Issue 71, 2018
From the journal:

Chemical Communications

Highly selective room temperature acetylene sorption by an unusual triacetylenic phosphine MOF†

Joseph E. Reynolds, III,a   Kelly M. Walsh,a   Bin Li, ORCID logo ‡b   Pranaw Kunal,a   Banglin Chen ORCID logo *b  and  Simon M. Humphrey ORCID logo *a  

* Corresponding authors

a Department of Chemistry, The University of Texas at Austin, 100 East 24th Street, Stop A1590, Austin, Texas 78712, USA
E-mail: smh@cm.utexas.edu

b Department of Chemistry, University of Texas at San Antonio, One UTSA Circle, San Antonio, USA
E-mail: banglin.chen@utsa.edu

Abstract

The new ligand tris(p-carboxyphenylethynyl)phosphine (P{C[triple bond, length as m-dash]CC6H4-4-CO2H}3) was used to synthesize a permanently porous Mn(II)-based acetylenic phosphine coordination material, PCM-48. This triply-interpenetrated MOF contains 1-D microchannels that are decorated with electron-rich and adsorbate-accessible acetylenic moieties and phosphine lone pairs. PCM-48 has a moderate room-temperature C2H2 adsorption capacity (25.54 cm3 g−1) and displays high separation selectivities for C2H2 over CH4 (C2H2/CH4 = 23.3), CO2 (C2H2/CO2 = 4.3), and N2 (C2H2/N2 = 76.9) at 296 K.

Graphical abstract: Highly selective room temperature acetylene sorption by an unusual triacetylenic phosphine MOF

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Article information

DOI
https://doi.org/10.1039/C8CC05402A
Article type
Communication
Submitted
06 Jul 2018
Accepted
10 Aug 2018
First published
10 Aug 2018

Chem. Commun., 2018,54, 9937-9940

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Highly selective room temperature acetylene sorption by an unusual triacetylenic phosphine MOF

J. E. Reynolds, K. M. Walsh, B. Li, P. Kunal, B. Chen and S. M. Humphrey, Chem. Commun., 2018, 54, 9937 DOI: 10.1039/C8CC05402A

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