Electrospray mass spectrometry investigation into the formation of CPO-27

Rosnes, M. H., Mathieson, J. S., Törnroos, K. W., Johnsen, R. E., Cronin, L. and Dietzel, P. D.C. (2019) Electrospray mass spectrometry investigation into the formation of CPO-27. Crystal Growth and Design, 19(4), pp. 2089-2096. (doi:10.1021/acs.cgd.8b01657)

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Electrospray ionization mass spectrometry (ESI-MS) has been utilized to investigate the self-assembly processes occurring during the formation of the microporous metal–organic framework CPO-27-M (M = Co, Ni). The mono- and dinuclear building units {M(Hxdhtp)} and {M2(Hxdhtp)}, where Hxdhtp is the organic linker HxC8O6 and fragments thereof, were identified as key species present in the reaction mixture during the product formation. Time-resolved powder X-ray diffraction analysis was used to follow the synthesis and confirmed that no other crystalline products occur in the reaction mixture prior to the crystallization of CPO-27-Ni. When equimolar reactions were performed at room temperature, compounds [(M(H2dhtp)(H2O)4·2H2O] (M = Co, Ni) crystallized instead of CPO-27 obtained at the higher temperature of the solvothermal procedure. It was confirmed that mono- and dinuclear species are key building blocks not only in the formation of CPO-27-M but also in the formation of the 1D chain structure (M(H2dhtp)(H2O)4) obtained from these room-temperature reactions.

Item Type:Articles
Additional Information:The authors acknowledge the support from the Research Council of Norway through the FRINATEK program (grant 221596).
Glasgow Author(s) Enlighten ID:Rosnes, Dr Mali and Mathieson, Dr Jennifer and Cronin, Professor Lee
Authors: Rosnes, M. H., Mathieson, J. S., Törnroos, K. W., Johnsen, R. E., Cronin, L., and Dietzel, P. D.C.
College/School:College of Science and Engineering > School of Chemistry
Journal Name:Crystal Growth and Design
Publisher:American Chemical Society
ISSN (Online):1528-7505
Published Online:28 February 2019
Copyright Holders:Copyright © 2019 American Chemical Society
First Published:First published in Crystal Growth and Design 19(4): 2089-2096
Publisher Policy:Reproduced in accordance with the publisher copyright policy

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