data_NaMnAu2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.88
_cell_length_b   4.88
_cell_length_c   3.03
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   NaMnAu2
_chemical_formula_sum   'Na1 Mn1 Au2'
_cell_volume   72.32
_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
  Na  Na3  1  0.0  0.0  0.0  1.0
  Mn  Mn2  1  0.44  0.44  0.0  1.0
  Au  Au0  1  0.0  0.44  0.52  1.0
  Au  Au1  1  0.44  0.0  0.52  1.0

data_NaMnAu2
_symmetry_space_group_name_H-M   Amm2
_cell_length_a   3.03
_cell_length_b   6.91
_cell_length_c   6.91
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   38
_chemical_formula_structural   NaMnAu2
_chemical_formula_sum   'Na2 Mn2 Au4'
_cell_volume   144.64
_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, y, z'
  4  'x, -y, z'
  5  'x, y+1/2, z+1/2'
  6  '-x, -y+1/2, z+1/2'
  7  '-x, y+1/2, z+1/2'
  8  'x, -y+1/2, z+1/2'
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
  Na  Na0  2  0.0  0.0  0.0  1.0
  Mn  Mn1  2  0.0  0.0  0.44  1.0
  Au  Au2  4  0.5  0.22  0.22  1.0

Na Mn Au Au
NaMnAu2 is alpha iridium vanadium-derived structured and crystallizes in the monoclinic Cm space group. Na(1) is bonded in a 8-coordinate geometry to eight equivalent Au(1) atoms. There are a spread of Na(1)-Au(1) bond distances ranging from 2.61-3.14 Å. Mn(1) is bonded in a 8-coordinate geometry to eight equivalent Au(1) atoms. There are a spread of Mn(1)-Au(1) bond distances ranging from 2.61-3.14 Å. Au(1) is bonded in a 8-coordinate geometry to four equivalent Na(1) and four equivalent Mn(1) atoms.