Filippou, Alexander C.; Portius, Peter; Schnakenburg, Gregor. The Hexaazidosilicate(IV) Ion: Synthesis, Properties, and Molecular Structure. Journal of the American Chemical Society. 2002, 124 (42): 12396–12397. PMID 12381165. doi:10.1021/ja0273187.
Filippou, Alexander C.; Portius, Peter; Schnakenburg, Gregor. The Hexaazidosilicate(IV) Ion: Synthesis, Properties, and Molecular Structure. Journal of the American Chemical Society. 2002, 124 (42): 12396–12397. PMID 12381165. doi:10.1021/ja0273187.