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Vapochromic behaviour of a nickel(ii)-quinonoid complex with dimensional changes between 1D and higher

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Title: Vapochromic behaviour of a nickel(ii)-quinonoid complex with dimensional changes between 1D and higher
Authors: Yano, Ryota Browse this author
Yoshida, Masaki Browse this author →KAKEN DB
Tsunenari, Takahiro Browse this author
Sato-Tomita, Ayana Browse this author
Nozawa, Shunsuke Browse this author
Iida, Youhei Browse this author
Matsunaga, Noriaki Browse this author
Kobayashi, Atsushi Browse this author
Kato, Masako Browse this author
Issue Date: 7-Jul-2021
Publisher: Royal Society of Chemistry
Journal Title: Dalton transactions
Volume: 50
Issue: 25
Start Page: 8696
End Page: 8703
Publisher DOI: 10.1039/d1dt00269d
Abstract: The nickel(ii)-chloranilato complex {Ni(ca)(VM)(2)}(n) (H(2)ca = chloranilic acid, VM = coordinated vapour molecules, such as water) shows reversible vapochromism upon exposure to various vapours and subsequent drying by heating. In contrast to the Ni(ii)-quinonoid complex, [Ni(HLMe)(2)] (H2LMe = 4-methylamino-6-methyliminio-3-oxocyclohexa-1,4-dien-1-olate), which was reported to exhibit vapochromic spin-state switching between high and low spin states, the chloranilato complex does not change its spin state even after the removal of coordinated vapour molecules. X-ray absorption fine structure (XAFS) analysis revealed that the six-coordinate geometry of {Ni(ca)(VM)(2)}(n) was maintained even after the removal of vapour molecules, in contrast to the [Ni(HLMe)(2)] complex. The unique vapochromism that follows the dimensional change between 1D and higher is influenced by the relatively weaker ligand field of the chloranilate ligand.
Type: article (author version)
Appears in Collections:理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 吉田 将己

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