A coordination network featuring two distinct copper(II) coordination environments for highly selective acetylene adsorption

Magdalene W. S. Chong; Stephen P. Argent; Florian Moreau; William J. F. Trenholme; Christopher G. Morris; William Lewis; Timothy L. Easun; Martin Schröder

doi:10.1002/chem.202201188

A coordination network featuring two distinct copper(II) coordination environments for highly selective acetylene adsorption

Magdalene W. S. Chong, Stephen P. Argent, Florian Moreau, William J. F. Trenholme, Christopher G. Morris, William Lewis, Timothy L. Easun, Martin Schröder

Pure And Applied Chemistry

Research output: Contribution to journal › Article › peer-review

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Abstract

Single crystals of 2D coordination network {Cu₂L₂ ⋅ (DMF)₃(H₂O)₃}_n (1-DMF) were prepared by reaction of commercial reagents 3-formyl-4-hydroxybenzoic acid (H₂L) and Cu(NO₃)₂ in dimethylformamide (DMF). The single-crystal structure shows two distinct Cu(II) coordination environments arising from the separate coordination of Cu(II) cations to the carboxylate and salicylaldehydato moieties on the linker, with 1D channels running through the structure. Flexibility is exhibited on solvent exchange with ethanol and tetrahydrofuran, while porosity and the unique overall connectivity of the structure are retained. The activated material exhibits type I gas sorption behaviour and a BET surface area of 950 m² g⁻¹ (N₂, 77 K). Notably, the framework adsorbs negligible quantities of CH4 compared with CO₂ and the C₂H_n hydrocarbons. It exhibits exceptional selectivity for C₂H₂/CH₄ and C₂H₂/C₂H_n, which has applicability in separation technologies for the isolation of C₂H₂.

Original language	English
Article number	e202201188
Number of pages	9
Journal	Chemistry - A European Journal
Volume	28
Issue number	52
Early online date	28 Jul 2022
DOIs	https://doi.org/10.1002/chem.202201188
Publication status	Published - 16 Sept 2022

Keywords

adsorption
copper
crystal engineering
metal-organic frameworks
microporous materials
supramolecular chemistry

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Chong-etal-CEJ-2022-A-coordination-network-featuring-two-distinct-copper-II-coordination-environments-for-highly-selective-acetylene-adsorptionFinal published version, 932 KBLicence: CC BY 4.0

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@article{9729543991c7430bafd535e97298d7de,

title = "A coordination network featuring two distinct copper(II) coordination environments for highly selective acetylene adsorption",

abstract = "Single crystals of 2D coordination network {Cu2L2 ⋅ (DMF)3(H2O)3}n (1-DMF) were prepared by reaction of commercial reagents 3-formyl-4-hydroxybenzoic acid (H2L) and Cu(NO3)2 in dimethylformamide (DMF). The single-crystal structure shows two distinct Cu(II) coordination environments arising from the separate coordination of Cu(II) cations to the carboxylate and salicylaldehydato moieties on the linker, with 1D channels running through the structure. Flexibility is exhibited on solvent exchange with ethanol and tetrahydrofuran, while porosity and the unique overall connectivity of the structure are retained. The activated material exhibits type I gas sorption behaviour and a BET surface area of 950 m2 g−1 (N2, 77 K). Notably, the framework adsorbs negligible quantities of CH4 compared with CO2 and the C2Hn hydrocarbons. It exhibits exceptional selectivity for C2H2/CH4 and C2H2/C2Hn, which has applicability in separation technologies for the isolation of C2H2.",

keywords = "adsorption, copper, crystal engineering, metal-organic frameworks, microporous materials, supramolecular chemistry",

author = "Chong, {Magdalene W. S.} and Argent, {Stephen P.} and Florian Moreau and Trenholme, {William J. F.} and Morris, {Christopher G.} and William Lewis and Easun, {Timothy L.} and Martin Schr{\"o}der",

year = "2022",

month = sep,

day = "16",

doi = "10.1002/chem.202201188",

language = "English",

volume = "28",

journal = "Chemistry - A European Journal",

issn = "0947-6539",

publisher = "John Wiley and Sons Inc.",

number = "52",

}

TY - JOUR

T1 - A coordination network featuring two distinct copper(II) coordination environments for highly selective acetylene adsorption

AU - Chong, Magdalene W. S.

AU - Argent, Stephen P.

AU - Moreau, Florian

AU - Trenholme, William J. F.

AU - Morris, Christopher G.

AU - Lewis, William

AU - Easun, Timothy L.

AU - Schröder, Martin

PY - 2022/9/16

Y1 - 2022/9/16

N2 - Single crystals of 2D coordination network {Cu2L2 ⋅ (DMF)3(H2O)3}n (1-DMF) were prepared by reaction of commercial reagents 3-formyl-4-hydroxybenzoic acid (H2L) and Cu(NO3)2 in dimethylformamide (DMF). The single-crystal structure shows two distinct Cu(II) coordination environments arising from the separate coordination of Cu(II) cations to the carboxylate and salicylaldehydato moieties on the linker, with 1D channels running through the structure. Flexibility is exhibited on solvent exchange with ethanol and tetrahydrofuran, while porosity and the unique overall connectivity of the structure are retained. The activated material exhibits type I gas sorption behaviour and a BET surface area of 950 m2 g−1 (N2, 77 K). Notably, the framework adsorbs negligible quantities of CH4 compared with CO2 and the C2Hn hydrocarbons. It exhibits exceptional selectivity for C2H2/CH4 and C2H2/C2Hn, which has applicability in separation technologies for the isolation of C2H2.

AB - Single crystals of 2D coordination network {Cu2L2 ⋅ (DMF)3(H2O)3}n (1-DMF) were prepared by reaction of commercial reagents 3-formyl-4-hydroxybenzoic acid (H2L) and Cu(NO3)2 in dimethylformamide (DMF). The single-crystal structure shows two distinct Cu(II) coordination environments arising from the separate coordination of Cu(II) cations to the carboxylate and salicylaldehydato moieties on the linker, with 1D channels running through the structure. Flexibility is exhibited on solvent exchange with ethanol and tetrahydrofuran, while porosity and the unique overall connectivity of the structure are retained. The activated material exhibits type I gas sorption behaviour and a BET surface area of 950 m2 g−1 (N2, 77 K). Notably, the framework adsorbs negligible quantities of CH4 compared with CO2 and the C2Hn hydrocarbons. It exhibits exceptional selectivity for C2H2/CH4 and C2H2/C2Hn, which has applicability in separation technologies for the isolation of C2H2.

KW - adsorption

KW - copper

KW - crystal engineering

KW - metal-organic frameworks

KW - microporous materials

KW - supramolecular chemistry

U2 - 10.1002/chem.202201188

DO - 10.1002/chem.202201188

M3 - Article

SN - 0947-6539

VL - 28

JO - Chemistry - A European Journal

JF - Chemistry - A European Journal

IS - 52

M1 - e202201188

ER -

A coordination network featuring two distinct copper(II) coordination environments for highly selective acetylene adsorption

Abstract

Keywords

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