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The hyperpolarizability of trans-butadiene: A critical test case for quantum chemical models
1997 (English)In: Journal of Chemical Physics, ISSN 0021-9606, E-ISSN 1089-7690, Vol. 106, no 5, 1827-1835 p.Article in journal (Refereed) Published
Abstract [en]

The conspicuous fact that the low-order method - the random phase approximation - has served as the best approach to obtain accurate one-photon spectra of the trans-polyenes is scrutinized by performing polarizability and hyperpolarizability calculations of the trans-butadiene molecule using a variety of state-of-the-art correlating methods. The observation persists also for these ground state properties, i.e., the random phase approximation provides results in excellent agreement with experimental data that cannot be matched by higher-order methods. The importance of this observation for simulations of conjugated molecules as non-linear materials is briefly discussed.

Place, publisher, year, edition, pages
1997. Vol. 106, no 5, 1827-1835 p.
National Category
Theoretical Chemistry
Identifiers
URN: urn:nbn:se:kth:diva-198845Scopus ID: 2-s2.0-0000141601OAI: oai:DiVA.org:kth-198845DiVA: diva2:1058687
Note

QC 20161222

Available from: 2016-12-21 Created: 2016-12-21 Last updated: 2016-12-22Bibliographically approved

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