data_SrC3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.36
_cell_length_b   4.36
_cell_length_c   4.36
_cell_angle_alpha   133.13
_cell_angle_beta   99.47
_cell_angle_gamma   98.74
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SrC3
_chemical_formula_sum   'Sr1 C3'
_cell_volume   55.31
_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
  Sr  Sr3  1  0.0  0.81  0.0  1.0
  C  C0  1  0.0  0.13  0.84  1.0
  C  C1  1  0.73  0.68  0.0  1.0
  C  C2  1  0.0  0.0  0.0  1.0

data_SrC3
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.46
_cell_length_b   4.36
_cell_length_c   4.36
_cell_angle_alpha   80.53
_cell_angle_beta   66.56
_cell_angle_gamma   66.56
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SrC3
_chemical_formula_sum   'Sr1 C3'
_cell_volume   55.31
_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
  Sr  Sr0  1  0.81  0.0  0.19  1.0
  C  C1  1  0.0  0.0  0.0  1.0
  C  C2  1  0.13  0.0  0.7  1.0
  C  C3  1  0.68  0.27  0.32  1.0

Sr C C C