Home›Browse›extended Hückel method🌐EnglishEnglishDeutschFrançaisItalianoفارسی中文日本語EntityQ1117938· pop 9· linked from 12 articlesextended Hückel methodSign in to saveconsiders also sigma orbitalsAvailable in 9 languagesFrançaisDeutsch中文日本語ItalianoCatalanUkrainianفارسیvia Wikidata sitelinks · CC0