalent U(1)Co4P8 cuboctahedra, edges with four equivalent Co(1)U4P4 tetrahedra, and faces with four equivalent Co(1)U4P4 tetrahedra. There are two inequivalent P sites. In the first P site, P(1) is bonded in a 8-coordinate geometry to four equivalent U(1) and four equivalent P(1) atoms. In the second P site, P(2) is bonded in a 8-coordinate geometry to four equivalent U(1) and four equivalent Co(1) atoms. is represented by the CIF card [CIF]
data_UCoP2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.706
_cell_length_b   3.706
_cell_length_c   9.171
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   125.949
_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
  U  U0  1  0.000  0.500  0.764  1.0
  U  U1  1  0.500  0.000  0.236  1.0
  Co  Co2  1  0.500  0.500  0.500  1.0
  Co  Co3  1  0.000  0.000  0.500  1.0
  P  P4  1  0.500  0.500  0.000  1.0
  P  P5  1  0.000  0.000  0.000  1.0
  P  P6  1  0.000  0.500  0.361  1.0
  P  P7  1  0.500  0.000  0.639  1.0
[/CIF]
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The compound described by UCoP2 is Parent of FeAs superconductors-derived structured and crystallizes in the tetragonal P4/nmm space group. U(1) is bonded to four equivalent Co(1), four equivalent P(1), and four equivalent P(2) atoms to form distorted UCo4P8 cuboctahedra that share corners with four equivalent U(1)Co4P8 cuboctahedra, corners with eight equivalent Co(1)U4P4 tetrahedra, edges with eight equivalent U(1)Co4P8 cuboctahedra, edges with four equivalent Co(1)U4P4 tetrahedra, and faces with four equivalent U(1)Co4P8 cuboctahedra. Co(1) is bonded to four equivalent U(1) and four equivalent P(2) atoms to form CoU4P4 tetrahedra that share corners with eight equivalent U(1)Co4P8 cuboctahedra, edges with four equivalent U(1)Co4P8 cuboctahedra, edges with four equivalent Co(1)U4P4 tetrahedra, and faces with four equivalent Co(1)U4P4 tetrahedra. There are two inequivalent P sites. In the first P site, P(1) is bonded in a 8-coordinate geometry to four equivalent U(1) and four equivalent P(1) atoms. In the second P site, P(2) is bonded in a 8-coordinate geometry to four equivalent U(1) and four equivalent Co(1) atoms. is represented by the CIF card [CIF]
data_UCoP2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.706
_cell_length_b   3.706
_cell_length_c   9.171
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   125.949
_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
  U  U0  1  0.000  0.500  0.764  1.0
  U  U1  1  0.500  0.000  0.236  1.0
  Co  Co2  1  0.500  0.500  0.500  1.0
  Co  Co3  1  0.000  0.000  0.500  1.0
  P  P4  1  0.500  0.500  0.000  1.0
  P  P5  1  0.000  0.000  0.000  1.0
  P  P6  1  0.000  0.500  0.361  1.0
  P  P7  1  0.500  0.000  0.639  1.0
[/CIF]
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