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Metal-organic frameworks constructed from Group 1 Metals (Li, Na) and silicon-centered linkers

Metal-organic frameworks constructed from Group 1 Metals (Li, Na) and silicon-centered linkers
Metal-organic frameworks constructed from Group 1 Metals (Li, Na) and silicon-centered linkers
A series of ‘light metal’ MOFs containing SBUs based on Li+ and Na+ cations have been prepared using the silicon-centered linkers MexSi(p-C6H4CO2H)4-x (x = 2, 1, 0). The unipositive charge, small size, and oxophilic nature of the metal cations gives rise to some unusual and unique secondary building units (SBUs), including a 3D nodal structure built from sodium and oxygen ions when using the triacid linker (x = 1). The same linker with Li+ cations generated a chiral, helical SBU, formed from achiral starting materials. 1D rod SBUs are observed for the diacid (x = 2) and tetra-acid (x = 0) linkers with both Li+ and Na+ cations, where the larger size of Na+ compared to Li+ leads to subtle differences in the constitution of the metal nodes
1528-7483
487-497
Pugh, David
33c2663d-b70d-4366-8f0a-8765713b25ad
Ashworth, Emma
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Robertson, Karen
12bf2713-7001-445e-8e0a-3155ef278ccc
Delmas, Luke C.
ccaba93d-7e00-49c8-96ce-fd12d719deca
White, Andrew J.P.
09c64321-ac83-40be-a22c-3d62e4b19a7e
Horton, Peter
154c8930-bfc3-495b-ad4a-8a278d5da3a5
Tizzard, Graham J.
8474c0fa-40df-43a6-a662-7f3c4722dbf2
Coles, Simon J.
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Lickiss, Paul D.
dc0ce1d4-daea-452f-b0ef-77c9c62c5df8
Davies, Robert P.
37552576-6a8d-4dbc-af70-12870f40a048
Pugh, David
33c2663d-b70d-4366-8f0a-8765713b25ad
Ashworth, Emma
6f86ce7a-609c-4e4f-89d8-95ec67978a5c
Robertson, Karen
12bf2713-7001-445e-8e0a-3155ef278ccc
Delmas, Luke C.
ccaba93d-7e00-49c8-96ce-fd12d719deca
White, Andrew J.P.
09c64321-ac83-40be-a22c-3d62e4b19a7e
Horton, Peter
154c8930-bfc3-495b-ad4a-8a278d5da3a5
Tizzard, Graham J.
8474c0fa-40df-43a6-a662-7f3c4722dbf2
Coles, Simon J.
3116f58b-c30c-48cf-bdd5-397d1c1fecf8
Lickiss, Paul D.
dc0ce1d4-daea-452f-b0ef-77c9c62c5df8
Davies, Robert P.
37552576-6a8d-4dbc-af70-12870f40a048

Pugh, David, Ashworth, Emma, Robertson, Karen, Delmas, Luke C., White, Andrew J.P., Horton, Peter, Tizzard, Graham J., Coles, Simon J., Lickiss, Paul D. and Davies, Robert P. (2019) Metal-organic frameworks constructed from Group 1 Metals (Li, Na) and silicon-centered linkers. Crystal Growth & Design, 19 (1), 487-497. (doi:10.1021/acs.cgd.8b01567).

Record type: Article

Abstract

A series of ‘light metal’ MOFs containing SBUs based on Li+ and Na+ cations have been prepared using the silicon-centered linkers MexSi(p-C6H4CO2H)4-x (x = 2, 1, 0). The unipositive charge, small size, and oxophilic nature of the metal cations gives rise to some unusual and unique secondary building units (SBUs), including a 3D nodal structure built from sodium and oxygen ions when using the triacid linker (x = 1). The same linker with Li+ cations generated a chiral, helical SBU, formed from achiral starting materials. 1D rod SBUs are observed for the diacid (x = 2) and tetra-acid (x = 0) linkers with both Li+ and Na+ cations, where the larger size of Na+ compared to Li+ leads to subtle differences in the constitution of the metal nodes

Text
Li-Na MOFs full paper - Final - Accepted Manuscript
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Li-Na MOFs ESI
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More information

Accepted/In Press date: 19 October 2018
e-pub ahead of print date: 20 December 2018
Published date: 2 January 2019

Identifiers

Local EPrints ID: 427445
URI: https://eprints.soton.ac.uk/id/eprint/427445
ISSN: 1528-7483
PURE UUID: 71c29fec-85f0-452e-b097-6ec995e2625c
ORCID for Peter Horton: ORCID iD orcid.org/0000-0001-8886-2016
ORCID for Graham J. Tizzard: ORCID iD orcid.org/0000-0002-1577-5779
ORCID for Simon J. Coles: ORCID iD orcid.org/0000-0001-8414-9272

Catalogue record

Date deposited: 16 Jan 2019 17:30
Last modified: 20 Jul 2019 01:10

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