data_ZnCrW
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.18
_cell_length_b   4.18
_cell_length_c   4.18
_cell_angle_alpha   60.0
_cell_angle_beta   60.0
_cell_angle_gamma   60.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   ZnCrW
_chemical_formula_sum   'Zn1 Cr1 W1'
_cell_volume   51.52
_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
  Zn  Zn2  1  0.95  0.95  0.95  1.0
  Cr  Cr0  1  0.0  0.0  0.0  1.0
  W  W1  1  0.43  0.43  0.43  1.0

data_ZnCrW
_symmetry_space_group_name_H-M   R3m
_cell_length_a   4.18
_cell_length_b   4.18
_cell_length_c   10.23
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   160
_chemical_formula_structural   ZnCrW
_chemical_formula_sum   'Zn3 Cr3 W3'
_cell_volume   154.57
_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
  Zn  Zn0  3  0.0  0.0  0.05  1.0
  Cr  Cr1  3  0.0  0.0  0.0  1.0
  W  W2  3  0.0  0.0  0.57  1.0

Zn Cr W
WCrZn crystallizes in the trigonal R3m space group. W(1) is bonded to three equivalent Cr(1) and three equivalent Zn(1) atoms to form distorted WZn3Cr3 octahedra that share corners with three equivalent Cr(1)ZnW3 tetrahedra and edges with six equivalent W(1)Zn3Cr3 octahedra. All W(1)-Cr(1) bond lengths are 2.61 Å. All W(1)-Zn(1) bond lengths are 3.10 Å. Cr(1) is bonded to three equivalent W(1) and one Zn(1) atom to form distorted CrZnW3 tetrahedra that share corners with three equivalent W(1)Zn3Cr3 octahedra and corners with six equivalent Cr(1)ZnW3 tetrahedra. The corner-sharing octahedral tilt angles are 51°. The Cr(1)-Zn(1) bond length is 0.48 Å. Zn(1) is bonded in a single-bond geometry to three equivalent W(1) and one Cr(1) atom.