data_[Ti2Mn2Se8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ti  1.5400  1.4000  0.8517
  Mn  1.5500  1.4000  0.6483
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [14.7184]
_cell_length_b [3.4920]
_cell_length_c [6.0041]
_cell_angle_alpha [90.0000]
_cell_angle_beta [113.2823]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [TiMnSe4]
_chemical_formula_sum '[Ti2 Mn2 Se8]'
_cell_volume [283.4605]
_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
[
  Ti  Ti0  2  0.0000  0.5000  0.5000  1
  Mn  Mn1  2  0.0000  0.0000  0.0000  1
  Se  Se2  4  0.1112  0.5000  0.9518  1
  Se  Se3  4  0.1144  0.0000  0.4365  1
]