data_[Sm4Sn4F28]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Sn  1.9600  1.4500  0.8300
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [8.8511]
_cell_length_b [5.3755]
_cell_length_c [11.9893]
_cell_angle_alpha [90.0000]
_cell_angle_beta [117.8495]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [SmSnF7]
_chemical_formula_sum '[Sm4 Sn4 F28]'
_cell_volume [504.3716]
_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
[
  Sm  Sm0  4  0.3111  0.7387  0.2361  1
  Sn  Sn1  4  0.2277  0.2451  0.4578  1
  F  F2  4  0.0218  0.7105  0.1397  1
  F  F3  4  0.2019  0.0685  0.0892  1
  F  F4  4  0.2178  0.5586  0.3692  1
  F  F5  4  0.2244  0.5765  0.0379  1
  F  F6  4  0.2374  0.0724  0.3162  1
  F  F7  4  0.4593  0.1189  0.7753  1
  F  F8  4  0.4799  0.2371  0.5504  1
]