Energy barrier to TTC–TTT isomerisation for the merocyanine of a photochromic spiropyran
Тип публикации: Journal Article
Дата публикации: 2000-01-01
scimago Q2
wos Q2
БС2
SJR: 0.698
CiteScore: 5.3
Impact factor: 2.9
ISSN: 14639076, 14639084
Physical and Theoretical Chemistry
General Physics and Astronomy
Краткое описание
The
1H NMR signal of a proton of a spiropyran photomerocyanine was resolved at low temperature into two signals
attributed to the two isomers, TTT and TTC. The equilibrium distribution and free energy difference between the TTT and TTC isomers were calculated to be 0.15 and 4.6±0.7 kJ mol−1, respectively. By 1H NMR lineshape analysis at various temperatures,
an activation
barrier for the TTC→TTT isomerisation of 43.6±3 kJ mol−1 was calculated.
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Hobley J., Malatesta V. Energy barrier to TTC–TTT isomerisation for the merocyanine of a photochromic spiropyran // Physical Chemistry Chemical Physics. 2000. Vol. 2. No. 1. pp. 57-59.
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Hobley J., Malatesta V. Energy barrier to TTC–TTT isomerisation for the merocyanine of a photochromic spiropyran // Physical Chemistry Chemical Physics. 2000. Vol. 2. No. 1. pp. 57-59.
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TY - JOUR
DO - 10.1039/a908360j
UR - https://doi.org/10.1039/a908360j
TI - Energy barrier to TTC–TTT isomerisation for the merocyanine of a photochromic spiropyran
T2 - Physical Chemistry Chemical Physics
AU - Hobley, Jonathan
AU - Malatesta, Vincenzo
PY - 2000
DA - 2000/01/01
PB - Royal Society of Chemistry (RSC)
SP - 57-59
IS - 1
VL - 2
SN - 1463-9076
SN - 1463-9084
ER -
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@article{2000_Hobley,
author = {Jonathan Hobley and Vincenzo Malatesta},
title = {Energy barrier to TTC–TTT isomerisation for the merocyanine of a photochromic spiropyran},
journal = {Physical Chemistry Chemical Physics},
year = {2000},
volume = {2},
publisher = {Royal Society of Chemistry (RSC)},
month = {jan},
url = {https://doi.org/10.1039/a908360j},
number = {1},
pages = {57--59},
doi = {10.1039/a908360j}
}
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MLA
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Hobley, Jonathan, and Vincenzo Malatesta. “Energy barrier to TTC–TTT isomerisation for the merocyanine of a photochromic spiropyran.” Physical Chemistry Chemical Physics, vol. 2, no. 1, Jan. 2000, pp. 57-59. https://doi.org/10.1039/a908360j.