The molecular that has an S₆ symmetry element is

Q114 · CSIR-NET Chemistry, June 2011

Paper: CSIR-NET June 2011 · Subject: Physical Chemistry · Chapter: Group Theory · Topic: Symmetry Elements Point Groups · Marks: 2 · Difficulty: Easy

The molecular that has an $\mathrm{S}_{6}$ symmetry element is

(a)$\mathrm{B}_{2} \mathrm{H}_{6}$

(b)$\mathrm{CH}_{4}$

(c)$\mathrm{PH}_{5}$

(d)$\mathrm{SF}_{6}$

Answer

Answer: D ✓ checked by 4AB · confidence high

Explanation

SF₆ (O_h) has S₆ axes along the body diagonals; CH₄ has S₄, diborane (D₂h) and PH₅ (D₃h) have no S₆.

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