[CIF]
data_Ca2As
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.62551181
_cell_length_b   6.62551181
_cell_length_c   7.84631663
_cell_angle_alpha   117.51047252
_cell_angle_beta   117.51047252
_cell_angle_gamma   37.44999312
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ca2As
_chemical_formula_sum   'Ca4 As2'
_cell_volume   182.83951106
_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
  As  As0  1  7.33734614  0.00000000  5.57279159  1
  As  As1  1  1.38545300  0.00000000  1.27701781  1
  Ca  Ca2  1  4.80879910  0.00000000  0.83351758  1
  Ca  Ca3  1  -0.07207797  -0.00000000  3.91373172  1
  Ca  Ca4  1  8.79487712  0.00000000  2.93607768  1
  Ca  Ca5  1  3.91400004  -0.00000000  6.01629182  1
[/CIF]
