data_1010822 _chemical_name_systematic 'Dodecatungstosilicic acid' _chemical_formula_structural 'H4 (Si (W3 O10)4)' _chemical_formula_sum 'H4 O40 Si W12' _publ_section_title 'Ueber den Bau einiqer Heteropolysaeuren' loop_ _publ_author_name 'Signer, R' 'Gross, H' _journal_name_full 'Helvetica Chimica Acta' _journal_coden_ASTM HCACAV _journal_volume 17 _journal_year 1934 _journal_page_first 1076 _journal_page_last 1080 _cell_length_a 12.11(1) _cell_length_b 12.11(1) _cell_length_c 12.11(1) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 1776.0 _cell_formula_units_Z 0