Remarkable Aurophilicity and Photoluminescence Thermochromism in a Homoleptic Cyclic Trinuclear Gold(I) Imidazolate Complex
Тип публикации: Journal Article
Дата публикации: 2017-09-28
scimago Q1
wos Q1
БС1
SJR: 0.958
CiteScore: 7.4
Impact factor: 4.7
ISSN: 00201669, 1520510X
PubMed ID:
28956897
Inorganic Chemistry
Physical and Theoretical Chemistry
Краткое описание
A new aurophilically-bonded cyclic trinuclear gold(I) complex, tris[μ2-(1-ethylimidazolato-N3,C2)gold(I)] ([Au3(EtIm)3], 1), has been synthesized and characterized by temperature-dependent crystallographic and photophysical investigations. The crystal packing of 1 reveals two independent molecules in the unit cell, signifying two distinct pairs of dimer-of-trimer units convened by pairwise intermolecular Au···Au interactions of 3.0662(3) and 3.1407(3) Å at 100 K, representing the shortest pairwise intermolecular aurophilic interactions among all cyclic trimetallic gold(I) complexes to date. Remarkably, crystals of 1 exhibit gigantic photoluminescence thermochromism of 10164 cm-1-from violet to red!-attributed to internal conversion between a higher-energy (T2 → S0; λmax ∼409 nm) and lower-energy (T1 → S0; λmax ∼700 nm) phosphorescent band below and above 200 K, respectively, likely representing an excited-state phase change.
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Ghimire M. M., Nesterov V. N., Omary M. A. Remarkable Aurophilicity and Photoluminescence Thermochromism in a Homoleptic Cyclic Trinuclear Gold(I) Imidazolate Complex // Inorganic Chemistry. 2017. Vol. 56. No. 20. pp. 12086-12089.
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Ghimire M. M., Nesterov V. N., Omary M. A. Remarkable Aurophilicity and Photoluminescence Thermochromism in a Homoleptic Cyclic Trinuclear Gold(I) Imidazolate Complex // Inorganic Chemistry. 2017. Vol. 56. No. 20. pp. 12086-12089.
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TY - JOUR
DO - 10.1021/acs.inorgchem.7b01679
UR - https://doi.org/10.1021/acs.inorgchem.7b01679
TI - Remarkable Aurophilicity and Photoluminescence Thermochromism in a Homoleptic Cyclic Trinuclear Gold(I) Imidazolate Complex
T2 - Inorganic Chemistry
AU - Ghimire, Mukunda M
AU - Nesterov, Vladimir N.
AU - Omary, M. A.
PY - 2017
DA - 2017/09/28
PB - American Chemical Society (ACS)
SP - 12086-12089
IS - 20
VL - 56
PMID - 28956897
SN - 0020-1669
SN - 1520-510X
ER -
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@article{2017_Ghimire,
author = {Mukunda M Ghimire and Vladimir N. Nesterov and M. A. Omary},
title = {Remarkable Aurophilicity and Photoluminescence Thermochromism in a Homoleptic Cyclic Trinuclear Gold(I) Imidazolate Complex},
journal = {Inorganic Chemistry},
year = {2017},
volume = {56},
publisher = {American Chemical Society (ACS)},
month = {sep},
url = {https://doi.org/10.1021/acs.inorgchem.7b01679},
number = {20},
pages = {12086--12089},
doi = {10.1021/acs.inorgchem.7b01679}
}
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Ghimire, Mukunda M., et al. “Remarkable Aurophilicity and Photoluminescence Thermochromism in a Homoleptic Cyclic Trinuclear Gold(I) Imidazolate Complex.” Inorganic Chemistry, vol. 56, no. 20, Sep. 2017, pp. 12086-12089. https://doi.org/10.1021/acs.inorgchem.7b01679.