The material described by Ca crystallizes in the orthorhombic Cmce space group. Ca(1) is bonded to seven equivalent Ca(1) atoms to form a mixture of distorted corner and edge-sharing CaCa7 pentagonal bipyramids. is represented by the CIF file [CIF]
data_Ca
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.046
_cell_length_b   5.046
_cell_length_c   7.009
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   93.317
_symmetry_Int_Tables_number   1
_cell_volume   178.134
_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
  Ca  Ca0  1  0.662  0.338  0.303  1.0
  Ca  Ca1  1  0.338  0.662  0.697  1.0
  Ca  Ca2  1  0.838  0.162  0.803  1.0
  Ca  Ca3  1  0.162  0.838  0.197  1.0
[/CIF]
.
The material described by Ca crystallizes in the orthorhombic Cmce space group. Ca(1) is bonded to seven equivalent Ca(1) atoms to form a mixture of distorted corner and edge-sharing CaCa7 pentagonal bipyramids. is represented by the CIF file [CIF]
data_Ca
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.046
_cell_length_b   5.046
_cell_length_c   7.009
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   93.317
_symmetry_Int_Tables_number   1
_cell_volume   178.134
_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
  Ca  Ca0  1  0.662  0.338  0.303  1.0
  Ca  Ca1  1  0.338  0.662  0.697  1.0
  Ca  Ca2  1  0.838  0.162  0.803  1.0
  Ca  Ca3  1  0.162  0.838  0.197  1.0
[/CIF]
.