Pillar substitution modulates CO2 affinity in “mmo” topology networks

Mona H. Mohamed; Sameh K. Elsaidi; Tony Pham; Katherine A. Forrest; Brant Tudor; Lukasz Wojtas; Brian Space; Michael J. Zaworotko

doi:10.1039/C3CC44745F

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Pillar substitution modulates CO₂ affinity in “mmo” topology networks†

Mona H. Mohamed,‡^ab Sameh K. Elsaidi,‡^ab Tony Pham,^a Katherine A. Forrest,^a Brant Tudor,^a Lukasz Wojtas,^a Brian Space^a and Michael J. Zaworotko*^a

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* Corresponding authors

^a Department of Chemistry, CHE205, University of South Florida, 4202 E. Fowler Avenue, Tampa, FL, USA
E-mail: xtal@usf.edu

^b Chemistry Department, Faculty Of Science, Alexandria University, P.O. Box 426 Ibrahimia, Alexandria 21321, Egypt

Abstract

The use of WO₄²⁻ instead of CrO₄²⁻ or MoO₄²⁻ as an angular pillar in mmo topology nets has afforded two isostructural porous nets of formula [M(bpe)₂WO₄] (M = Co or Ni, bpe = 1,2-(4-pyridyl)ethene). The Ni variant, WOFOUR-1-Ni, is highly selective towards CO₂ thanks to its exceptionally high isosteric heat of adsorption (Q_st) of −65.5 kJ mol⁻¹ at zero loading.

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Article information

DOI: https://doi.org/10.1039/C3CC44745F
Article type: Communication
Submitted: 24 Jun 2013
Accepted: 04 Sep 2013
First published: 05 Sep 2013

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Chem. Commun., 2013,49, 9809-9811

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Pillar substitution modulates CO₂ affinity in “mmo” topology networks

M. H. Mohamed, S. K. Elsaidi, T. Pham, K. A. Forrest, B. Tudor, L. Wojtas, B. Space and M. J. Zaworotko, Chem. Commun., 2013, 49, 9809 DOI: 10.1039/C3CC44745F

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