The crystal structure described by Ca is Protactinium structured and crystallizes in the tetragonal P4_12_12 space group. Ca(1) is bonded in a distorted q6 geometry to ten equivalent Ca(1) atoms. is represented by the CIF file [CIF]
data_Ca
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.797
_cell_length_b   3.797
_cell_length_c   3.797
_cell_angle_alpha   106.171
_cell_angle_beta   106.171
_cell_angle_gamma   116.295
_symmetry_Int_Tables_number   1
_cell_volume   41.694
_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
  Ca  Ca0  1  0.750  0.250  0.500  1.0
[/CIF]
.
The crystal structure described by Ca is Protactinium structured and crystallizes in the tetragonal P4_12_12 space group. Ca(1) is bonded in a distorted q6 geometry to ten equivalent Ca(1) atoms. is represented by the CIF file [CIF]
data_Ca
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.797
_cell_length_b   3.797
_cell_length_c   3.797
_cell_angle_alpha   106.171
_cell_angle_beta   106.171
_cell_angle_gamma   116.295
_symmetry_Int_Tables_number   1
_cell_volume   41.694
_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
  Ca  Ca0  1  0.750  0.250  0.500  1.0
[/CIF]
.