data_1010844 _chemical_name_systematic 'Tricaesium diarsenic chloride' _chemical_formula_structural 'Cs3 As2 Cl9' _chemical_formula_sum 'As2 Cl9 Cs3' _publ_section_title ; The structure of Caesium Enneachlordiarsenite ; loop_ _publ_author_name 'Hoard, J L' 'Goldstein, L' _journal_name_full 'Journal of Chemical Physics' _journal_coden_ASTM JCPSA6 _journal_volume 3 _journal_year 1935 _journal_page_first 117 _journal_page_last 122 _cell_length_a 7.37 _cell_length_b 7.37 _cell_length_c 8.91 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 419.1 _cell_formula_units_Z 1