data_global
_amcsd_formula_title 'Cu2 Nd O5.76 Sr2'
loop_
_publ_author_name
'Caignaert V'
'Retoux R'
'Michel C'
'Hervieu M'
'Raveau B'
_journal_name_full 'Physica C'
_journal_volume 167 
_journal_year 1990
_journal_page_first 483
_journal_page_last 490
_publ_section_title
;
 Neutron diffraction study of the layered cuprate Sr2-xNd1+xCu2O6-y
 _cod_database_code 1001459
;
_database_code_amcsd 0015019
_chemical_formula_sum 'Nd3 Sr6 Cu6 O17.28'
_cell_length_a 3.7701
_cell_length_b 11.4381
_cell_length_c 20.0938
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 866.500
_exptl_crystal_density_diffrn      6.194
_symmetry_space_group_name_H-M 'I m m m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,1/2+z'
  'x,-y,z'
  '1/2+x,1/2-y,1/2+z'
  '-x,y,-z'
  '1/2-x,1/2+y,1/2-z'
  '-x,y,z'
  '1/2-x,1/2+y,1/2+z'
  'x,-y,-z'
  '1/2+x,1/2-y,1/2-z'
  'x,y,-z'
  '1/2+x,1/2+y,1/2-z'
  '-x,-y,z'
  '1/2-x,1/2-y,1/2+z'
  '-x,-y,-z'
  '1/2-x,1/2-y,1/2-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Nd1   0.00000   0.00000   0.00000   1.00000
Sr1   0.00000   0.30180   0.00000   0.63000
Nd2   0.00000   0.30180   0.00000   0.37000
Sr2   0.00000   0.00000   0.19540   0.37000
Nd3   0.00000   0.00000   0.19540   0.63000
Sr3   0.00000   0.32480   0.17700   1.00000
Cu1   0.00000   0.00000   0.58790   1.00000
Cu2   0.00000   0.35170   0.60050   1.00000
O1   0.00000   0.16010   0.41560   1.00000
O2   0.00000   0.13620   0.09690   1.00000
O3   0.50000   0.00000   0.42270   0.29000
O4   0.00000   0.00000   0.68600   1.00000
O5   0.00000   0.34850   0.70080   1.00000
O6   0.00000   0.36900   0.50000   1.00000
O7   0.28400   0.00000   0.50000   0.35000