data_global _chemical_name_mineral 'Sohngeite' loop_ _publ_author_name 'Scott J D' _journal_name_full 'American Mineralogist' _journal_volume 56 _journal_year 1971 _journal_page_first 355 _journal_page_last 355 _publ_section_title ; Crystal structure of a new mineral, sohngeite ; _database_code_amcsd 223 _chemical_formula_sum 'Ga (O3 H3)' _cell_length_a 7.4865 _cell_length_b 7.4379 _cell_length_c 7.4963 _cell_angle_alpha 90.0 _cell_angle_beta 90.0 _cell_angle_gamma 90.0 _cell_volume 417.423 _exptl_crystal_density_diffrn 3.843 _symmetry_space_group_name_H-M 'P m n 21' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,-y,1/2+z' '-x,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 Ga1 0.25 0.25 0.25 Ga2 0.25 0.25 0.75 O-H1 0.25 0.25 0.0 O-H2 0.25 0.25 0.5 O-H3 0.0 0.25 0.3 O-H4 0.25 0.0 0.3 O-H5 0.25 0.5 0.3 O-H6 0.5 0.25 0.3 O-H7 0.0 0.75 0.3 O-H8 0.5 0.75 0.3