data_MnCuW2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.85
_cell_length_b   3.85
_cell_length_c   3.71
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   MnCuW2
_chemical_formula_sum   'Mn1 Cu1 W2'
_cell_volume   54.99
_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  0.0  0.0  0.0  1.0
  Cu  Cu0  1  0.92  0.92  0.0  1.0
  W  W2  1  0.0  0.92  0.86  1.0
  W  W3  1  0.92  0.0  0.86  1.0

data_MnCuW2
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.44
_cell_length_b   5.44
_cell_length_c   3.71
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   MnCuW2
_chemical_formula_sum   'Mn2 Cu2 W4'
_cell_volume   109.98
_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
  Mn  Mn0  2  0.0  0.0  0.0  1.0
  Cu  Cu1  2  0.42  0.5  -0.0  1.0
  W  W2  4  0.46  0.46  0.86  1.0

Mn Cu W W
W2MnCu is alpha Po structured and crystallizes in the monoclinic Cm space group. The structure is zero-dimensional and consists of two W2MnCu clusters. W(1) is bonded in a 3-coordinate geometry to one W(1), one Mn(1), and one Cu(1) atom. The W(1)-W(1) bond length is 0.41 Å. The W(1)-Mn(1) bond length is 0.61 Å. The W(1)-Cu(1) bond length is 0.61 Å. Mn(1) is bonded in a 3-coordinate geometry to two equivalent W(1) and one Cu(1) atom. The Mn(1)-Cu(1) bond length is 0.41 Å. Cu(1) is bonded in a 3-coordinate geometry to two equivalent W(1) and one Mn(1) atom.