data_[Li4Cr4Si8O22]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Cr  1.6600  1.4000  0.9400
  Si  1.9000  1.1000  0.5400
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [7.1400]
_cell_length_b [7.8483]
_cell_length_c [8.8139]
_cell_angle_alpha [98.5703]
_cell_angle_beta [102.0712]
_cell_angle_gamma [108.7262]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [Li2Cr2Si4O11]
_chemical_formula_sum '[Li4 Cr4 Si8 O22]'
_cell_volume [444.7810]
_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
[
  Li  Li0  2  0.1576  0.7488  0.1531  1
  Li  Li1  2  0.3764  0.2235  0.7979  1
  Cr  Cr2  2  0.1188  0.3818  0.6141  1
  Cr  Cr3  2  0.3640  0.6140  0.4005  1
  Si  Si4  2  0.0449  0.7802  0.7688  1
  Si  Si5  2  0.2239  0.0270  0.3959  1
  Si  Si6  2  0.2429  0.3857  0.0353  1
  Si  Si7  2  0.4789  0.7824  0.7813  1
  O  O8  2  0.0111  0.0508  0.2934  1
  O  O9  2  0.0214  0.2567  0.0665  1
  O  O10  2  0.0724  0.4069  0.3728  1
  O  O11  2  0.1642  0.8132  0.4061  1
  O  O12  2  0.1905  0.3782  0.8488  1
  O  O13  2  0.2970  0.8496  0.8240  1
  O  O14  2  0.3282  0.5891  0.1571  1
  O  O15  2  0.3425  0.1874  0.5587  1
  O  O16  2  0.3637  0.0391  0.2627  1
  O  O17  2  0.3933  0.6016  0.6346  1
  O  O18  2  0.3971  0.2643  0.0602  1
]