Magnetic vibrational circular dichroism of methyl halides in solution

Abstract
The magnetic vibrational circular dichroism of four methyl halides in CCl4 solution has been measured. Contrary to expectations based on available theoretical models for MVCD, predominantly B‐term MVCD is found for both the A 1 and E C–H stretching vibrations. MVCD of these two modes are opposite in sign for each of the CH3X species, and their relative intensity and ΔA/A values vary systematically with halogen mass. Similar results are found in the CH3 deformation region. MVCD of the N–H stretches in NH3 is also presented for sake of comparison.

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