Cu2 Er2 O5 Garcia-Munoz J, Rodriguez-Carvajal J Journal of Solid State Chemistry 115 (1995) 324-331 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 10.7839 3.4745 12.4434 90 90 90 Pna2_1 atom x y z Er1 .207 .226 0 Er2 .0414 .222 .3300 Cu1 .9911 .653 .112 Cu2 .2593 .669 .215 O1 .176 .727 .357 O2 .322 .713 .059 O3 .124 .319 .167 O4 .427 .773 .259 O5 .424 .227 .476