data_Be7Cr6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.08
_cell_length_b   8.08
_cell_length_c   8.08
_cell_angle_alpha   30.78
_cell_angle_beta   30.78
_cell_angle_gamma   30.78
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Be7Cr6
_chemical_formula_sum   'Be7 Cr6'
_cell_volume   122.31
_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
  Be  Be0  1  0.0  0.78  0.94  1.0
  Be  Be1  1  0.06  0.61  0.94  1.0
  Be  Be2  1  0.94  0.61  0.94  1.0
  Be  Be3  1  0.0  0.22  0.12  1.0
  Be  Be4  1  0.06  0.39  0.12  1.0
  Be  Be5  1  0.94  0.39  0.12  1.0
  Be  Be6  1  0.0  0.0  0.0  1.0
  Cr  Cr7  1  0.0  0.0  0.6  1.0
  Cr  Cr8  1  0.0  0.0  0.46  1.0
  Cr  Cr9  1  0.0  0.0  0.92  1.0
  Cr  Cr10  1  0.0  0.0  0.14  1.0
  Cr  Cr11  1  0.0  0.0  0.23  1.0
  Cr  Cr12  1  0.0  0.0  0.84  1.0

data_Be7Cr6
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.29
_cell_length_b   4.29
_cell_length_c   8.08
_cell_angle_alpha   74.61
_cell_angle_beta   74.61
_cell_angle_gamma   60.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Be7Cr6
_chemical_formula_sum   'Be7 Cr6'
_cell_volume   122.31
_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
  Be  Be0  1  0.0  0.0  0.0  1.0
  Be  Be1  1  0.22  0.06  0.72  1.0
  Be  Be2  1  0.39  0.06  0.61  1.0
  Be  Be3  1  0.39  0.06  0.49  1.0
  Be  Be4  1  0.61  0.88  0.57  1.0
  Be  Be5  1  0.61  0.88  0.45  1.0
  Be  Be6  1  0.78  0.88  0.34  1.0
  Cr  Cr7  1  0.0  0.08  0.92  1.0
  Cr  Cr8  1  0.0  0.16  0.84  1.0
  Cr  Cr9  1  0.0  0.4  0.6  1.0
  Cr  Cr10  1  0.0  0.54  0.46  1.0
  Cr  Cr11  1  0.0  0.77  0.23  1.0
  Cr  Cr12  1  0.0  0.86  0.14  1.0

Be Be Be Be Be Be Be Cr Cr Cr Cr Cr Cr