Spectroscopy and Spectral Analysis, Volume. 41, Issue 1, 127(2021)

Assignments on Raman Peaks of Red Coral Based on Experimental Raman Spectroscopy and Density Functional Theory Calculation

Chao-yang CHEN1,1、*, Wei-zhi HUANG1,1, Qiang GAO1,1, Lu-wei FAN1,1, and Hsitien Shen Andy1,1
Author Affiliations
  • 1[in Chinese]
  • 11. Gemmological Institute, China University of Geosciences, Wuhan 430074, China
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    Figures & Tables(5)
    Red coral (Corallium rubrum) samples
    Structure of canthaxanthin
    Raman spectra of red coral samples
    Theoretical Raman spectrum of canthaxanthin calculated by DFT
    • Table 1. Comparison of Raman peaks of red corals with theoretical Raman peaks of canthaxanthin

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      Table 1. Comparison of Raman peaks of red corals with theoretical Raman peaks of canthaxanthin

      Experimental Raman peaks
      of red coral/cm-1
      Theoretical Raman peaks
      of canthaxanthin/cm-1
      DifferenceDifference
      rate/%
      Assignments
      1 5141 51220.13C=C stretching
      1 2951 269262.00C—H rocking
      1 1771 189-121.02C—C stretching
      1 1251 159-343.02C—C stretching
      1 016999171.67methyl rocking
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    Chao-yang CHEN, Wei-zhi HUANG, Qiang GAO, Lu-wei FAN, Hsitien Shen Andy. Assignments on Raman Peaks of Red Coral Based on Experimental Raman Spectroscopy and Density Functional Theory Calculation[J]. Spectroscopy and Spectral Analysis, 2021, 41(1): 127

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    Paper Information

    Category: Research Articles

    Received: Dec. 16, 2019

    Accepted: --

    Published Online: Apr. 8, 2021

    The Author Email: Chao-yang CHEN (377651868@qq.com)

    DOI:10.3964/j.issn.1000-0593(2021)01-0127-04

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