NMR spin-spin coupling constants and hyperconjugative interactions

The potential of NMR spin-spin coupling constants as probes to study fine details of electronic molecular structures is briefly discussed in this work through two different examples. A qualitative analysis of the polarization propagator expression for the Fermi contact term is applied for predicting...

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Detalles Bibliográficos
Autor principal: Contreras, Rubén Horacio
Otros Autores: Suardíaz, R., Pérez, C., Crespo-Otero, R., San Fabián, J., De La García Vega, J.M
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: 2010
Acceso en línea:Registro en Scopus
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Registro en la Biblioteca Digital
Aporte de:Registro referencial: Solicitar el recurso aquí
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100 1 |a Contreras, Rubén Horacio 
245 1 0 |a NMR spin-spin coupling constants and hyperconjugative interactions 
260 |c 2010 
270 1 0 |m De La García Vega, J. M.; Departamento de Química Física Aplicada, Facultad de Ciencias, Universidad Autónoma de Madrid, 28049 Madrid, Spain; email: garcia.delavega@uam.es 
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506 |2 openaire  |e Política editorial 
520 3 |a The potential of NMR spin-spin coupling constants as probes to study fine details of electronic molecular structures is briefly discussed in this work through two different examples. A qualitative analysis of the polarization propagator expression for the Fermi contact term is applied for predicting factors affecting 1JCH, and comments are made about how to generalize those results to different types of one-bond spin-spin couplings. Moreover, the Natural J Coupling method is applied to get insight into electronic factors defining a. Karplus relationship of type 3J HH (180°) < 3JHH(0°) known in the literature for some amino acids. © 2009 Wiley Periodicals, Inc.  |l eng 
593 |a Departamento de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires and CONICET, Buenos Aires, Argentina 
593 |a Departamento de Química Física, Facultad de Química, Universidad de la Habana, La Habana 10400, Cuba 
593 |a Departamento de Química Física Aplicada, Facultad de Ciencias, Universidad Autónoma de Madrid, 28049 Madrid, Spain 
690 1 0 |a COUPLING CONSTANTS 
690 1 0 |a HYPERCONJUGATIVE INTERACTIONS 
690 1 0 |a NATURAL BOND ORBITALS 
690 1 0 |a NJC 
690 1 0 |a NMR 
690 1 0 |a COUPLING CONSTANTS 
690 1 0 |a ELECTRONIC FACTORS 
690 1 0 |a FERMI CONTACT TERM 
690 1 0 |a HYPERCONJUGATIVE INTERACTIONS 
690 1 0 |a J COUPLING 
690 1 0 |a NATURAL BOND ORBITAL 
690 1 0 |a QUALITATIVE ANALYSIS 
690 1 0 |a SPIN-SPIN COUPLING CONSTANTS 
690 1 0 |a SPIN-SPIN COUPLINGS 
690 1 0 |a AMINO ACIDS 
690 1 0 |a NUCLEAR MAGNETIC RESONANCE 
690 1 0 |a ORGANIC ACIDS 
690 1 0 |a SULFUR COMPOUNDS 
690 1 0 |a SPIN DYNAMICS 
700 1 |a Suardíaz, R. 
700 1 |a Pérez, C. 
700 1 |a Crespo-Otero, R. 
700 1 |a San Fabián, J. 
700 1 |a De La García Vega, J.M. 
773 0 |d 2010  |g v. 110  |h pp. 532-539  |k n. 3  |p Int J Quantum Chem  |x 00207608  |w (AR-BaUEN)CENRE-16  |t International Journal of Quantum Chemistry 
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