data_Dy2Mn2O7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.1
_cell_length_b   7.1
_cell_length_c   7.1
_cell_angle_alpha   60.0
_cell_angle_beta   60.0
_cell_angle_gamma   60.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Dy2Mn2O7
_chemical_formula_sum   'Dy4 Mn4 O14'
_cell_volume   252.65
_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
  Dy  Dy0  1  0.76  0.25  0.76  1.0
  Dy  Dy1  1  0.76  0.76  0.25  1.0
  Dy  Dy2  1  0.25  0.76  0.76  1.0
  Dy  Dy3  1  0.25  0.25  0.25  1.0
  Mn  Mn4  1  0.27  0.27  0.27  1.0
  Mn  Mn5  1  0.27  0.76  0.76  1.0
  Mn  Mn6  1  0.76  0.76  0.27  1.0
  Mn  Mn7  1  0.76  0.27  0.76  1.0
  O  O8  1  0.07  0.02  0.02  1.0
  O  O9  1  0.58  0.53  0.53  1.0
  O  O10  1  0.02  0.02  0.07  1.0
  O  O11  1  0.02  0.02  0.96  1.0
  O  O12  1  0.0  0.0  0.0  1.0
  O  O13  1  0.02  0.07  0.02  1.0
  O  O14  1  0.02  0.96  0.02  1.0
  O  O15  1  0.53  0.58  0.53  1.0
  O  O16  1  0.53  0.53  0.47  1.0
  O  O17  1  0.53  0.53  0.58  1.0
  O  O18  1  0.51  0.51  0.51  1.0
  O  O19  1  0.53  0.47  0.53  1.0
  O  O20  1  0.96  0.02  0.02  1.0
  O  O21  1  0.47  0.53  0.53  1.0

data_Dy2Mn2O7
_symmetry_space_group_name_H-M   R3m
_cell_length_a   7.1
_cell_length_b   7.1
_cell_length_c   17.38
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   160
_chemical_formula_structural   Dy2Mn2O7
_chemical_formula_sum   'Dy12 Mn12 O42'
_cell_volume   757.95
_cell_formula_units_Z   6
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-y, x-y, z'
  3  '-x+y, -x, z'
  4  '-y, -x, z'
  5  '-x+y, y, z'
  6  'x, x-y, z'
  7  'x+1/3, y+2/3, z+2/3'
  8  '-y+1/3, x-y+2/3, z+2/3'
  9  '-x+y+1/3, -x+2/3, z+2/3'
  10  '-y+1/3, -x+2/3, z+2/3'
  11  '-x+y+1/3, y+2/3, z+2/3'
  12  'x+1/3, x-y+2/3, z+2/3'
  13  'x+2/3, y+1/3, z+1/3'
  14  '-y+2/3, x-y+1/3, z+1/3'
  15  '-x+y+2/3, -x+1/3, z+1/3'
  16  '-y+2/3, -x+1/3, z+1/3'
  17  '-x+y+2/3, y+1/3, z+1/3'
  18  'x+2/3, x-y+1/3, z+1/3'
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
  Dy  Dy0  9  0.01  0.5  0.74  1.0
  Dy  Dy1  3  0.0  0.0  0.75  1.0
  Mn  Mn2  9  0.17  0.34  0.07  1.0
  Mn  Mn3  3  0.0  0.0  0.73  1.0
  O  O4  9  0.02  0.04  0.96  1.0
  O  O5  9  0.02  0.04  0.45  1.0
  O  O6  9  0.04  0.02  0.49  1.0
  O  O7  9  0.04  0.02  0.0  1.0
  O  O8  3  0.0  0.0  0.0  1.0
  O  O9  3  0.0  0.0  0.49  1.0

Dy Dy Dy Dy Mn Mn Mn Mn O O O O O O O O O O O O O O
Dy Dy Dy Dy Mn Mn Mn Mn O O O O O O O O O O O O O O 0 7 o o o 1 6 o o o 2 5 o o o 3 4 o o o 8 13 o o o 8 10 o o o 9 17 o o o 9 15 o o o 10 13 o o o 11 12 o o + 12 20 - o o 12 14 o - o 15 17 o o o 16 18 o o o 18 21 o o o 18 19 o o o 