data_Mn2SiAs
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.15
_cell_length_b   4.15
_cell_length_c   4.68
_cell_angle_alpha   100.2
_cell_angle_beta   100.2
_cell_angle_gamma   41.17
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Mn2SiAs
_chemical_formula_sum   'Mn2 Si1 As1'
_cell_volume   51.94
_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
  Mn  Mn1  1  0.56  0.0  0.12  1.0
  Mn  Mn2  1  0.31  0.0  0.47  1.0
  Si  Si3  1  0.0  0.0  0.0  1.0
  As  As0  1  0.44  0.0  0.3  1.0

data_Mn2SiAs
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.91
_cell_length_b   4.15
_cell_length_c   4.68
_cell_angle_alpha   100.2
_cell_angle_beta   90.0
_cell_angle_gamma   110.59
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Mn2SiAs
_chemical_formula_sum   'Mn2 Si1 As1'
_cell_volume   51.94
_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
  Mn  Mn0  1  0.0  0.44  0.88  1.0
  Mn  Mn1  1  0.0  0.69  0.53  1.0
  Si  Si2  1  0.0  0.0  0.0  1.0
  As  As3  1  0.0  0.56  0.7  1.0

Mn Mn Si As