Tethered from the Head and from the Tail: The Structure of Hydroxyl-Functionalized Ionic Liquids

Raphael Ogbodo; Ieesha Ansar; Clinton Adu; Sharon I Lall-Ramnarine; James F Wishart; Andrew J Nieuwkoop; Claudio J Margulis

doi:10.1021/acs.jpclett.5c03046

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Tethered from the Head and from the Tail: The Structure of Hydroxyl-Functionalized Ionic Liquids

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Tethered from the Head and from the Tail: The Structure of Hydroxyl-Functionalized Ionic Liquids

Raphael Ogbodo, Ieesha Ansar, Clinton Adu, Sharon I Lall-Ramnarine, James F Wishart, Andrew J Nieuwkoop and Claudio J Margulis

The journal of physical chemistry letters, Vol.16, pp.12982-12988

12/11/2025

DOI: 10.1021/acs.jpclett.5c03046

PMCID: PMC12746441

PMID: 41379068

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Abstract

Ionic liquids with special functionalities are synthesized with the specific purpose of creating new patterns of interaction in the condensed phase. This Letter discusses the case of alcohol-functionalized ILs, the so-called HFILs, which are part of the larger cohort of task-specific ionic liquids. We find that this small chemical modification can cause massive changes in the liquid landscape when the cationic tails are longer. For prototypical ionic liquids, larger alkyl tails act as separators of charge networks, but in the case of HFILs these become physical charge network linkers. The OH functionality adds a large repertoire of interactions and correlations that were mostly unavailable to traditional ILs.

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Title: Subtitle: Tethered from the Head and from the Tail: The Structure of Hydroxyl-Functionalized Ionic Liquids
Creators: Raphael Ogbodo - University of Iowa
Ieesha Ansar - Queensborough Community College, CUNY
Clinton Adu - Rutgers, The State University of New Jersey
Sharon I Lall-Ramnarine - Queensborough Community College, CUNY
James F Wishart - Brookhaven National Laboratory
Andrew J Nieuwkoop - Rutgers, The State University of New Jersey
Claudio J Margulis - University of Iowa, Chemistry
Resource Type: Journal article
Publication Details: The journal of physical chemistry letters, Vol.16, pp.12982-12988
DOI: 10.1021/acs.jpclett.5c03046
PMID: 41379068
PMCID: PMC12746441
NLM abbreviation: J Phys Chem Lett
ISSN: 1948-7185
eISSN: 1948-7185
Publisher: American Chemical Society
Grant note: Division of Chemistry: 2416844 Queensborough Community College: NA U.S. Department of Energy: NA Division of Undergraduate Education: 1742056 Chemical Sciences, Geosciences, and Biosciences Division: DE-SC0012704
Work at the University of Iowa was supported by grant CHE-2416844, and work at Rutgers University was supported by grant CHE-2416845, both from the National Science Foundation (NSF). SIL-R was supported at BNL by the DOE Visiting Faculty Program, and IA was supported at BNL by the DOE Community College Internship Program. The work at BNL was supported by the U.S. Department of Energy (DOE), Office of Science, Office of Basic Energy Sciences, Division of Chemical Sciences, Geosciences, and Biosciences, under contract DE-SC0012704. Work at QCC was supported by the Professional Staff Congress of CUNY Research Award Program cycle 56, the CUNY Research Scholars Program, and the NSF under Grant No. 1742056.
Language: English
Date published: 12/11/2025
Academic Unit: Chemistry
Record Identifier: 9985092371802771

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