data_[Ca2Si2Sn2O10]
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
  Sn  1.9600  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [5.6333]
_cell_length_b [5.6444]
_cell_length_c [7.2642]
_cell_angle_alpha [103.9805]
_cell_angle_beta [103.7611]
_cell_angle_gamma [106.0574]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [CaSiSnO5]
_chemical_formula_sum '[Ca2 Si2 Sn2 O10]'
_cell_volume [203.5660]
_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  2  0.1608  0.8371  0.7541  1.0
  Si  Si1  2  0.1825  0.8185  0.2506  1.0
  Sn  Sn2  1  0.5000  0.5000  0.0000  1.0
  Sn  Sn3  1  0.5000  0.5000  0.5000  1.0
  O  O4  2  0.1059  0.2418  0.9129  1.0
  O  O5  2  0.1768  0.6026  0.3706  1.0
  O  O6  2  0.2402  0.1076  0.4114  1.0
  O  O7  2  0.3993  0.8243  0.1299  1.0
  O  O8  2  0.4111  0.5898  0.7506  1.0
]