data_[Rb1Mg14Si1O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  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 [Pmmm]
_cell_length_a [4.5231]
_cell_length_b [8.4993]
_cell_length_c [8.7468]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [47]
_chemical_formula_structural [RbMg14SiO16]
_chemical_formula_sum '[Rb1 Mg14 Si1 O16]'
_cell_volume [336.2542]
_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
[
  Rb  Rb0  1  0.0000  0.5000  0.0000  1
  Mg  Mg1  4  0.0000  0.2508  0.2597  1
  Mg  Mg2  2  0.5000  0.0000  0.2506  1
  Mg  Mg3  2  0.5000  0.2496  0.0000  1
  Mg  Mg4  2  0.5000  0.2508  0.5000  1
  Mg  Mg5  2  0.5000  0.5000  0.2552  1
  Mg  Mg6  1  0.0000  0.0000  0.5000  1
  Mg  Mg7  1  0.0000  0.5000  0.5000  1
  Si  Si8  1  0.0000  0.0000  0.0000  1
  O  O9  4  0.5000  0.2492  0.2489  1
  O  O10  2  0.0000  0.0000  0.2438  1
  O  O11  2  0.0000  0.2039  0.0000  1
  O  O12  2  0.0000  0.2414  0.5000  1
  O  O13  2  0.0000  0.5000  0.2801  1
  O  O14  1  0.5000  0.0000  0.0000  1
  O  O15  1  0.5000  0.0000  0.5000  1
  O  O16  1  0.5000  0.5000  0.0000  1
  O  O17  1  0.5000  0.5000  0.5000  1
]