Theoretical Prediction for Synthetic Realization: Pyramidal Systems ClE[E′<sub>4</sub>R<sub>4</sub>] (E = B–Ga, E′ = C–Ge, R = SiMe<sub>3</sub>, SiMe<sup><i>t</i></sup>Bu<sub>2</sub>): A DFT Study
Heteroatom chemistry