News tagged with hydrogen bonds

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Making carboxyl(ate) friends

When it comes to supramolecular chemistry, the carboxylic acid group (and its conjugate carboxylate base) is one of the chemist's most flexible friends. In pairs, they act as supramolecular synthons from which more complicated ...

dateApr 14, 2015 in Materials Science
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Unlikely hydrogen bond discovered

As with magnets and alternating current, positively charged molecules never aim for one another. Indeed, similarly charged poles are repelled. Nevertheless, a team from the University of Copenhagen's Department ...

dateMar 13, 2015 in Materials Science
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Molecules in a fluid not randomly arranged

FOM PhD researcher Matthijs Panman and his colleagues from the University of Amsterdam have demonstrated that molecules in liquid alcohol are not randomly oriented with respect to each other. The angle between ...

dateNov 13, 2014 in Condensed Matter
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Water molecules favor negative charges

(Phys.org) —In the presence of charged substances, H2O molecules favor associating with elements with a negative electrical charge rather than a positive electric charge. EPFL researchers have published ...

dateJul 16, 2014 in Materials Science
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Directly visualizing hydrogen bonds

Using a newly developed, ultrafast femtosecond infrared light source, chemists at the University of Chicago have been able to directly visualize the coordinated vibrations between hydrogen-bonded molecules—the ...

dateJul 15, 2014 in Materials Science
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