data_global _chemical_name_mineral 'Tungstite' loop_ _publ_author_name 'Szymanski J T' 'Roberts A C' _journal_name_full 'The Canadian Mineralogist' _journal_volume 22 _journal_year 1984 _journal_page_first 681 _journal_page_last 688 _publ_section_title ; The crystal structure of tungstite, WO3.H2O ; _database_code_amcsd 0005199 _chemical_formula_sum 'W O4 H2' _cell_length_a 5.249 _cell_length_b 10.711 _cell_length_c 5.133 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 288.588 _exptl_crystal_density_diffrn 5.751 _symmetry_space_group_name_H-M 'P m n b' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2-x,y,z' '1/2+x,-y,-z' '1/2+x,1/2-y,1/2+z' '1/2-x,1/2+y,1/2-z' 'x,1/2+y,1/2-z' '-x,1/2-y,1/2+z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z W 0.25000 0.22090 -0.00370 O1 0.25000 0.43600 0.07500 O2 0.25000 0.06600 -0.06400 O3 0.49500 0.22700 0.24900 H1 0.25000 0.47900 0.20000 H2 0.25000 0.47800 -0.05500 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 W 0.00720 0.01540 0.00830 0.00000 0.00000 -0.00280 O1 0.03400 0.02400 0.01500 0.00000 0.00000 -0.00200 O2 0.01700 0.02000 0.01500 0.00000 0.00000 0.00200 O3 0.06100 0.02000 0.07400 -0.00600 -0.00600 -0.00600 H1 0.03300 0.03300 0.03300 0.00000 0.00000 0.00000 H2 0.03300 0.03300 0.03300 0.00000 0.00000 0.00000