The compound described by PtCoO2 crystallizes in the triclinic P1 space group. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded to three equivalent O(2) and three equivalent O(8) atoms to form edge-sharing CoO6 octahedra. In the second Co site, Co(2) is bonded to three equivalent O(3) and three equivalent O(5) atoms to form edge-sharing CoO6 octahedra. In the third Co site, Co(3) is bonded to three equivalent O(4) and three equivalent O(6) atoms to form edge-sharing CoO6 octahedra. In the fourth Co site, Co(4) is bonded to three equivalent O(1) and three equivalent O(7) atoms to form edge-sharing CoO6 octahedra. There are four inequivalent Pt sites. In the first Pt site, Pt(1) is bonded in a linear geometry to one O(2) and one O(5) atom. In the second Pt site, Pt(2) is bonded in a linear geometry to one O(3) and one O(6) atom. In the third Pt site, Pt(3) is bonded in a linear geometry to one O(4) and one O(7) atom. In the fourth Pt site, Pt(4) is bonded in a linear geometry to one O(1) and one O(8) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted rectangular see-saw-like geometry to three equivalent Co(4) and one Pt(4) atom. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to three equivalent Co(1) and one Pt(1) atom. In the third O site, O(3) is bonded in a distorted rectangular see-saw-like geometry to three equivalent Co(2) and one Pt(2) atom. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like geometry to three equivalent Co(3) and one Pt(3) atom. In the fifth O site, O(5) is bonded in a distorted rectangular see-saw-like geometry to three equivalent Co(2) and one Pt(1) atom. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to three equivalent Co(3) and one Pt(2) atom. In the seventh O site, O(7) is bonded in a distorted rectangular see-saw-like geometry to three equivalent Co(4) and one Pt(3) atom. In the eighth O site, O(8) is bonded in a distorted rectangular see-saw-like geometry to three equivalent Co(1) and one Pt(4) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_CoPtO2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.912
_cell_length_b   24.615
_cell_length_c   2.921
_cell_angle_alpha   87.335
_cell_angle_beta   119.744
_cell_angle_gamma   89.649
_symmetry_Int_Tables_number   1
_cell_volume   181.492
_cell_formula_units_Z   4
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  0.373  0.875  0.747  1.0
  Co  Co1  1  0.629  0.125  0.254  1.0
  Co  Co2  1  0.876  0.375  0.753  1.0
  Co  Co3  1  0.121  0.625  0.245  1.0
  Pt  Pt4  1  0.012  0.000  0.012  1.0
  Pt  Pt5  1  0.253  0.250  0.504  1.0
  Pt  Pt6  1  0.499  0.500  0.999  1.0
  Pt  Pt7  1  0.737  0.750  0.486  1.0
  O  O8  1  0.768  0.669  0.541  1.0
  O  O9  1  0.036  0.919  0.058  1.0
  O  O10  1  0.277  0.169  0.551  1.0
  O  O11  1  0.524  0.419  0.049  1.0
  O  O12  1  0.981  0.081  0.958  1.0
  O  O13  1  0.228  0.331  0.457  1.0
  O  O14  1  0.474  0.581  0.950  1.0
  O  O15  1  0.711  0.831  0.437  1.0
[/CIF]
.
The compound described by PtCoO2 crystallizes in the triclinic P1 space group. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded to three equivalent O(2) and three equivalent O(8) atoms to form edge-sharing CoO6 octahedra. In the second Co site, Co(2) is bonded to three equivalent O(3) and three equivalent O(5) atoms to form edge-sharing CoO6 octahedra. In the third Co site, Co(3) is bonded to three equivalent O(4) and three equivalent O(6) atoms to form edge-sharing CoO6 octahedra. In the fourth Co site, Co(4) is bonded to three equivalent O(1) and three equivalent O(7) atoms to form edge-sharing CoO6 octahedra. There are four inequivalent Pt sites. In the first Pt site, Pt(1) is bonded in a linear geometry to one O(2) and one O(5) atom. In the second Pt site, Pt(2) is bonded in a linear geometry to one O(3) and one O(6) atom. In the third Pt site, Pt(3) is bonded in a linear geometry to one O(4) and one O(7) atom. In the fourth Pt site, Pt(4) is bonded in a linear geometry to one O(1) and one O(8) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted rectangular see-saw-like geometry to three equivalent Co(4) and one Pt(4) atom. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to three equivalent Co(1) and one Pt(1) atom. In the third O site, O(3) is bonded in a distorted rectangular see-saw-like geometry to three equivalent Co(2) and one Pt(2) atom. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like geometry to three equivalent Co(3) and one Pt(3) atom. In the fifth O site, O(5) is bonded in a distorted rectangular see-saw-like geometry to three equivalent Co(2) and one Pt(1) atom. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to three equivalent Co(3) and one Pt(2) atom. In the seventh O site, O(7) is bonded in a distorted rectangular see-saw-like geometry to three equivalent Co(4) and one Pt(3) atom. In the eighth O site, O(8) is bonded in a distorted rectangular see-saw-like geometry to three equivalent Co(1) and one Pt(4) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_CoPtO2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.912
_cell_length_b   24.615
_cell_length_c   2.921
_cell_angle_alpha   87.335
_cell_angle_beta   119.744
_cell_angle_gamma   89.649
_symmetry_Int_Tables_number   1
_cell_volume   181.492
_cell_formula_units_Z   4
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  0.373  0.875  0.747  1.0
  Co  Co1  1  0.629  0.125  0.254  1.0
  Co  Co2  1  0.876  0.375  0.753  1.0
  Co  Co3  1  0.121  0.625  0.245  1.0
  Pt  Pt4  1  0.012  0.000  0.012  1.0
  Pt  Pt5  1  0.253  0.250  0.504  1.0
  Pt  Pt6  1  0.499  0.500  0.999  1.0
  Pt  Pt7  1  0.737  0.750  0.486  1.0
  O  O8  1  0.768  0.669  0.541  1.0
  O  O9  1  0.036  0.919  0.058  1.0
  O  O10  1  0.277  0.169  0.551  1.0
  O  O11  1  0.524  0.419  0.049  1.0
  O  O12  1  0.981  0.081  0.958  1.0
  O  O13  1  0.228  0.331  0.457  1.0
  O  O14  1  0.474  0.581  0.950  1.0
  O  O15  1  0.711  0.831  0.437  1.0
[/CIF]
.