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An indirect generation of 1D MII-2,5-dihydroxybenzoquinone coordination polymers, their structural rearrangements and generation of materials with a high affinity for H2, CO2 and CH4

An indirect generation of 1D MII-2,5-dihydroxybenzoquinone coordination polymers, their structural rearrangements and generation of materials with a high affinity for H2, CO2 and CH4
An indirect generation of 1D MII-2,5-dihydroxybenzoquinone coordination polymers, their structural rearrangements and generation of materials with a high affinity for H2, CO2 and CH4

A series of solid-state structural transformations are found to accompany desolvation of relatively simple coordination polymers to yield materials that exhibit unexpected gas sorbing properties. Reaction of 1,2,4,5-tetrahydroxybenzene with MII salts (M = Mg, or Zn) in an alcohol/water solution in the presence of air affords cis-MII(C6H2O4-II)(H2O)2·2H2O·xROH, (M = Mg, or Zn), crankshaft-like chains in which the absolute configurations of the chiral metal centres follow the pattern ⋯Δ Δ Λ Λ Δ Δ Λ Λ⋯, and are hydrogen bonded together to generate spacious channels. When crystals of the crankshaft chain are air dried the crystals undergo a single crystal-to-powder rearrangement to form linear trans-MII(C6H2O4-II)(H2O)2 chains. Further dehydration yields microporous solids that reversibly sorb H2, CH4 and CO2 with high sorption enthalpies.

1477-9226
1339-1344
Abrahams, Brendan F.
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Dharma, A. David
389f42fd-1540-4103-86c3-20aba053454b
Dyett, Brendan
80487098-9cc0-4919-ace4-52f44b62a24d
Hudson, Timothy A.
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Maynard-Casely, Helen
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Kingsbury, Christopher J.
9d8e99d8-6f2b-43eb-b581-66f5574f60a5
McCormick, Laura J.
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Robson, Richard
2c74c03e-58f1-4fc3-9b11-ff00e28d09c8
Sutton, Ashley L.
c493e676-34f6-417d-82ea-0a50c967dae6
White, Keith F.
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Abrahams, Brendan F.
9d8972b1-63c7-4ee8-b5b6-5ccfbcf3f798
Dharma, A. David
389f42fd-1540-4103-86c3-20aba053454b
Dyett, Brendan
80487098-9cc0-4919-ace4-52f44b62a24d
Hudson, Timothy A.
69f051ea-681a-4d09-80a9-caf625a78488
Maynard-Casely, Helen
1fd6506f-2355-4bc8-9fb7-ca06b1153f8e
Kingsbury, Christopher J.
9d8e99d8-6f2b-43eb-b581-66f5574f60a5
McCormick, Laura J.
f1c2f8cd-adcc-4bbf-9289-0b33a006d2bb
Robson, Richard
2c74c03e-58f1-4fc3-9b11-ff00e28d09c8
Sutton, Ashley L.
c493e676-34f6-417d-82ea-0a50c967dae6
White, Keith F.
51e18055-2f1e-48a2-a0d1-824f65dd82ba

Abrahams, Brendan F., Dharma, A. David, Dyett, Brendan, Hudson, Timothy A., Maynard-Casely, Helen, Kingsbury, Christopher J., McCormick, Laura J., Robson, Richard, Sutton, Ashley L. and White, Keith F. (2016) An indirect generation of 1D MII-2,5-dihydroxybenzoquinone coordination polymers, their structural rearrangements and generation of materials with a high affinity for H2, CO2 and CH4. Dalton Transactions, 45 (4), 1339-1344. (doi:10.1039/c5dt04095g).

Record type: Article

Abstract

A series of solid-state structural transformations are found to accompany desolvation of relatively simple coordination polymers to yield materials that exhibit unexpected gas sorbing properties. Reaction of 1,2,4,5-tetrahydroxybenzene with MII salts (M = Mg, or Zn) in an alcohol/water solution in the presence of air affords cis-MII(C6H2O4-II)(H2O)2·2H2O·xROH, (M = Mg, or Zn), crankshaft-like chains in which the absolute configurations of the chiral metal centres follow the pattern ⋯Δ Δ Λ Λ Δ Δ Λ Λ⋯, and are hydrogen bonded together to generate spacious channels. When crystals of the crankshaft chain are air dried the crystals undergo a single crystal-to-powder rearrangement to form linear trans-MII(C6H2O4-II)(H2O)2 chains. Further dehydration yields microporous solids that reversibly sorb H2, CH4 and CO2 with high sorption enthalpies.

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Accepted/In Press date: 22 December 2015
Published date: 6 January 2016

Identifiers

Local EPrints ID: 438400
URI: http://eprints.soton.ac.uk/id/eprint/438400
ISSN: 1477-9226
PURE UUID: 9044d722-26b5-406c-bb01-7dd5c8871258
ORCID for Laura J. McCormick: ORCID iD orcid.org/0000-0002-6634-4717

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Date deposited: 09 Mar 2020 17:31
Last modified: 07 Oct 2020 02:27

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Contributors

Author: Brendan F. Abrahams
Author: A. David Dharma
Author: Brendan Dyett
Author: Timothy A. Hudson
Author: Helen Maynard-Casely
Author: Christopher J. Kingsbury
Author: Richard Robson
Author: Ashley L. Sutton
Author: Keith F. White

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