• Spectroscopy and Spectral Analysis
  • Vol. 41, Issue 9, 2975 (2021)
El-Megharbel Samy M.*; and Refat Moamen S.
Author Affiliations
  • Department of Chemistry, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
  • show less
    DOI: 10.3964/j.issn.1000-0593(2021)09-2975-05 Cite this Article
    El-Megharbel Samy M., Refat Moamen S.. Preparations and Spectroscopic Studies on the Three New Strontium(Ⅱ), Barium(Ⅱ), and Lead(Ⅱ) Carbocysteine Complexes[J]. Spectroscopy and Spectral Analysis, 2021, 41(9): 2975 Copy Citation Text show less
    Structure of carbocysteine drug
    Fig. 1. Structure of carbocysteine drug
    FTIR spectrum of Pb(Ⅱ) Ccy complex
    Fig. 2. FTIR spectrum of Pb(Ⅱ) Ccy complex
    FTIR spectrum of Sr(Ⅱ) Ccy complex
    Fig. 2. FTIR spectrum of Sr(Ⅱ) Ccy complex
    FTIR spectrum of Ba(Ⅱ) Ccy complex
    Fig. 2. FTIR spectrum of Ba(Ⅱ) Ccy complex
    Speculated structures of Ba(Ⅱ), Sr(Ⅱ) and Pb(Ⅱ) Ccy complexes
    Fig. 3. Speculated structures of Ba(Ⅱ), Sr(Ⅱ) and Pb(Ⅱ) Ccy complexes
    XRD spectrum of Pb(Ⅱ) Ccy complex
    Fig. 4. XRD spectrum of Pb(Ⅱ) Ccy complex
    ComplexesElemental analysis % found (calcd.)
    CHNM
    [Ba(Ccy)(H2O)2]31.95
    (17.13)
    4.43
    (3.10)
    6.73
    (4.00)
    20.73
    (39.18)
    [Sr(Ccy)(H2O)2]31.13
    (19.96)
    3.63
    (3.69)
    6.23
    (4.66)
    28.45
    (29.13)
    [Pb(Ccy)]34.15
    (15.62)
    4.13
    (1.84)
    4.78
    (3.64)
    31.33
    (53.91)
    Table 1. Analytical and physical data of the carbocysteine complexes
    Compoundν(O—H)ν(N—H)δ(H2O)νas(COO)νs(COO)Δν(COO)ν(M—O); H2O & COO
    Ba(Ⅱ)3 4423 1831 6101 5651 415150537, 440
    Sr(Ⅱ)3 4493 0341 6231 5501 400150535, 430
    Pb(Ⅱ)3 4083 0501 6001 5401 390150564, 459
    Table 2. Infrared spectral bands and assignments of Ccy complexes
    El-Megharbel Samy M., Refat Moamen S.. Preparations and Spectroscopic Studies on the Three New Strontium(Ⅱ), Barium(Ⅱ), and Lead(Ⅱ) Carbocysteine Complexes[J]. Spectroscopy and Spectral Analysis, 2021, 41(9): 2975
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