The material structure described by Ca(CuO2)2 crystallizes in the tetragonal I4_1/amd space group. Ca(1) is bonded in a 4-coordinate geometry to four equivalent O(1) atoms. Cu(1) is bonded in a square co-planar geometry to four equivalent O(1) atoms. O(1) is bonded in a trigonal non-coplanar geometry to one Ca(1) and two equivalent Cu(1) atoms. is represented by the CIF card [CIF]
data_Ca(CuO2)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.501
_cell_length_b   7.501
_cell_length_c   7.501
_cell_angle_alpha   136.720
_cell_angle_beta   136.720
_cell_angle_gamma   62.870
_symmetry_Int_Tables_number   1
_cell_volume   195.921
_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
  Ca  Ca0  1  0.500  0.500  0.000  1.0
  Ca  Ca1  1  0.250  0.750  0.500  1.0
  Cu  Cu2  1  0.875  0.125  0.250  1.0
  Cu  Cu3  1  0.375  0.125  0.250  1.0
  Cu  Cu4  1  0.875  0.625  0.750  1.0
  Cu  Cu5  1  0.875  0.125  0.750  1.0
  O  O6  1  0.659  0.880  0.779  1.0
  O  O7  1  0.120  0.900  0.779  1.0
  O  O8  1  0.120  0.341  0.221  1.0
  O  O9  1  0.091  0.370  0.721  1.0
  O  O10  1  0.650  0.370  0.279  1.0
  O  O11  1  0.630  0.350  0.721  1.0
  O  O12  1  0.100  0.880  0.221  1.0
  O  O13  1  0.630  0.909  0.279  1.0
[/CIF]
.
The material structure described by Ca(CuO2)2 crystallizes in the tetragonal I4_1/amd space group. Ca(1) is bonded in a 4-coordinate geometry to four equivalent O(1) atoms. Cu(1) is bonded in a square co-planar geometry to four equivalent O(1) atoms. O(1) is bonded in a trigonal non-coplanar geometry to one Ca(1) and two equivalent Cu(1) atoms. is represented by the CIF card [CIF]
data_Ca(CuO2)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.501
_cell_length_b   7.501
_cell_length_c   7.501
_cell_angle_alpha   136.720
_cell_angle_beta   136.720
_cell_angle_gamma   62.870
_symmetry_Int_Tables_number   1
_cell_volume   195.921
_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
  Ca  Ca0  1  0.500  0.500  0.000  1.0
  Ca  Ca1  1  0.250  0.750  0.500  1.0
  Cu  Cu2  1  0.875  0.125  0.250  1.0
  Cu  Cu3  1  0.375  0.125  0.250  1.0
  Cu  Cu4  1  0.875  0.625  0.750  1.0
  Cu  Cu5  1  0.875  0.125  0.750  1.0
  O  O6  1  0.659  0.880  0.779  1.0
  O  O7  1  0.120  0.900  0.779  1.0
  O  O8  1  0.120  0.341  0.221  1.0
  O  O9  1  0.091  0.370  0.721  1.0
  O  O10  1  0.650  0.370  0.279  1.0
  O  O11  1  0.630  0.350  0.721  1.0
  O  O12  1  0.100  0.880  0.221  1.0
  O  O13  1  0.630  0.909  0.279  1.0
[/CIF]
.