Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator. The propensities for sigma hole bonding by halogen atoms bonded to central atoms below ...

State Key Laboratory of Petroleum Molecular and Process Engineering, SINOPEC Research Institute of Petroleum Processing Co., Ltd., Beijing 100083, China ...

Some older organic chemistry textbooks, however, attribute this carbocation stability to inductive effects and not to hyperconjugation. ‘It’s very common for people to say that methyl groups donate ...