Home›Semiempirical quantum chemistry methods›extended Hückel method🌐EnglishEnglishDeutschFrançaisItalianoفارسی中文日本語EntityQ1117938· pop 9· linked from 12 articlesextended Hückel methodconsiders also sigma orbitalsAvailable in 9 languagesFrançaisDeutsch中文日本語ItalianoCatalanUkrainianفارسیvia Wikidata sitelinks · CC0ConnectionsenergyEntitymoleculeEntityCategoriesSemiempirical quantum chemistry methods