data_SrMnSi2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.11
_cell_length_b   3.68
_cell_length_c   6.65
_cell_angle_alpha   90.0
_cell_angle_beta   96.46
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SrMnSi2
_chemical_formula_sum   'Sr1 Mn1 Si2'
_cell_volume   75.55
_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  0.06  0.84  0.16  1.0
  Mn  Mn0  1  0.31  0.0  0.02  1.0
  Si  Si1  1  0.91  0.84  0.14  1.0
  Si  Si2  1  0.62  0.0  0.2  1.0

data_SrMnSi2
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.11
_cell_length_b   3.68
_cell_length_c   6.65
_cell_angle_alpha   90.0
_cell_angle_beta   96.46
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SrMnSi2
_chemical_formula_sum   'Sr1 Mn1 Si2'
_cell_volume   75.55
_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  0.06  0.84  0.16  1.0
  Mn  Mn1  1  0.31  0.0  0.02  1.0
  Si  Si2  1  0.62  0.0  0.2  1.0
  Si  Si3  1  0.91  0.84  0.14  1.0

Sr Mn Si Si