data_BeHgOs2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.88
_cell_length_b   2.88
_cell_length_c   6.97
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   BeHgOs2
_chemical_formula_sum   'Be1 Hg1 Os2'
_cell_volume   57.7
_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
  Be  Be0  1  0.0  0.0  0.0  1.0
  Hg  Hg1  1  0.0  0.0  0.48  1.0
  Os  Os2  1  0.44  0.44  0.72  1.0
  Os  Os3  1  0.44  0.44  0.25  1.0

data_BeHgOs2
_symmetry_space_group_name_H-M   Cm
_cell_length_a   4.07
_cell_length_b   4.07
_cell_length_c   6.97
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   BeHgOs2
_chemical_formula_sum   'Be2 Hg2 Os4'
_cell_volume   115.41
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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
  Be  Be0  2  0.0  0.0  0.0  1.0
  Hg  Hg1  2  0.0  0.0  0.48  1.0
  Os  Os2  2  0.44  0.0  0.25  1.0
  Os  Os3  2  0.44  0.0  0.72  1.0

Be Hg Os Os
Be Hg Os Os 0 2 - - - 0 2 - o - 0 2 o - - 0 2 o o - 0 3 - - o 0 3 - o o 0 3 o - o 0 3 o o o 0 0 + o o 0 0 o + o 1 3 - - o 1 3 - o o 1 3 o - o 1 3 o o o 1 2 - - o 1 2 - o o 1 2 o - o 1 2 o o o 1 1 + o o 1 1 o + o 2 2 + o o 2 2 o + o 3 3 + o o 3 3 o + o 
BeOs2Hg crystallizes in the monoclinic Cm space group. Be(1) is bonded in a 8-coordinate geometry to four equivalent Os(1) and four equivalent Os(2) atoms. There are a spread of Be(1)-Os(1) bond distances ranging from 2.64-3.00 Å. There are a spread of Be(1)-Os(2) bond distances ranging from 2.49-2.87 Å. There are two inequivalent Os sites. In the first Os site, Os(1) is bonded in a 8-coordinate geometry to four equivalent Be(1) and four equivalent Hg(1) atoms. There are a spread of Os(1)-Hg(1) bond distances ranging from 2.43-2.81 Å. In the second Os site, Os(2) is bonded in a 8-coordinate geometry to four equivalent Be(1) and four equivalent Hg(1) atoms. There are a spread of Os(2)-Hg(1) bond distances ranging from 2.43-2.81 Å. Hg(1) is bonded in a 8-coordinate geometry to four equivalent Os(1) and four equivalent Os(2) atoms.