Adsorption/desorption of H2O and phase transition in crystals of cobalt(II) bis(tolylterpyridine) nitrate

Joe Otsuki; Yusaku Kobayashi; Takumi Torisawa; Tomoo Furuhashi; Yoshinao Shinozaki; Kosuke Sugawa; Yoshiyuki Kojima; Hiroki Yoshikawa; Arata Tsukamoto; Makoto Tadokoro

doi:10.1093/chemle/upae180

Adsorption/desorption of H₂O and phase transition in crystals of cobalt(II) bis(tolylterpyridine) nitrate

Joe Otsuki, Yusaku Kobayashi, Takumi Torisawa, Tomoo Furuhashi, Yoshinao Shinozaki, Kosuke Sugawa, Yoshiyuki Kojima, Hiroki Yoshikawa, Arata Tsukamoto, Makoto Tadokoro

Department of Chemistry

Research output: Contribution to journal › Article › peer-review

Abstract

This study reports on the multiresponsive behavior of Co(II) bis(tolylterpyridine) nitrate crystals. Each crystal contains a single Co(II) complex and can accommodate up to 4 H₂O molecules per asymmetric unit. In its fully hydrated form, the crystal contains planar hexameric hydrogen-bonded H₂O clusters. The adsorption and desorption of H₂O occur reversibly with changes in humidity, despite the absence of extended H₂O channels. Furthermore, the crystals exhibit a crystal-to-crystal thermal phase transition. The structural studies reveal the dynamic nature of these crystals, which contribute to their multiresponsive behavior.

Original language	English
Article number	upae180
Journal	Chemistry Letters
Volume	53
Issue number	9
DOIs	https://doi.org/10.1093/chemle/upae180
Publication status	Published - Sept 2024

Keywords

crystals
desorption
phase transition

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10.1093/chemle/upae180

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title = "Adsorption/desorption of H2O and phase transition in crystals of cobalt(II) bis(tolylterpyridine) nitrate",

abstract = "This study reports on the multiresponsive behavior of Co(II) bis(tolylterpyridine) nitrate crystals. Each crystal contains a single Co(II) complex and can accommodate up to 4 H2O molecules per asymmetric unit. In its fully hydrated form, the crystal contains planar hexameric hydrogen-bonded H2O clusters. The adsorption and desorption of H2O occur reversibly with changes in humidity, despite the absence of extended H2O channels. Furthermore, the crystals exhibit a crystal-to-crystal thermal phase transition. The structural studies reveal the dynamic nature of these crystals, which contribute to their multiresponsive behavior.",

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AU - Otsuki, Joe

AU - Kobayashi, Yusaku

AU - Torisawa, Takumi

AU - Furuhashi, Tomoo

AU - Shinozaki, Yoshinao

AU - Sugawa, Kosuke

AU - Kojima, Yoshiyuki

AU - Yoshikawa, Hiroki

AU - Tsukamoto, Arata

AU - Tadokoro, Makoto

PY - 2024/9

Y1 - 2024/9

N2 - This study reports on the multiresponsive behavior of Co(II) bis(tolylterpyridine) nitrate crystals. Each crystal contains a single Co(II) complex and can accommodate up to 4 H2O molecules per asymmetric unit. In its fully hydrated form, the crystal contains planar hexameric hydrogen-bonded H2O clusters. The adsorption and desorption of H2O occur reversibly with changes in humidity, despite the absence of extended H2O channels. Furthermore, the crystals exhibit a crystal-to-crystal thermal phase transition. The structural studies reveal the dynamic nature of these crystals, which contribute to their multiresponsive behavior.

AB - This study reports on the multiresponsive behavior of Co(II) bis(tolylterpyridine) nitrate crystals. Each crystal contains a single Co(II) complex and can accommodate up to 4 H2O molecules per asymmetric unit. In its fully hydrated form, the crystal contains planar hexameric hydrogen-bonded H2O clusters. The adsorption and desorption of H2O occur reversibly with changes in humidity, despite the absence of extended H2O channels. Furthermore, the crystals exhibit a crystal-to-crystal thermal phase transition. The structural studies reveal the dynamic nature of these crystals, which contribute to their multiresponsive behavior.

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KW - phase transition

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Adsorption/desorption of H₂O and phase transition in crystals of cobalt(II) bis(tolylterpyridine) nitrate

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