TCE

The Chemical Educator

ISSN: 1430-4171 (electronic version)

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Abstract Volume 17 (2012) pp 220-222
DOI 10.1007/s00897122460

Molecular Interatcions: The Multipole Expansion

Francisco M. Fernández

IFTA (UNLP, CCT La Plata-CONICET), División Química Teórica, Diag. 113 y 64 (S/N), Sucursal 4, Casilla de Correo 16(1900) La Plata, Argentina, fernande@quimica.unlp.edu.ar
Received July 26, 2012. Accepted September 12, 2012.

Published: 7 November 2012

Abstract. We propose a straightforward and simple derivation of the charge-charge, charge-dipole, dipole-dipole, etc, interactions that are commonly used todescribe the interaction between molecules in most textbooks on physical chemistry. We consider arbitrary charge distributions and therefore obtain results of sufficiently general validity.

Key Words: In the Classroom; physical chemistry

(*) Corresponding author. (E-mail: fernande@quimica.unlp.edu.ar)

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