Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Hanyar wucewa: A wasu lokuta na alaƙa da yawa tsakanin atoms biyu, babu sigma-bonding a kowane lokaci, kawai alaƙa na pi. Misalai sun haɗa da diiron hexacarbonyl (Fe2 ((CO) 6), dicarbon (C2), da diborane ((2) (B2H2). A cikin waɗannan mahadi, haɗin tsakiya ya ƙunshi kawai haɗin pi saboda sigma antibond wanda ke tare da sigma bond kanta. An yi amfani da waɗannan mahadi azaman samfuran ƙididdiga don nazarin haɗin pi kanta, yana bayyana cewa don cimma iyakar haɗuwa da kewayen sararin samaniya, nisan haɗin ya fi ƙasa da yadda ake tsammani.  Tambaya: Ga wane irin haɗin da aka bincika waɗannan ƙididdigar ƙididdiga?
haɗin pi