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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-59239

Helbing, J (2012). Spin state transitions upon visible and infrared excitation of ferric MbN3. Chemical Physics, 396:17-22.

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Abstract

When azide binds to ferric Myoglobin it forms either a low-spin or a high-spin complex, which give rise to two well-separated asymmetric stretch bands of the ligand. Both electronic excitation of the Q-band and vibrational excitation of View the MathML source in the mid-IR lead to a similar ultrafast population redistribution in favor of the high spin configuration, which is characterized by a 8° reorientation of the ligand transition dipole moment. The more stable low spin complex subsequently re-emerges with a 18 ps time-constant. It is argued that the observed spin state changes are caused by the participation of low-lying electronic excitations in the cooling process of heme.

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6 citations in Web of Science®
7 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Department of Chemistry
Dewey Decimal Classification:540 Chemistry
Language:English
Date:2012
Deposited On:07 Mar 2012 16:37
Last Modified:05 Apr 2016 15:37
Publisher:Elsevier
ISSN:0301-0104
Funders:Swiss National Science Foundation (SNF)
Publisher DOI:10.1016/j.chemphys.2011.04.001

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