data_[Ba2Sr3Ca1Mg2Si4O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Sr  0.9500  2.0000  1.3200
  Ca  1.0000  1.8000  1.1400
  Mg  1.3100  1.5000  0.8600
  Si  1.9000  1.1000  0.5400
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pm]
_cell_length_a [7.0465]
_cell_length_b [5.5449]
_cell_length_c [9.6005]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0025]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [6]
_chemical_formula_structural [Ba2Sr3CaMg2(SiO4)4]
_chemical_formula_sum '[Ba2 Sr3 Ca1 Mg2 Si4 O16]'
_cell_volume [375.1096]
_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
[
  Ba  Ba0  1  0.4993  0.0000  0.4996  1
  Ba  Ba1  1  0.4997  0.5000  0.0004  1
  Sr  Sr2  1  0.1624  0.0000  0.8333  1
  Sr  Sr3  1  0.8380  0.5000  0.6659  1
  Sr  Sr4  1  0.8385  0.0000  0.1674  1
  Ca  Ca5  1  0.1687  0.5000  0.3335  1
  Mg  Mg6  1  0.0001  0.5000  0.0013  1
  Mg  Mg7  1  0.0002  0.0000  0.4987  1
  Si  Si8  1  0.2708  0.5000  0.6651  1
  Si  Si9  1  0.2709  0.0000  0.1682  1
  Si  Si10  1  0.7273  0.5000  0.3333  1
  Si  Si11  1  0.7295  0.0000  0.8334  1
  O  O12  2  0.1771  0.2393  0.0902  1
  O  O13  2  0.1772  0.2637  0.5846  1
  O  O14  2  0.8222  0.2630  0.4122  1
  O  O15  2  0.8232  0.2376  0.9127  1
  O  O16  1  0.1771  0.5000  0.8240  1
  O  O17  1  0.1772  0.0000  0.3263  1
  O  O18  1  0.4955  0.5000  0.3333  1
  O  O19  1  0.4996  0.5000  0.6664  1
  O  O20  1  0.4997  0.0000  0.1668  1
  O  O21  1  0.5005  0.0000  0.8334  1
  O  O22  1  0.8221  0.5000  0.1754  1
  O  O23  1  0.8233  0.0000  0.6748  1
]