# generated using pymatgen
data_Er(Ni2As)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.72570018
_cell_length_b   7.17272629
_cell_length_c   7.17272629
_cell_angle_alpha   90.00000000
_cell_angle_beta   90.00000000
_cell_angle_gamma   90.00000000
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Er(Ni2As)2
_chemical_formula_sum   'Er2 Ni8 As4'
_cell_volume   191.67983192
_cell_formula_units_Z   2
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
  Er  Er0  1  0.50000000  -0.00000000  0.00000000  1.0
  Er  Er1  1  0.00000000  0.50000000  0.50000000  1.0
  Ni  Ni2  1  -0.00000000  0.34522003  0.08775882  1.0
  Ni  Ni3  1  0.50000000  0.41224118  0.84522003  1.0
  Ni  Ni4  1  0.50000000  0.58775882  0.15477997  1.0
  Ni  Ni5  1  -0.00000000  0.65477997  0.91224118  1.0
  Ni  Ni6  1  0.50000000  0.84522003  0.41224118  1.0
  Ni  Ni7  1  0.50000000  0.15477997  0.58775882  1.0
  Ni  Ni8  1  0.00000000  0.08775882  0.34522003  1.0
  Ni  Ni9  1  -0.00000000  0.91224118  0.65477997  1.0
  As  As10  1  -0.00000000  0.21827202  0.78172798  1.0
  As  As11  1  0.50000000  0.71827202  0.71827202  1.0
  As  As12  1  0.50000000  0.28172798  0.28172798  1.0
  As  As13  1  -0.00000000  0.78172798  0.21827202  1.0