The compound described by MgCrPtO2 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a 6-coordinate geometry to three equivalent Pt(1) and three equivalent O(2) atoms. Cr(1) is bonded to three equivalent O(1) and three equivalent O(2) atoms to form edge-sharing CrO6 octahedra. Pt(1) is bonded in a 4-coordinate geometry to three equivalent Mg(1) and one O(1) atom. There are two inequivalent O sites. In the first O site, O(1) is bonded to three equivalent Cr(1) and one Pt(1) atom to form distorted OCr3Pt tetrahedra that share corners with three equivalent O(2)Mg3Cr3 pentagonal pyramids, corners with six equivalent O(1)Cr3Pt tetrahedra, and edges with three equivalent O(2)Mg3Cr3 pentagonal pyramids. In the second O site, O(2) is bonded to three equivalent Mg(1) and three equivalent Cr(1) atoms to form distorted OMg3Cr3 pentagonal pyramids that share corners with three equivalent O(1)Cr3Pt tetrahedra, edges with six equivalent O(2)Mg3Cr3 pentagonal pyramids, and edges with three equivalent O(1)Cr3Pt tetrahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_MgCrPtO2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.957
_cell_length_b   8.369
_cell_length_c   2.951
_cell_angle_alpha   100.352
_cell_angle_beta   59.999
_cell_angle_gamma   99.942
_symmetry_Int_Tables_number   1
_cell_volume   61.918
_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
  Mg  Mg0  1  0.610  0.800  0.590  1.0
  Cr  Cr1  1  0.485  0.464  0.492  1.0
  Pt  Pt2  1  0.024  0.044  0.005  1.0
  O  O3  1  0.116  0.350  0.118  1.0
  O  O4  1  0.870  0.623  0.879  1.0
[/CIF]
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The compound described by MgCrPtO2 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a 6-coordinate geometry to three equivalent Pt(1) and three equivalent O(2) atoms. Cr(1) is bonded to three equivalent O(1) and three equivalent O(2) atoms to form edge-sharing CrO6 octahedra. Pt(1) is bonded in a 4-coordinate geometry to three equivalent Mg(1) and one O(1) atom. There are two inequivalent O sites. In the first O site, O(1) is bonded to three equivalent Cr(1) and one Pt(1) atom to form distorted OCr3Pt tetrahedra that share corners with three equivalent O(2)Mg3Cr3 pentagonal pyramids, corners with six equivalent O(1)Cr3Pt tetrahedra, and edges with three equivalent O(2)Mg3Cr3 pentagonal pyramids. In the second O site, O(2) is bonded to three equivalent Mg(1) and three equivalent Cr(1) atoms to form distorted OMg3Cr3 pentagonal pyramids that share corners with three equivalent O(1)Cr3Pt tetrahedra, edges with six equivalent O(2)Mg3Cr3 pentagonal pyramids, and edges with three equivalent O(1)Cr3Pt tetrahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_MgCrPtO2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.957
_cell_length_b   8.369
_cell_length_c   2.951
_cell_angle_alpha   100.352
_cell_angle_beta   59.999
_cell_angle_gamma   99.942
_symmetry_Int_Tables_number   1
_cell_volume   61.918
_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
  Mg  Mg0  1  0.610  0.800  0.590  1.0
  Cr  Cr1  1  0.485  0.464  0.492  1.0
  Pt  Pt2  1  0.024  0.044  0.005  1.0
  O  O3  1  0.116  0.350  0.118  1.0
  O  O4  1  0.870  0.623  0.879  1.0
[/CIF]
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