data_[Sm1Sc1Ag2Se4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Sc  1.3600  1.6000  0.8850
  Ag  1.9300  1.6000  1.0867
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [7.0460]
_cell_length_b [4.1230]
_cell_length_c [7.1455]
_cell_angle_alpha [90.0000]
_cell_angle_beta [112.2065]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [SmSc(AgSe2)2]
_chemical_formula_sum '[Sm1 Sc1 Ag2 Se4]'
_cell_volume [192.1842]
_cell_formula_units_Z [1]
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
[
  Sm  Sm0  1  0.0000  0.5000  0.5000  1.0
  Sc  Sc1  1  0.0000  0.0000  0.0000  1.0
  Ag  Ag2  1  0.5000  0.0000  0.5000  1.0
  Ag  Ag3  1  0.5000  0.5000  0.0000  1.0
  Se  Se4  2  0.2390  0.5000  0.2412  1.0
  Se  Se5  2  0.2407  0.0000  0.7738  1.0
]