The infrared spectrum of CBr4 has a strong absorption at 667 cm-1. What is the correct assignment of this absorption?and why ? a.) A bending or bending mode. b.) The asymmetric stretching of the four C-Br bonds. c.) The symmetric stretching of the four C-Br bonds. d.) The stretching of a C-Br bond.
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The electromagnetic radiation or frequency is classified into radio-waves, micro-waves, infrared, visible, ultraviolet, X-rays and gamma rays. The infrared spectra emission refers to the portion between the visible and the microwave areas of electromagnetic spectrum. This spectral area is usually divided into three parts, near infrared (14,290 – 4000 cm-1), mid infrared (4000 – 400 cm-1), and far infrared (700 – 200 cm-1), respectively. The number set is the number of the wave (cm-1).
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Infrared (IR) or vibrational spectroscopy is a method used for analyzing the particle's vibratory transformations. This is one of the very popular spectroscopic approaches employed by inorganic as well as organic laboratories because it is helpful in evaluating and distinguishing the frameworks of the molecules. The infra-red spectroscopy process or procedure is carried out using a tool called an infrared spectrometer to obtain an infrared spectral (or spectrophotometer).
The infrared spectrum of CBr4 has a strong absorption at 667 cm-1. What is the correct assignment of this absorption?and why ?
a.) A bending or bending mode.
b.) The asymmetric stretching of the four C-Br bonds.
c.) The symmetric stretching of the four C-Br bonds.
d.) The stretching of a C-Br bond.
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