• Spectroscopy and Spectral Analysis
  • Vol. 40, Issue 11, 3649 (2020)
M. El-Megharbel Samy1、1 and S. Refat Moamen1、1
Author Affiliations
  • 1[in Chinese]
  • 11. Department of Chemistry, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
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    DOI: 10.3964/j.issn.1000-0593(2020)11-3649-04 Cite this Article
    M. El-Megharbel Samy, S. Refat Moamen. Synthesis and Spectroscopic Characterizations of New Mercury(Ⅱ), Cerium(Ⅲ), and Thorium(Ⅳ) Captopril Drug Complexes[J]. Spectroscopy and Spectral Analysis, 2020, 40(11): 3649 Copy Citation Text show less
    Structure of captopril drug
    Fig. 1. Structure of captopril drug
    FTIR spectrum of Th(Ⅳ) CAP complex
    Fig. 2. FTIR spectrum of Th(Ⅳ) CAP complex
    FTIR spectrum of Ce(Ⅲ) CAP complex
    Fig. 2. FTIR spectrum of Ce(Ⅲ) CAP complex
    FTIR spectrum of Hg(Ⅱ) CAP complex
    Fig. 2. FTIR spectrum of Hg(Ⅱ) CAP complex
    Speculated structures of Hg(Ⅱ), Ce(Ⅲ) and Th(Ⅳ) captopril complexes
    Fig. 3. Speculated structures of Hg(Ⅱ), Ce(Ⅲ) and Th(Ⅳ) captopril complexes
    ComplexesElemental analysis % found (calcd.)
    CHNM
    [Ce(CAP)2(NO3)]·3H2O31.95
    (32.43)
    4.43
    (5.30)
    6.73
    (5.97)
    20.73
    (19.91)
    [Th(CAP)2(NO3)2(H2O) ]·
    3H2O
    31.13
    (26.06)
    3.63
    (4.49)
    6.23
    (6.40)
    28.45
    (26.50)
    [Hg(CAP)2]34.15
    (34.15)
    4.13
    (4.46)
    4.78
    (4.42)
    31.33
    (31.68)
    Table 1. Analytical and physical data of the CAP complexes
    Compoundν(O—H) hydratedν(SH)ν(C=O)amideν(C=O)acidν(M—N)ν(M—O)ν(C—S)
    CAP-2 5621 6481 755--980
    Ce(Ⅲ)3 4082!5571 593-450598982
    Th(Ⅳ)3 4262 5571 607-420546985
    Hg(Ⅱ)--1 6101 735-547916
    Table 2. Infrared spectral bands and assignments of CAP complexes
    M. El-Megharbel Samy, S. Refat Moamen. Synthesis and Spectroscopic Characterizations of New Mercury(Ⅱ), Cerium(Ⅲ), and Thorium(Ⅳ) Captopril Drug Complexes[J]. Spectroscopy and Spectral Analysis, 2020, 40(11): 3649
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