# generated using pymatgen
data_Er2Ti2O7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.09657871
_cell_length_b   7.09657871
_cell_length_c   7.09657871
_cell_angle_alpha   60.00000000
_cell_angle_beta   60.00000000
_cell_angle_gamma   60.00000000
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Er2Ti2O7
_chemical_formula_sum   'Er4 Ti4 O14'
_cell_volume   252.71561333
_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  0.12500000  0.12500000  0.62500000  1.0
  Er  Er1  1  0.12500000  0.62500000  0.12500000  1.0
  Er  Er2  1  0.62500000  0.12500000  0.12500000  1.0
  Er  Er3  1  0.12500000  0.12500000  0.12500000  1.0
  Ti  Ti4  1  0.62500000  0.62500000  0.12500000  1.0
  Ti  Ti5  1  0.62500000  0.12500000  0.62500000  1.0
  Ti  Ti6  1  0.12500000  0.62500000  0.62500000  1.0
  Ti  Ti7  1  0.62500000  0.62500000  0.62500000  1.0
  O  O8  1  0.25000000  0.25000000  0.25000000  1.0
  O  O9  1  -0.00000000  0.00000000  0.00000000  1.0
  O  O10  1  0.54323082  0.95676918  0.54323082  1.0
  O  O11  1  0.29323082  0.70676918  0.29323082  1.0
  O  O12  1  0.54323082  0.54323082  0.95676918  1.0
  O  O13  1  0.95676918  0.54323082  0.54323082  1.0
  O  O14  1  0.54323082  0.95676918  0.95676918  1.0
  O  O15  1  0.95676918  0.95676918  0.54323082  1.0
  O  O16  1  0.95676918  0.54323082  0.95676918  1.0
  O  O17  1  0.70676918  0.29323082  0.29323082  1.0
  O  O18  1  0.29323082  0.70676918  0.70676918  1.0
  O  O19  1  0.70676918  0.29323082  0.70676918  1.0
  O  O20  1  0.29323082  0.29323082  0.70676918  1.0
  O  O21  1  0.70676918  0.70676918  0.29323082  1.0