data_SrBeSn2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.58
_cell_length_b   4.58
_cell_length_c   6.47
_cell_angle_alpha   104.28
_cell_angle_beta   104.28
_cell_angle_gamma   54.77
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SrBeSn2
_chemical_formula_sum   'Sr1 Be1 Sn2'
_cell_volume   106.33
_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
  Sr  Sr3  1  0.16  0.0  0.11  1.0
  Be  Be0  1  0.0  0.0  0.0  1.0
  Sn  Sn1  1  0.67  0.0  0.96  1.0
  Sn  Sn2  1  0.66  0.0  0.26  1.0

data_SrBeSn2
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.21
_cell_length_b   4.58
_cell_length_c   6.47
_cell_angle_alpha   104.28
_cell_angle_beta   90.0
_cell_angle_gamma   117.39
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SrBeSn2
_chemical_formula_sum   'Sr1 Be1 Sn2'
_cell_volume   106.33
_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
  Sr  Sr0  1  0.0  0.84  0.89  1.0
  Be  Be1  1  0.0  0.0  0.0  1.0
  Sn  Sn2  1  0.0  0.33  0.04  1.0
  Sn  Sn3  1  0.0  0.34  0.74  1.0

Sr Be Sn Sn
Sr Be Sn Sn 0 1 o o o 0 3 o o o 1 2 - o - 2 3 o o + 