data_[K4Sm2Ge4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Sm  1.1700  1.8500  1.2290
  Ge  2.0100  1.2500  0.7700
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [10.4504]
_cell_length_b [6.1318]
_cell_length_c [7.0331]
_cell_angle_alpha [90.0000]
_cell_angle_beta [121.5404]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K2Sm(GeO3)2]
_chemical_formula_sum '[K4 Sm2 Ge4 O12]'
_cell_volume [384.0991]
_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
[
  K  K0  4  0.2055  0.5000  0.1692  1
  Sm  Sm1  2  0.0000  0.5000  0.5000  1
  Ge  Ge2  4  0.0484  0.0000  0.2147  1
  O  O3  8  0.0357  0.2397  0.7656  1
  O  O4  4  0.2437  0.0000  0.3587  1
]