data_global _chemical_name_mineral 'Hanawaltite' loop_ _publ_author_name 'Roberts A C' 'Grice J D' 'Gault R A' 'Criddle A J' 'Erd R C' _journal_name_full 'Powder Diffraction' _journal_volume 11 _journal_year 1996 _journal_page_first 45 _journal_page_last 50 _publ_section_title ; Hanawaltite, Hg1+6Hg2+[Cl,(OH)]2O3 - A new mineral from the Clear Creek claim, San Benito County, California: Description and crystal structure ; _database_code_amcsd 0015316 _chemical_compound_source 'Clear Creek claim, San Benito County, California' _chemical_formula_sum 'Hg7 Cl2 O3' _cell_length_a 11.777 _cell_length_b 13.891 _cell_length_c 6.460 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 1056.819 _exptl_crystal_density_diffrn 9.572 _symmetry_space_group_name_H-M 'P b m a' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2-x,1/2+y,z' '1/2+x,1/2-y,-z' '1/2+x,y,-z' '1/2-x,-y,z' 'x,1/2-y,z' '-x,1/2+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 Hgl 0.11670 0.58310 0.47120 0.01200 Hg2 0.29110 0.62950 0.67590 0.01900 Hg3 0.03780 0.75000 0.13400 0.01600 Hg4 0.24480 0.25000 0.15100 0.02200 Hg5 0.00000 0.50000 0.00000 0.01000 Cl1 0.25000 0.50000 0.08400 0.01400 Cl2 0.44095 0.75000 0.32900 0.03600 O1 0.34400 0.75000 -0.10000 0.02000 O2 -0.02000 0.54500 0.28000 0.02000