data_SrBe2Tl
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.27
_cell_length_b   4.27
_cell_length_c   6.06
_cell_angle_alpha   109.61
_cell_angle_beta   109.61
_cell_angle_gamma   57.84
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SrBe2Tl
_chemical_formula_sum   'Sr1 Be2 Tl1'
_cell_volume   86.53
_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  Sr2  1  0.0  0.0  0.0  1.0
  Be  Be0  1  0.0  0.0  0.34  1.0
  Be  Be1  1  0.16  0.0  0.26  1.0
  Tl  Tl3  1  0.58  0.0  0.8  1.0

data_SrBe2Tl
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.13
_cell_length_b   4.27
_cell_length_c   6.06
_cell_angle_alpha   109.61
_cell_angle_beta   90.0
_cell_angle_gamma   118.92
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SrBe2Tl
_chemical_formula_sum   'Sr1 Be2 Tl1'
_cell_volume   86.53
_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  0.0  0.0  1.0
  Be  Be1  1  0.0  0.84  0.74  1.0
  Be  Be2  1  0.0  1.0  0.66  1.0
  Tl  Tl3  1  0.0  0.42  0.2  1.0

Sr Be Be Tl