data_ZrOsRuRh
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.5
_cell_length_b   4.5
_cell_length_c   4.5
_cell_angle_alpha   60.0
_cell_angle_beta   60.0
_cell_angle_gamma   60.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   ZrOsRuRh
_chemical_formula_sum   'Zr1 Os1 Ru1 Rh1'
_cell_volume   64.36
_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
  Zr  Zr3  1  0.0  0.0  0.0  1.0
  Os  Os0  1  0.18  0.18  0.18  1.0
  Ru  Ru2  1  0.77  0.77  0.77  1.0
  Rh  Rh1  1  0.59  0.59  0.59  1.0

data_ZrOsRuRh
_symmetry_space_group_name_H-M   R3m
_cell_length_a   4.5
_cell_length_b   4.5
_cell_length_c   11.02
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   160
_chemical_formula_structural   ZrOsRuRh
_chemical_formula_sum   'Zr3 Os3 Ru3 Rh3'
_cell_volume   193.08
_cell_formula_units_Z   3
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-y, x-y, z'
  3  '-x+y, -x, z'
  4  '-y, -x, z'
  5  '-x+y, y, z'
  6  'x, x-y, z'
  7  'x+1/3, y+2/3, z+2/3'
  8  '-y+1/3, x-y+2/3, z+2/3'
  9  '-x+y+1/3, -x+2/3, z+2/3'
  10  '-y+1/3, -x+2/3, z+2/3'
  11  '-x+y+1/3, y+2/3, z+2/3'
  12  'x+1/3, x-y+2/3, z+2/3'
  13  'x+2/3, y+1/3, z+1/3'
  14  '-y+2/3, x-y+1/3, z+1/3'
  15  '-x+y+2/3, -x+1/3, z+1/3'
  16  '-y+2/3, -x+1/3, z+1/3'
  17  '-x+y+2/3, y+1/3, z+1/3'
  18  'x+2/3, x-y+1/3, z+1/3'
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
  Zr  Zr0  3  0.0  0.0  0.0  1.0
  Ru  Ru1  3  0.0  0.0  0.23  1.0
  Os  Os2  3  0.0  0.0  0.82  1.0
  Rh  Rh3  3  0.0  0.0  0.41  1.0

Zr Os Ru Rh
Zr Os Ru Rh 0 1 o o o 2 3 o o o 
ZrOsRuRh crystallizes in the trigonal R3m space group. Zr(1) is bonded in a 1-coordinate geometry to one Os(1), one Ru(1), and three equivalent Rh(1) atoms. The Zr(1)-Os(1) bond length is 1.99 Å. The Zr(1)-Ru(1) bond length is 2.52 Å. All Zr(1)-Rh(1) bond lengths are 2.73 Å. Os(1) is bonded in a single-bond geometry to one Zr(1) and three equivalent Rh(1) atoms. All Os(1)-Rh(1) bond lengths are 2.73 Å. Ru(1) is bonded in a distorted linear geometry to one Zr(1) and one Rh(1) atom. The Ru(1)-Rh(1) bond length is 1.99 Å. Rh(1) is bonded in a 7-coordinate geometry to three equivalent Zr(1), three equivalent Os(1), and one Ru(1) atom.