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Hydrogen-bonded hos...
Hydrogen-bonded host–guest systems are stable in ionic liquids
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- Naranjo, Teresa (author)
- IMDEA Nanociencia, Faraday 9,Campus UAM, Madrid 28049, Spain.
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- Álvarez-Asencio, Ruben (author)
- RISE,Kemiska processer och läkemedel,RISE Res Inst Sweden, Biosci & Mat, S-11428 Stockholm, Sweden.
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- Pedraz, Patricia (author)
- IMDEA Nanociencia, Faraday 9,Campus UAM, Madrid 28049, Spain.
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- Nieto-Ortega, Belen (author)
- IMDEA Nanociencia, Faraday 9,Campus UAM, Madrid 28049, Spain.
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- Silva, Sara (author)
- IMDEA Nanociencia, Faraday 9,Campus UAM, Madrid 28049, Spain.
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- Burzurí, Enrique (author)
- IMDEA Nanociencia, Faraday 9,Campus UAM, Madrid 28049, Spain.
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- Rutland, Mark W., Professor (author)
- KTH,RISE,Material- och ytdesign,KTH Royal Institute of Technology, Sweden,Yt- och korrosionsvetenskap,RISE Res Inst Sweden, Biosci & Mat, S-11428 Stockholm, Sweden.
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- Pérez, Emilio (author)
- IMDEA Nanociencia, Faraday 9,Campus UAM, Madrid 28049, Spain.
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IMDEA Nanociencia, Faraday 9,Campus UAM, Madrid 28049, Spain Kemiska processer och läkemedel (creator_code:org_t)
- 2020-09-22
- 2020
- English.
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In: Scientific Reports. - : Nature Research. - 2045-2322. ; 10
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https://www.nature.c...
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Abstract
Subject headings
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- We show that H-bonded host–guest systems associate in ionic liquids (ILs), pure salts with melting point below room temperature, in which dipole–dipole electrostatic interactions should be negligible in comparison with dipole-charge interactions. Binding constants (Ka) obtained from titrations of four H-bonded host–guest systems in two organic solvents and two ionic liquids yield smaller yet comparable Ka values in ionic liquids than in organic solvents. We also detect the association event using force spectroscopy, which confirms that the binding is not solely due to (de)solvation processes. Our results indicate that classic H-bonded host–guest supramolecular chemistry takes place in ILs. This implies that strong H-bonds are only moderately affected by surroundings composed entirely of charges, which can be interpreted as an indication that the balance of Coulombic to covalent forces in strong H-bonds is not tipped towards the former. © 2020, The Author(s).
Subject headings
- NATURVETENSKAP -- Kemi -- Fysikalisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Physical Chemistry (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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