Kutheni iphepha legrafu liqhuba umbane?
Kungenxa yokuba igrafu ineendleko ezihambayo zasimahla, iintlawulo zihamba ngokukhululekileyo emva kokubetheka kombane ukuze zenze okwangoku, ukuze iqhube umbane. Isizathu sokwenyani Kutheni le nto igrafu iqhuba umbane kukuba ii-athomu ezi-6 zenza i-Electrons ezi-6 ukuba zenze i-Electrons enkulu ye-R66 ye-Electrons ezinamaziko ama-6 kunye namaziko ama-6. Kwindiza yekharbon yengoma efanayo yegraphiriya, onke amakhonkco ama-6 eemitha ayenza inkqubo ye-π-π. Ngamanye amagama, kwikhonkco lekharbon ye-gramate yegrafu, yonke i-atob ye-carbon yenza i-ye-π ye-π ye-hid, kwaye zonke ii-elektroniki kule nolwando zinokuhamba ngokukhululekileyo kulunqwanqwa.
Igrafu sisixhobo seLamellar, kwaye kukho ii-elektroni zasimahla ezingakhange zibotshwe phakathi kweendawo. Emva kokufakelwa kombane, banokuhamba ngokulandelelana. Phantse zonke izinto ziziphatha umbane, ngumbandela nje wokuxhathizela. Ubume begrafiti igqiba ukuba incinci ukunqanda kwezinto zekhabhoni.
Umgaqo-nkqubo wePhepha lePrayimatile:
Ikharbon yi-atom ye-tetravantl. Kwelinye icala, njengeatom zentsimbi, i-elektroni yangaphandle ilahlekile ngokulula. I-carbon inee-elektroniki zangaphandle. Iyafana kakhulu kwizinyithi, ngoko ke inayo yokuqhutywa kwendlela yombane. , I-elektroni kunye nemingxunya yasimahla iya kuveliswa. Ukudityaniswa nee-elektroni zangaphandle ezinokuthi zilahleke ngokulula, phantsi kwesenzo sohluko onokubakho, kuya kubakho intshukumo kwaye kuzalise imingxunya. Dala ukuhamba kwee-elektroni. Lo ngumgaqo we-semicondyus.
Ixesha lasemva: Mar-14 ukuya ku-1222