data_[Cu4Si1Ge3O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cu  1.9000  1.3500  0.8200
  Si  1.9000  1.1000  0.5400
  Ge  2.0100  1.2500  0.7700
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pmm2]
_cell_length_a [2.9441]
_cell_length_b [17.4577]
_cell_length_c [4.8529]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [25]
_chemical_formula_structural [Cu4Si(GeO4)3]
_chemical_formula_sum '[Cu4 Si1 Ge3 O12]'
_cell_volume [249.4261]
_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
[
  Cu  Cu0  2  0.0000  0.1227  0.5108  1.0
  Cu  Cu1  2  0.0000  0.3748  0.4998  1.0
  Si  Si2  1  0.5000  0.0000  0.9038  1.0
  Ge  Ge3  2  0.5000  0.2484  0.0870  1.0
  Ge  Ge4  1  0.5000  0.5000  0.9182  1.0
  O  O5  2  0.0000  0.2490  0.8750  1.0
  O  O6  2  0.5000  0.0783  0.7189  1.0
  O  O7  2  0.5000  0.1657  0.2965  1.0
  O  O8  2  0.5000  0.3332  0.2842  1.0
  O  O9  2  0.5000  0.4164  0.7149  1.0
  O  O10  1  0.0000  0.0000  0.0746  1.0
  O  O11  1  0.0000  0.5000  0.1289  1.0
]