New Developments in Fourier Transform Infrared Vibrational Circular Dichroism Measurements
- 1 November 1989
- journal article
- research article
- Published by SAGE Publications in Applied Spectroscopy
- Vol. 43 (8) , 1295-1297
- https://doi.org/10.1366/0003702894204254
Abstract
A new FT-IR vibrational circular dichroism (VCD) spectrometer has been assembled to record VCD spectra with excellent signal quality up to ∼650 cm−1. A special detector with 600 cm−1 cutoff ( D* = 4 × 1010), a ZnSe modulator, and a KRS-5 polarizer were used in these measurements. Typical VCD spectra at 4 cm−1 resolution can be obtained within a one-hour data acquisition period, while those at 1 cm−1 resolution, in the ∼ 1500-650 cm−1 region, can be obtained within four hours of data acquisition per sample. VCD spectra for ã-pinene, 3-bromocamphor, and propylene oxide are presented.Keywords
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