data_KZn2Cr
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.11
_cell_length_b   5.11
_cell_length_c   3.09
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KZn2Cr
_chemical_formula_sum   'K1 Zn2 Cr1'
_cell_volume   80.64
_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
  K  K1  1  0.0  0.0  0.0  1.0
  Zn  Zn2  1  0.0  0.56  0.54  1.0
  Zn  Zn3  1  0.56  0.0  0.54  1.0
  Cr  Cr0  1  0.56  0.56  0.0  1.0

data_KZn2Cr
_symmetry_space_group_name_H-M   Cm
_cell_length_a   7.23
_cell_length_b   7.23
_cell_length_c   3.09
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   KZn2Cr
_chemical_formula_sum   'K2 Zn4 Cr2'
_cell_volume   161.29
_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
  K  K0  2  0.0  0.0  0.0  1.0
  Zn  Zn1  4  0.28  0.28  0.54  1.0
  Cr  Cr2  2  0.06  0.5  -0.0  1.0

K Zn Zn Cr
KCrZn2 crystallizes in the monoclinic Cm space group. K(1) is bonded in a 8-coordinate geometry to four equivalent Cr(1) and eight equivalent Zn(1) atoms. There are a spread of K(1)-Cr(1) bond distances ranging from 3.21-4.02 Å. There are a spread of K(1)-Zn(1) bond distances ranging from 2.67-3.30 Å. Cr(1) is bonded in a 14-coordinate geometry to four equivalent K(1), two equivalent Cr(1), and eight equivalent Zn(1) atoms. Both Cr(1)-Cr(1) bond lengths are 3.09 Å. There are a spread of Cr(1)-Zn(1) bond distances ranging from 2.67-3.30 Å. Zn(1) is bonded in a 2-coordinate geometry to four equivalent K(1) and four equivalent Cr(1) atoms.