data_global _chemical_name_mineral 'Duttonite' loop_ _publ_author_name 'Evans H T' 'Mrose M E' _journal_name_full 'Acta Crystallographica' _journal_volume 11 _journal_year 1958 _journal_page_first 56 _journal_page_last 58 _publ_section_title ; The crystal structures of three new vanadium oxide minerals Note: x(OH2) corrected ; _database_code_amcsd 0009204 _chemical_compound_source 'Peanut mine, Montrose County, Colorado, USA' _chemical_formula_sum 'V O3 H2' _cell_length_a 8.80 _cell_length_b 3.95 _cell_length_c 5.96 _cell_angle_alpha 90 _cell_angle_beta 90.67 _cell_angle_gamma 90 _cell_volume 207.155 _exptl_crystal_density_diffrn 3.237 _symmetry_space_group_name_H-M 'I 1 2/c 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,1/2+z' 'x,1/2-y,1/2+z' '1/2+x,-y,+z' '-x,y,1/2-z' '1/2-x,1/2+y,-z' '-x,1/2-y,-z' '1/2-x,-y,1/2-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z V 0.00000 0.33600 0.25000 O1 0.00000 0.75400 0.25000 O-H2 0.15000 0.25000 0.50000