For which of the following molecules are pure rotational spectroscopic transitions observed?
Benzene, C₆H₆, Sulfur hexafluoride, SF₆, Carbon disulfide, CS₂, Nitrous oxide, N₂O.

Question

For which of the following molecules are pure rotational spectroscopic transitions observed? Benzene, C₆H₆, Sulfur hexafluoride, SF₆, Carbon disulfide, CS₂, Nitrous oxide, N₂O.

Quizplus · Accepted Answer

Nitrous oxide (N2O) is a polar molecule, which allows it to have a permanent dipole moment necessary for pure rotational transitions to be observed in its rotational spectrum. The other molecules are non-polar and do not exhibit pure rotational spectra.

For Which of the Following Molecules Are Pure Rotational Spectroscopic