The O-H out-of-plane deformation in intramolecularly hydrogen bonded phenols was written by Nyquist, R. A.. And the article was included in Spectrochimica Acta in 1963.SDS of cas: 58349-01-2 This article mentions the following:
The O-H out-of-plane deformation fundamental (γO-H) occurs in the frequency region 300-860 cm.-1 in various orthosubstituted phenols studied. The absorption band produced is uniquely broad, and therefore easily assigned. Correlations of γO-Σ with νO-H and certain chem. parameters were found, and these are useful in explaining the frequency behavior of this vibration. These several characteristics make this vibration useful as a group frequency. In the experiment, the researchers used many compounds, for example, 4-Bromo-2-chloro-6-nitrophenol (cas: 58349-01-2SDS of cas: 58349-01-2).
4-Bromo-2-chloro-6-nitrophenol (cas: 58349-01-2) belongs to organobromine compounds. Bromo compounds are employed in a variety of metal-catalyzed coupling reactions. They are also ideal candidates for the synthesis of Grignard reagents that have wide-applicability in organic synthesis. alpha-Bromoesters are employed in the Reformatsky reaction for the synthesis of beta-hydroxyesters. One prominent application of synthetic organobromine compounds is the use of polybrominated diphenyl ethers as fire-retardants, and in fact fire-retardant manufacture is currently the major industrial use of the element bromine.SDS of cas: 58349-01-2
Referemce:
Bromide – Wikipedia,
bromide – Wiktionary