Angewandte Chemie - International Edition

, volume 54 , issue 16 , pages 4748-4752

Direct measurement of the isomerization barrier of the isolated retinal chromophore

J. M. Dilger ¹

Lihi Musbat ²

Mordechai Sheves ³

Anastasia V. Bochenkova ^{4, 5}

David E. Clemmer ⁶

Y. Toker ²

Hide authors affiliations Show authors affiliations: 6 affiliations

Spectrum Warfare Systems Department, NSWC Crane Division, Crane, IN 47522 (USA) |

Institute of Nanotechnology and Advanced Materials, Bar-Ilan University,Ramat-Gan 290002,Israel |

Chemistry Department, Weizmann Institute of Science, Rehovot 978007 (Israel) |

⁴

Department of Chemistry, Moscow State University, 119991 Moscow (Russia) |

⁵

Department of Physics and Astronomy, Aarhus University, DK-8000 Aarhus C (Denmark) |

⁶

Department of Chemistry, Indiana University, Bloomington, Indiana 47405 (USA) |

Publication type: Journal Article

Publication date: 2015-03-10

Wiley

Angewandte Chemie - International Edition

scimago Q1

wos Q1

SJR: 5.550

CiteScore: 27.6

Impact factor: 16.9

ISSN: 14337851, 15213773

DOI: 10.1002/anie.201411894

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PubMed ID: 25756226

General Chemistry

Catalysis

Abstract

Isomerizations of the retinal chromophore were investigated using the IMS‐IMS technique. Four different structural features of the chromophore were observed, isolated, excited collisionally, and the resulting isomer and fragment distributions were measured. By establishing the threshold activation voltages for isomerization for each of the reaction pathways, and by measuring the threshold activation voltage for fragmentation, the relative energies of the isomers as well as the energy barriers for isomerization were determined. The energy barrier for a single cis–trans isomerization is (0.64±0.05) eV, which is significantly lower than that observed for the reaction within opsin proteins.

Found

1 citation

Bochenkova Anastasia

🥼

PhD in Physics and Mathematics, associate professor

73 publications, 1 208 citations, 118 reviews

h-index: 20

Lomonosov Moscow State University

Research interests

Photochemistry

Quantum Chemistry

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Dilger J. M. et al. Direct measurement of the isomerization barrier of the isolated retinal chromophore // Angewandte Chemie - International Edition. 2015. Vol. 54. No. 16. pp. 4748-4752.

GOST all authors (up to 50) Copy

Dilger J. M., Musbat L., Sheves M., Bochenkova A. V., Clemmer D. E., Toker Y. Direct measurement of the isomerization barrier of the isolated retinal chromophore // Angewandte Chemie - International Edition. 2015. Vol. 54. No. 16. pp. 4748-4752.

RIS |

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RIS Copy

TY - JOUR

DO - 10.1002/anie.201411894

UR - https://onlinelibrary.wiley.com/doi/10.1002/anie.201411894

TI - Direct measurement of the isomerization barrier of the isolated retinal chromophore

T2 - Angewandte Chemie - International Edition

AU - Dilger, J. M.

AU - Musbat, Lihi

AU - Sheves, Mordechai

AU - Bochenkova, Anastasia V.

AU - Clemmer, David E.

AU - Toker, Y.

PY - 2015

DA - 2015/03/10

PB - Wiley

SP - 4748-4752

IS - 16

VL - 54

PMID - 25756226

SN - 1433-7851

SN - 1521-3773

ER -

BibTex |

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BibTex (up to 50 authors) Copy

@article{2015_Dilger,

author = {J. M. Dilger and Lihi Musbat and Mordechai Sheves and Anastasia V. Bochenkova and David E. Clemmer and Y. Toker},

title = {Direct measurement of the isomerization barrier of the isolated retinal chromophore},

journal = {Angewandte Chemie - International Edition},

year = {2015},

volume = {54},

publisher = {Wiley},

month = {mar},

url = {https://onlinelibrary.wiley.com/doi/10.1002/anie.201411894},

number = {16},

pages = {4748--4752},

doi = {10.1002/anie.201411894}

}

MLA

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Dilger, J. M., et al. “Direct measurement of the isomerization barrier of the isolated retinal chromophore.” Angewandte Chemie - International Edition, vol. 54, no. 16, Mar. 2015, pp. 4748-4752. https://onlinelibrary.wiley.com/doi/10.1002/anie.201411894.