data_Be4Te5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.68
_cell_length_b   7.68
_cell_length_c   7.68
_cell_angle_alpha   93.47
_cell_angle_beta   93.47
_cell_angle_gamma   151.51
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Be4Te5
_chemical_formula_sum   'Be4 Te5'
_cell_volume   209.28
_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  0.24  0.0  1.0
  Be  Be1  1  0.0  0.28  0.0  1.0
  Be  Be2  1  0.28  0.0  0.0  1.0
  Be  Be3  1  0.24  0.0  0.0  1.0
  Te  Te4  1  0.0  0.0  0.0  1.0
  Te  Te5  1  0.15  0.85  0.89  1.0
  Te  Te6  1  0.85  0.15  0.89  1.0
  Te  Te7  1  0.42  0.42  0.0  1.0
  Te  Te8  1  0.85  0.85  0.89  1.0

data_Be4Te5
_symmetry_space_group_name_H-M   Cm
_cell_length_a   3.78
_cell_length_b   14.88
_cell_length_c   7.68
_cell_angle_alpha   90.0
_cell_angle_beta   104.24
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Be4Te5
_chemical_formula_sum   'Be8 Te10'
_cell_volume   418.57
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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  4  0.36  0.36  -0.0  1.0
  Be  Be1  4  0.38  0.38  -0.0  1.0
  Te  Te2  4  0.0  0.15  0.11  1.0
  Te  Te3  2  0.0  0.0  0.0  1.0
  Te  Te4  2  0.08  0.5  -0.0  1.0
  Te  Te5  2  0.15  0.0  0.11  1.0

Be Be Be Be Te Te Te Te Te
Be Be Be Be Te Te Te Te Te 0 1 o o o 0 6 - o - 1 6 - o - 2 3 o o o 2 5 o - - 3 5 o - - 4 8 - - - 4 7 o o o 