data_global
_amcsd_formula_title 'Cu0.85 Nb2 O6 Zn0.15'
loop_
_publ_author_name
'Norwig J'
'Weitzel H'
'Paulus H'
'Lautenschlaeger G'
'Rodriguez-Carvajal J'
'Fuess H'
_journal_name_full 'Journal of Solid State Chemistry'
_journal_volume 115 
_journal_year 1995
_journal_page_first 476
_journal_page_last 483
_publ_section_title
;
 Structural relations in mixed oxides Cux Zn1-x Nb2 O6
 _cod_database_code 1006091
;
_database_code_amcsd 0013855
_chemical_formula_sum '(Cu.85 Zn.15) Nb2 O6'
_cell_length_a 5.0070
_cell_length_b 14.1706
_cell_length_c 5.7547
_cell_angle_alpha 90
_cell_angle_beta 91.451
_cell_angle_gamma 90
_cell_volume 408.178
_exptl_crystal_density_diffrn      5.624
_symmetry_space_group_name_H-M 'P 1 21/c 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,1/2-y,1/2+z'
  '-x,1/2+y,1/2-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Cu1   0.25180   0.00110   0.33830   0.85000
Zn1   0.25180   0.00110   0.33830   0.15000
Nb1   0.73710   0.15990   0.20140   1.00000
Nb2   0.23360   0.16230   0.84110   1.00000
O1   0.06210   0.09630   0.13210   1.00000
O2   0.57590   0.07840   0.39910   1.00000
O3   0.40490   0.24480   0.14300   1.00000
O4   0.90080   0.24480   0.90400   1.00000
O5   0.55600   0.09740   0.92120   1.00000
O6   0.06430   0.07950   0.64890   1.00000