data_[Mg2Mn4Si8O24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Mn  1.5500  1.4000  0.6483
  Si  1.9000  1.1000  0.5400
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2]
_cell_length_a [9.6476]
_cell_length_b [8.6104]
_cell_length_c [5.4462]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.3013]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [5]
_chemical_formula_structural [MgMn2(SiO3)4]
_chemical_formula_sum '[Mg2 Mn4 Si8 O24]'
_cell_volume [429.5310]
_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
[
  Mg  Mg0  2  0.0000  0.6987  0.5000  1.0
  Mn  Mn1  2  0.0000  0.0732  0.5000  1.0
  Mn  Mn2  2  0.0000  0.8880  0.0000  1.0
  Si  Si3  4  0.1992  0.3869  0.4738  1.0
  Si  Si4  4  0.2010  0.5626  0.9806  1.0
  O  O5  4  0.1197  0.8872  0.4254  1.0
  O  O6  4  0.1211  0.7314  0.9064  1.0
  O  O7  4  0.1214  0.0505  0.9184  1.0
  O  O8  4  0.1391  0.4766  0.1925  1.0
  O  O9  4  0.1397  0.4902  0.6793  1.0
  O  O10  4  0.1442  0.2110  0.4629  1.0
]