We’re rewarding the question askers & reputations are being recalculated! Read more.

New answers tagged


The conclusion is left to the reader. I believe that there is no useful value in involving d-orbitals in the description of "hypervalent" molecules while remaining on the level of the octet rule. A typical example for when the octet rule seems to fail is sulfur hexafluoride. The naive approach Let's do a quantum chemistry calculation. Using a PBE-D3/def2-...

Top 50 recent answers are included