{"title":"Infrared absorption spectra of metal-amino acid complexes—V. The infrared spectra and normal vibrations of metal-leucine chelates","authors":"J.F. Jackovitz, J.L. Walter C.S.C.","doi":"10.1016/0371-1951(66)80132-7","DOIUrl":null,"url":null,"abstract":"<div><p>The infrared spectra of <span>dl</span>-leucine and some metal-leucine complexes have been investigated from 3600 to 33 cm<sup>−1</sup>. A detailed normal coordinate analysis was performed for the metal complexes and an approximate description of the vibrational mode has been assigned to most of the observed frequencies. Calculated values of the metal-nitrogen bond-stretching force constants vary in the order Pt(II) > Pd(II) > Cu(II) > Zn(II) > Cd(II) > Ni(II) ∼ Co(II) which indicates a corresponding variation in the strength of the metal-nitrogen bond.</p></div>","PeriodicalId":101180,"journal":{"name":"Spectrochimica Acta","volume":"22 8","pages":"Pages 1393-1406"},"PeriodicalIF":0.0000,"publicationDate":"1966-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0371-1951(66)80132-7","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Spectrochimica Acta","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/0371195166801327","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
The infrared spectra of dl-leucine and some metal-leucine complexes have been investigated from 3600 to 33 cm−1. A detailed normal coordinate analysis was performed for the metal complexes and an approximate description of the vibrational mode has been assigned to most of the observed frequencies. Calculated values of the metal-nitrogen bond-stretching force constants vary in the order Pt(II) > Pd(II) > Cu(II) > Zn(II) > Cd(II) > Ni(II) ∼ Co(II) which indicates a corresponding variation in the strength of the metal-nitrogen bond.
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