data_global _chemical_name_mineral 'Rossite' loop_ _publ_author_name 'Ahmed F R' 'Barnes W H' _journal_name_full 'The Canadian Mineralogist' _journal_volume 7 _journal_year 1963 _journal_page_first 713 _journal_page_last 726 _publ_section_title ; The crystal structure of rossite ; _database_code_amcsd 0005081 _chemical_compound_source 'Dolores River, Colorado, USA' _chemical_formula_sum 'Ca V2 O10 H8' _cell_length_a 8.534 _cell_length_b 8.556 _cell_length_c 7.015 _cell_angle_alpha 101.53 _cell_angle_beta 114.97 _cell_angle_gamma 103.38 _cell_volume 425.242 _exptl_crystal_density_diffrn 2.421 _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 Ca 0.83900 0.15030 0.99270 0.01013 V1 0.43580 0.33280 0.80020 0.00912 V2 0.37830 0.33660 0.27560 0.00912 O1 0.47200 0.41420 0.09920 0.00849 O2 0.49670 0.38350 0.58330 0.01229 Wat3 0.80420 0.27310 0.69760 0.02267 O4 0.16250 0.32070 0.17850 0.01811 O5 0.21190 0.23150 0.65760 0.02115 O6 0.53570 0.19030 0.84340 0.01811 O7 0.37410 0.13850 0.19840 0.01621 Wat8 0.98480 0.01080 0.77750 0.01621 Wat9 0.71950 0.11620 0.25330 0.02115 Wat10 0.89480 0.43980 0.20720 0.04154