data_global
_amcsd_formula_title 'Cu2 Er2 O5'
loop_
_publ_author_name
'Garcia-Munoz J'
'Rodriguez-Carvajal J'
_journal_name_full 'Journal of Solid State Chemistry'
_journal_volume 115 
_journal_year 1995
_journal_page_first 324
_journal_page_last 331
_publ_section_title
;
 Structural characterization of R2 Cu2 O5 (R=Yb,Tm,Er,Y and Ho) oxides
 by neutron diffraction
 _cod_database_code 1006085
;
_database_code_amcsd 0013846
_chemical_formula_sum 'Er2 Cu2 O5'
_cell_length_a 10.7839
_cell_length_b 3.4745
_cell_length_c 12.4434
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 466.238
_exptl_crystal_density_diffrn      7.716
_symmetry_space_group_name_H-M 'P n a 21'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2-y,z'
  '1/2-x,1/2+y,1/2+z'
  '-x,-y,1/2+z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Er1   0.20700   0.22600   0.00000
Er2   0.04140   0.22200   0.33000
Cu1   0.99110   0.65300   0.11200
Cu2   0.25930   0.66900   0.21500
O1   0.17600   0.72700   0.35700
O2   0.32200   0.71300   0.05900
O3   0.12400   0.31900   0.16700
O4   0.42700   0.77300   0.25900
O5   0.42400   0.22700   0.47600