data_[Sr4H8Se8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  H  2.2000  0.2500  0.0000
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [10.1559]
_cell_length_b [4.8061]
_cell_length_c [9.5051]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.6445]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Sr(HSe)2]
_chemical_formula_sum '[Sr4 H8 Se8]'
_cell_volume [436.9394]
_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
[
  Sr  Sr0  4  0.0000  0.3060  0.2500  1
  H  H1  8  0.1103  0.0449  0.0288  1
  Se  Se2  8  0.1588  0.1970  0.6335  1
]