Issue 18, 2021

Gas sorption of nano-porous supramolecules formed by multi-hydrogen bonded coordination capsules

Abstract

[{ReI(CO)3(Hbim)}3(tpta)]2 (1, Hbim = 2,2′-biimidazolate monoanion, tpta = 2,4,6-tripyridyl-1,3,5-triazine) was prepared as a nano-space supramolecule by using a new group of H-bonded coordination capsules. The hamburger bun-shaped half unit [{ReI(CO)3(Hbim)}3(tpta)] contains six intermolecular H-bonds of Hbim ligands with complementary dual NH⋯N types, and three [ReI(CO)3(Hbim)] are coordinated by bridging tridentate tpta. Interestingly, mechanical grinding easily would convert single crystals of 1 to an amorphous state with minor crystallinity while maintaining the nano-space pores. The ground sample can reversibly uptake and release small molecules such as CO2 and (CH2Cl)2.

Graphical abstract: Gas sorption of nano-porous supramolecules formed by multi-hydrogen bonded coordination capsules

Supplementary files

Article information

Article type
Communication
Submitted
03 Dec 2020
Accepted
04 Feb 2021
First published
05 Feb 2021
This article is Open Access
Creative Commons BY-NC license

Chem. Commun., 2021,57, 2249-2252

Gas sorption of nano-porous supramolecules formed by multi-hydrogen bonded coordination capsules

M. Tadokoro, H. Machida, R. Toyofuku, M. Murakami, H. Kamebuchi, K. Isoda, F. Kobayashi, K. Takahashi, S. Noro and T. Nakamura, Chem. Commun., 2021, 57, 2249 DOI: 10.1039/D0CC07869G

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