data_global _amcsd_formula_title 'CuV2O6(H2O)2' loop_ _publ_author_name 'Leblanc M' 'Ferey G' _journal_name_full 'Acta Crystallographica, Section C' _journal_volume 46 _journal_year 1990 _journal_page_first 15 _journal_page_last 18 _publ_section_title ; Room-temperature structures of oxocopper(II) vanadate(V) hydrates, Cu3V2O8(H2O) and CuV2O6(H2O)2 ; _database_code_amcsd 0010089 _chemical_formula_sum 'Cu V2 O8 H4' _cell_length_a 5.617 _cell_length_b 5.595 _cell_length_c 11.333 _cell_angle_alpha 90 _cell_angle_beta 91.04 _cell_angle_gamma 90 _cell_volume 356.105 _exptl_crystal_density_diffrn 2.774 _symmetry_space_group_name_H-M 'P 1 2/c 1' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,-y,1/2+z' '-x,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_U_iso_or_equiv Cu 0.00000 0.00000 0.00000 0.02305 V 0.23500 0.45190 0.16200 0.01431 O1 0.00000 0.56640 0.25000 0.02533 O2 0.18300 0.16670 0.12720 0.02533 O3 0.50000 0.47460 0.25000 0.02786 O4 0.25280 0.61460 0.04560 0.03040 Wat 0.26120 0.06150 -0.11180 0.03926