data_VNi7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.99
_cell_length_b   4.99
_cell_length_c   3.52
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   VNi7
_chemical_formula_sum   'V1 Ni7'
_cell_volume   87.92
_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
  V  V7  1  0.0  0.0  0.0  1.0
  Ni  Ni0  1  0.75  0.75  0.76  1.0
  Ni  Ni1  1  0.0  0.5  0.0  1.0
  Ni  Ni2  1  0.25  0.25  0.76  1.0
  Ni  Ni3  1  0.5  0.0  0.0  1.0
  Ni  Ni4  1  0.25  0.75  0.76  1.0
  Ni  Ni5  1  0.5  0.5  0.0  1.0
  Ni  Ni6  1  0.75  0.25  0.76  1.0

data_VNi7
_symmetry_space_group_name_H-M   P4mm
_cell_length_a   4.99
_cell_length_b   4.99
_cell_length_c   3.52
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   99
_chemical_formula_structural   VNi7
_chemical_formula_sum   'V1 Ni7'
_cell_volume   87.92
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-y, x, z'
  3  '-x, -y, z'
  4  'y, -x, z'
  5  '-x, y, z'
  6  'y, x, z'
  7  'x, -y, z'
  8  '-y, -x, 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
  V  V0  1  0.0  0.0  0.0  1.0
  Ni  Ni1  4  0.25  0.25  0.76  1.0
  Ni  Ni2  2  0.0  0.5  0.0  1.0
  Ni  Ni3  1  0.5  0.5  0.0  1.0

V Ni Ni Ni Ni Ni Ni Ni
V Ni Ni Ni Ni Ni Ni Ni 0 1 - - - 0 7 - o - 0 5 o - - 0 3 o o - 1 6 o o + 1 4 o + + 1 2 + o + 2 7 - o - 2 3 o o - 2 5 o o - 3 4 o o + 3 6 o o + 4 5 o - - 4 7 o o - 5 6 o o + 6 7 o o - 