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Abstract:

The interaction Hamiltonian within the Bloch gauge for the potentials of the electromagnetic field has been used to define magnetic multipole moment operators and operators for the magnetic field of electrons acting on the nuclei of a molecule in the presence of nonhomogeneous external magnetic field. Perturbation theory has been applied to evaluate the induced electronic moments and magnetic field at the nuclei. Multipole magnetic susceptibility and nuclear magnetic shielding tensors have been introduced to describe the contributions arising in nonuniform fields, and their origin dependence has been analyzed. Extended numerical tests on the ammonia molecule in a static, nonuniform magnetic field have been carried out, using the random-phase approximation within the framework of accurate Hartree-Fock zero-order wavefunctions, and allowing for both angular momentum and torque formalisms in the calculation of paramagnetic contributions.

Registro:

Documento: Artículo
Título:Theoretical study of magnetic properties of ammonia molecule in nonuniform magnetic field
Autor:Caputo, M.C.; Ferraro, M.B.; Lazzeretti, P.
Filiación:Depto. de Física, F.C.E.y N., Universidad de Buenos Aires (1428), Pab. I, Buenos Aires, Argentina
Dipartimento di Chimica, Università degli Studi, via Campi 183, I-41100 Modena, Italy
Palabras clave:Magnetic multipoles; Magnetic susceptibility; Nonuniform magnetic field; Nuclear magnetic shielding
Año:1996
Volumen:94
Número:3
Página de inicio:155
Página de fin:176
Título revista:Theoretical Chemistry Accounts
Título revista abreviado:Theor. Chem. Acc.
ISSN:1432881X
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_1432881X_v94_n3_p155_Caputo

Referencias:

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Citas:

---------- APA ----------
Caputo, M.C., Ferraro, M.B. & Lazzeretti, P. (1996) . Theoretical study of magnetic properties of ammonia molecule in nonuniform magnetic field. Theoretical Chemistry Accounts, 94(3), 155-176.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_1432881X_v94_n3_p155_Caputo [ ]
---------- CHICAGO ----------
Caputo, M.C., Ferraro, M.B., Lazzeretti, P. "Theoretical study of magnetic properties of ammonia molecule in nonuniform magnetic field" . Theoretical Chemistry Accounts 94, no. 3 (1996) : 155-176.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_1432881X_v94_n3_p155_Caputo [ ]
---------- MLA ----------
Caputo, M.C., Ferraro, M.B., Lazzeretti, P. "Theoretical study of magnetic properties of ammonia molecule in nonuniform magnetic field" . Theoretical Chemistry Accounts, vol. 94, no. 3, 1996, pp. 155-176.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_1432881X_v94_n3_p155_Caputo [ ]
---------- VANCOUVER ----------
Caputo, M.C., Ferraro, M.B., Lazzeretti, P. Theoretical study of magnetic properties of ammonia molecule in nonuniform magnetic field. Theor. Chem. Acc. 1996;94(3):155-176.
Available from: https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_1432881X_v94_n3_p155_Caputo [ ]