data_global _amcsd_formula_title 'Cu2 O5 Yb2' 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 1006087 ; _database_code_amcsd 0013848 _chemical_formula_sum 'Yb2 Cu2 O5' _cell_length_a 10.7290 _cell_length_b 3.4355 _cell_length_c 12.3531 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 455.329 _exptl_crystal_density_diffrn 8.069 _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 Yb1 0.20880 0.22690 0.00000 Yb2 0.04160 0.22310 0.33040 Cu1 0.99070 0.66100 0.11300 Cu2 0.26080 0.66100 0.21700 O1 0.17400 0.72900 0.35700 O2 0.32300 0.71800 0.06400 O3 0.12500 0.31300 0.16500 O4 0.42800 0.77800 0.26300 O5 0.42500 0.22800 0.47600