data_global _chemical_name_mineral 'Arsenolamprite' loop_ _publ_author_name 'Smith P M' 'Leadbetter A J' 'Apling A J' _journal_name_full 'Philosophical Magazine' _journal_volume 31 _journal_year 1974 _journal_page_first 57 _journal_page_last 64 _publ_section_title ; The structures of orthorhombic and vitrous arsenic Note: known as arsenolamprite ; _database_code_amcsd 0014996 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'As' _cell_length_a 3.65 _cell_length_b 4.47 _cell_length_c 11.00 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 179.470 _exptl_crystal_density_diffrn 5.546 _symmetry_space_group_name_H-M 'B m a b' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,y,1/2+z' 'x,1/2+y,1/2-z' '1/2+x,1/2+y,-z' '-x,1/2-y,1/2+z' '1/2-x,1/2-y,+z' '-x,y,z' '1/2-x,y,1/2+z' 'x,-y,-z' '1/2+x,-y,1/2-z' 'x,1/2-y,1/2+z' '1/2+x,1/2-y,+z' '-x,1/2+y,1/2-z' '1/2-x,1/2+y,-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 _atom_site_U_iso_or_equiv As 0.00000 0.06000 0.11000 0.01140