data_[Mg1Fe2Si2Sb1O9]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Fe  1.8300  1.4000  0.8525
  Si  1.9000  1.1000  0.5400
  Sb  2.0500  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P1]
_cell_length_a [5.2817]
_cell_length_b [5.2908]
_cell_length_c [8.3789]
_cell_angle_alpha [95.1858]
_cell_angle_beta [96.3152]
_cell_angle_gamma [119.2351]
_symmetry_Int_Tables_number [1]
_chemical_formula_structural [MgFe2Si2SbO9]
_chemical_formula_sum '[Mg1 Fe2 Si2 Sb1 O9]'
_cell_volume [200.2566]
_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
[
  Mg  Mg0  1  0.0062  0.0076  0.0687  1.0
  Fe  Fe1  1  0.3432  0.6708  0.9995  1.0
  Fe  Fe2  1  0.6667  0.3502  0.0040  1.0
  Si  Si3  1  0.1290  0.4712  0.3620  1.0
  Si  Si4  1  0.4725  0.1354  0.3625  1.0
  Sb  Sb5  1  0.9190  0.9201  0.7295  1.0
  O  O6  1  0.0409  0.3899  0.1637  1.0
  O  O7  1  0.2754  0.2518  0.8758  1.0
  O  O8  1  0.3150  0.3161  0.4299  1.0
  O  O9  1  0.3260  0.8237  0.4346  1.0
  O  O10  1  0.4042  0.0638  0.1637  1.0
  O  O11  1  0.6830  0.9966  0.8812  1.0
  O  O12  1  0.6842  0.6709  0.1376  1.0
  O  O13  1  0.8251  0.3287  0.4410  1.0
  O  O14  1  0.9637  0.6573  0.8802  1.0
]