data_Y2NiCl
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.07
_cell_length_b   5.07
_cell_length_c   3.24
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Y2NiCl
_chemical_formula_sum   'Y2 Ni1 Cl1'
_cell_volume   83.19
_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
  Y  Y2  1  0.54  0.0  0.62  1.0
  Y  Y3  1  0.0  0.54  0.62  1.0
  Ni  Ni1  1  0.54  0.54  0.0  1.0
  Cl  Cl0  1  0.0  0.0  0.0  1.0

data_Y2NiCl
_symmetry_space_group_name_H-M   Cm
_cell_length_a   7.17
_cell_length_b   7.17
_cell_length_c   3.24
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Y2NiCl
_chemical_formula_sum   'Y4 Ni2 Cl2'
_cell_volume   166.39
_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
  Y  Y0  4  0.27  0.27  0.62  1.0
  Ni  Ni1  2  0.04  0.5  0.0  1.0
  Cl  Cl2  2  0.0  0.0  0.0  1.0

Y Y Ni Cl
Y2NiCl crystallizes in the monoclinic Cm space group. Y(1) is bonded in a 8-coordinate geometry to four equivalent Ni(1) and four equivalent Cl(1) atoms. There are a spread of Y(1)-Ni(1) bond distances ranging from 2.66-3.37 Å. There are a spread of Y(1)-Cl(1) bond distances ranging from 2.66-3.37 Å. Ni(1) is bonded in a 8-coordinate geometry to eight equivalent Y(1) atoms. Cl(1) is bonded in a 8-coordinate geometry to eight equivalent Y(1) atoms.