The material described by LuCr2O2 crystallizes in the tetragonal I4_1/amd space group. Lu(1) is bonded in a linear geometry to two equivalent O(1) atoms. Cr(1) is bonded in a 3-coordinate geometry to three equivalent O(1) atoms. O(1) is bonded in a distorted rectangular see-saw-like geometry to one Lu(1) and three equivalent Cr(1) atoms. is represented by the CIF card [CIF]
data_LuCr2O2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.882
_cell_length_b   7.882
_cell_length_c   7.882
_cell_angle_alpha   110.832
_cell_angle_beta   110.832
_cell_angle_gamma   106.782
_symmetry_Int_Tables_number   1
_cell_volume   376.387
_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
  Lu  Lu0  1  0.875  0.125  0.250  1.0
  Lu  Lu1  1  0.875  0.625  0.750  1.0
  Lu  Lu2  1  0.375  0.125  0.250  1.0
  Lu  Lu3  1  0.875  0.125  0.750  1.0
  Cr  Cr4  1  0.520  0.215  0.694  1.0
  Cr  Cr5  1  0.520  0.826  0.306  1.0
  Cr  Cr6  1  0.576  0.770  0.806  1.0
  Cr  Cr7  1  0.230  0.424  0.194  1.0
  Cr  Cr8  1  0.230  0.035  0.806  1.0
  Cr  Cr9  1  0.965  0.770  0.194  1.0
  Cr  Cr10  1  0.174  0.480  0.694  1.0
  Cr  Cr11  1  0.785  0.480  0.306  1.0
  O  O12  1  0.675  0.524  0.849  1.0
  O  O13  1  0.675  0.826  0.151  1.0
  O  O14  1  0.576  0.925  0.651  1.0
  O  O15  1  0.075  0.424  0.349  1.0
  O  O16  1  0.075  0.726  0.651  1.0
  O  O17  1  0.274  0.925  0.349  1.0
  O  O18  1  0.174  0.325  0.849  1.0
  O  O19  1  0.476  0.325  0.151  1.0
[/CIF]
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The material described by LuCr2O2 crystallizes in the tetragonal I4_1/amd space group. Lu(1) is bonded in a linear geometry to two equivalent O(1) atoms. Cr(1) is bonded in a 3-coordinate geometry to three equivalent O(1) atoms. O(1) is bonded in a distorted rectangular see-saw-like geometry to one Lu(1) and three equivalent Cr(1) atoms. is represented by the CIF card [CIF]
data_LuCr2O2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.882
_cell_length_b   7.882
_cell_length_c   7.882
_cell_angle_alpha   110.832
_cell_angle_beta   110.832
_cell_angle_gamma   106.782
_symmetry_Int_Tables_number   1
_cell_volume   376.387
_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
  Lu  Lu0  1  0.875  0.125  0.250  1.0
  Lu  Lu1  1  0.875  0.625  0.750  1.0
  Lu  Lu2  1  0.375  0.125  0.250  1.0
  Lu  Lu3  1  0.875  0.125  0.750  1.0
  Cr  Cr4  1  0.520  0.215  0.694  1.0
  Cr  Cr5  1  0.520  0.826  0.306  1.0
  Cr  Cr6  1  0.576  0.770  0.806  1.0
  Cr  Cr7  1  0.230  0.424  0.194  1.0
  Cr  Cr8  1  0.230  0.035  0.806  1.0
  Cr  Cr9  1  0.965  0.770  0.194  1.0
  Cr  Cr10  1  0.174  0.480  0.694  1.0
  Cr  Cr11  1  0.785  0.480  0.306  1.0
  O  O12  1  0.675  0.524  0.849  1.0
  O  O13  1  0.675  0.826  0.151  1.0
  O  O14  1  0.576  0.925  0.651  1.0
  O  O15  1  0.075  0.424  0.349  1.0
  O  O16  1  0.075  0.726  0.651  1.0
  O  O17  1  0.274  0.925  0.349  1.0
  O  O18  1  0.174  0.325  0.849  1.0
  O  O19  1  0.476  0.325  0.151  1.0
[/CIF]
.