data_MnP
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.74
_cell_length_b   4.2
_cell_length_c   3.87
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   MnP
_chemical_formula_sum   'Mn2 P2'
_cell_volume   44.51
_cell_formula_units_Z   2
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  0.37  0.0  0.4  1.0
  Mn  Mn1  1  0.0  0.1  0.48  1.0
  P  P2  1  0.0  0.0  0.46  1.0
  P  P3  1  0.37  0.1  0.41  1.0

data_MnP
_symmetry_space_group_name_H-M   P-1
_cell_length_a   2.74
_cell_length_b   3.87
_cell_length_c   4.2
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   2
_chemical_formula_structural   MnP
_chemical_formula_sum   'Mn2 P2'
_cell_volume   44.51
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-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  2  0.32  0.54  0.55  1.0
  P  P1  2  0.32  0.52  0.45  1.0

Mn Mn P P
MnP crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of two phosphanylidynemanganese molecules. Mn(1) is bonded in a single-bond geometry to one P(1) atom. The Mn(1)-P(1) bond length is 0.43 Å. P(1) is bonded in a single-bond geometry to one Mn(1) atom.