data_[Ca4Si4Mo4O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  Si  1.9000  1.1000  0.5400
  Mo  2.1600  1.4500  0.7750
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [6.7749]
_cell_length_b [8.9819]
_cell_length_c [7.3380]
_cell_angle_alpha [90.0000]
_cell_angle_beta [114.3306]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [CaSiMoO5]
_chemical_formula_sum '[Ca4 Si4 Mo4 O20]'
_cell_volume [406.8667]
_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  4  0.0000  0.3322  0.7500  1.0
  Si  Si1  4  0.0000  0.3198  0.2500  1.0
  Mo  Mo2  4  0.0000  0.0000  0.0000  1.0
  O  O3  8  0.1062  0.2181  0.1255  1.0
  O  O4  8  0.1790  0.4371  0.4054  1.0
  O  O5  4  0.0000  0.0800  0.7500  1.0
]