data_AsOsPb2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.98
_cell_length_b   4.98
_cell_length_c   4.98
_cell_angle_alpha   120.68
_cell_angle_beta   120.68
_cell_angle_gamma   88.83
_symmetry_Int_Tables_number   1
_chemical_formula_structural   AsOsPb2
_chemical_formula_sum   'As1 Os1 Pb2'
_cell_volume   86.19
_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
  As  As0  1  0.0  0.0  0.0  1.0
  Os  Os1  1  0.46  0.0  0.78  1.0
  Pb  Pb2  1  0.0  0.0  0.55  1.0
  Pb  Pb3  1  0.0  0.46  0.78  1.0

data_AsOsPb2
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.92
_cell_length_b   4.92
_cell_length_c   4.98
_cell_angle_alpha   119.66
_cell_angle_beta   119.66
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   AsOsPb2
_chemical_formula_sum   'As1 Os1 Pb2'
_cell_volume   86.19
_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
  As  As0  1  0.0  0.0  0.0  1.0
  Os  Os1  1  0.22  0.0  0.69  1.0
  Pb  Pb2  1  0.45  0.0  0.45  1.0
  Pb  Pb3  1  0.69  0.46  0.69  1.0

As Os Pb Pb
OsPb2As crystallizes in the triclinic P1 space group. Os(1) is bonded in a distorted linear geometry to one Pb(1) and one As(1) atom. The Os(1)-Pb(1) bond length is 1.98 Å. The Os(1)-As(1) bond length is 2.32 Å. There are two inequivalent Pb sites. In the first Pb site, Pb(1) is bonded in a 4-coordinate geometry to one Os(1), one Pb(2), and two equivalent As(1) atoms. The Pb(1)-Pb(2) bond length is 1.98 Å. There is one shorter (2.22 Å) and one longer (2.76 Å) Pb(1)-As(1) bond length. In the second Pb site, Pb(2) is bonded in a distorted linear geometry to one Pb(1) and one As(1) atom. The Pb(2)-As(1) bond length is 2.32 Å. As(1) is bonded in a 4-coordinate geometry to one Os(1), one Pb(2), and two equivalent Pb(1) atoms.