It is also known as the Pimentel–Rundle three-center model after the work published by George C. Pimentel in 1951, which built on concepts developed earlier by Robert E. Rundle for electron-deficient bonding.
Den kendes også som Pimentel-Rundle three-center model efter et arbejde publiseret af George C. Pimentel i 1951, som byggede på koncepter udviklet tidligere af Robert E. Rundle for elektron-manglende binding.