(Solved): Construct a qualitative molecular orbital diagram for -bonding in the BH3 molecule using the f ...

Construct a qualitative molecular orbital diagram for $?$-bonding in the ${\mathrm{BH}}_3$ molecule using the fragment approach i.e. answering parts (a) to (e) will guide you through the process. ${\mathrm{BH}}_3$ is setup in the following coordinate system with ${\mathrm{D}}_{3\mathrm{h}}$ symmetry. (hint do not move contribute 1 , moves contributes zero). (a) How many LGOs are there for the $\mathrm{H}$ 1s orbitals? Deduce their symmetry labels by first generating a ${?}_{\text{red, }}$ and then reducing it.