data_[K4Mn2As4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Mn  1.5500  1.4000  0.6483
  As  2.1800  1.1500  0.6600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [10.1691]
_cell_length_b [5.8758]
_cell_length_c [6.8512]
_cell_angle_alpha [90.0000]
_cell_angle_beta [121.0689]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K2Mn(AsO3)2]
_chemical_formula_sum '[K4 Mn2 As4 O12]'
_cell_volume [350.6474]
_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  0.2090  0.5000  0.1872  1.0
  Mn  Mn1  2  0.0000  0.5000  0.5000  1.0
  As  As2  4  0.0474  0.0000  0.2080  1.0
  O  O3  8  0.0325  0.2438  0.7560  1.0
  O  O4  4  0.2437  0.0000  0.3605  1.0
]