data_MnCrRuPb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.52
_cell_length_b   4.52
_cell_length_c   4.52
_cell_angle_alpha   60.0
_cell_angle_beta   60.0
_cell_angle_gamma   60.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   MnCrRuPb
_chemical_formula_sum   'Mn1 Cr1 Ru1 Pb1'
_cell_volume   65.34
_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  0.2  0.2  0.2  1.0
  Cr  Cr0  1  0.0  0.0  0.0  1.0
  Ru  Ru3  1  0.8  0.8  0.8  1.0
  Pb  Pb2  1  0.6  0.6  0.6  1.0

data_MnCrRuPb
_symmetry_space_group_name_H-M   R3m
_cell_length_a   4.52
_cell_length_b   4.52
_cell_length_c   11.07
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   160
_chemical_formula_structural   MnCrRuPb
_chemical_formula_sum   'Mn3 Cr3 Ru3 Pb3'
_cell_volume   196.02
_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
  Mn  Mn0  3  0.0  0.0  0.8  1.0
  Cr  Cr1  3  0.0  0.0  0.0  1.0
  Ru  Ru2  3  0.0  0.0  0.2  1.0
  Pb  Pb3  3  0.0  0.0  0.4  1.0

Mn Cr Ru Pb
CrMnRuPb crystallizes in the trigonal R3m space group. Cr(1) is bonded in a 5-coordinate geometry to one Mn(1), one Ru(1), and three equivalent Pb(1) atoms. The Cr(1)-Mn(1) bond length is 2.18 Å. The Cr(1)-Ru(1) bond length is 2.27 Å. All Cr(1)-Pb(1) bond lengths are 2.72 Å. Mn(1) is bonded in a 7-coordinate geometry to one Cr(1), three equivalent Ru(1), and three equivalent Pb(1) atoms. All Mn(1)-Ru(1) bond lengths are 2.72 Å. All Mn(1)-Pb(1) bond lengths are 2.72 Å. Ru(1) is bonded in a 5-coordinate geometry to one Cr(1), three equivalent Mn(1), and one Pb(1) atom. The Ru(1)-Pb(1) bond length is 2.18 Å. Pb(1) is bonded in a 7-coordinate geometry to three equivalent Cr(1), three equivalent Mn(1), and one Ru(1) atom.