data_global _amcsd_formula_title 'K3V2F3O8HF.2H2O' loop_ _publ_author_name 'Lapshin A E' 'Smolin Y I' 'Shepelev Y F' 'Schwendt P' 'Gyepesova D' _journal_name_full 'Acta Crystallographica, Section C' _journal_volume 46 _journal_year 1990 _journal_page_first 1753 _journal_page_last 1755 _publ_section_title ; Structure of tripotassium u-fluoro-u-peroxo-bis(fluorooxoperoxovanadate)(3-) hydrogen fluoride dihydrate ; _database_code_amcsd 0010178 _chemical_formula_sum 'V2 K3 F4 O10 H4' _cell_length_a 8.518 _cell_length_b 12.460 _cell_length_c 5.981 _cell_angle_alpha 92.30 _cell_angle_beta 90.90 _cell_angle_gamma 102.70 _cell_volume 618.564 _exptl_crystal_density_diffrn 2.465 _symmetry_space_group_name_H-M 'P -1' loop_ _space_group_symop_operation_xyz 'x,y,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 V1 0.38390 0.69930 0.80030 0.01938 V2 0.02960 0.72890 0.79260 0.01900 K1 0.13480 0.56440 0.27150 0.02508 K2 0.66140 0.60450 0.22060 0.02634 K3 0.76100 0.96810 0.06880 0.04142 F1 0.15180 0.60030 0.72440 0.02026 F2 0.38690 0.58660 0.00300 0.02913 F3 -0.07870 0.62560 0.98950 0.03040 F4 0.08370 0.95400 0.31970 0.06333 O1 0.54330 0.78180 0.89770 0.03293 O2 0.22890 0.76340 0.99870 0.02533 O3 0.25460 0.81240 0.77950 0.03040 Wat4 0.41070 0.70770 0.49380 0.04053 O5 0.45900 0.61320 0.58010 0.03293 O6 -0.03950 0.83310 0.87370 0.03546 Wat7 -0.11950 0.65970 0.56980 0.03926 O8 0.01630 0.73570 0.48110 0.04053 O9 0.72740 0.84150 0.43920 0.05193 O10 0.43980 0.94910 0.27870 0.06333