Similar Articles |
|
Chemistry World November 3, 2015 Matthew Gunther |
IR spectroscopy stretches knowledge of hydrogen bonding Scientists in Denmark have, for the first time, detected a hydrogen bond between an N -- H and phosphorus in the gas phase. |
Chemistry World November 3, 2010 Andy Extance |
Hydrogen bond set to be redefined The world authority on chemical nomenclature is preparing to scrap the familiar hydrogen bond definition, in light of recent evidence about its true nature. |
Chemistry World January 29, 2015 Santiago Alvarez |
What we mean when we talk about bonds The chemical bond is still a matter of lively debate among chemists, even a century after Gilbert Lewis introduced his electron pair bonding concept. |
Chemistry World October 3, 2014 Jennifer Newton |
Assessing covalency in the hydrogen bond zoo Worried that the concept of hydrogen bonding has been getting fuzzier over time, scientists in Germany have sought a fresh look at the very nature of these bonds, and how much covalency they involve. |
Chemistry World March 25, 2013 David Bradley |
Hydrogen bond under the microscope Scientists in Japan have designed a scanning tunnelling microscope tip that allowed them to measure electron transfer across a single hydrogen bond. |
Chemistry World November 18, 2012 Simon Hadlington |
C-O bond stretched to record length Chemists in the US have stretched the C-O bond to a record length, an 'extraordinary' 1.622 angstroms, compared with a typical length of around 1.43 angstroms in ethers. |
Chemistry World October 1, 2015 Matthew Gunther |
Excess protons play hopscotch in water Scientists in the US have observed how excess protons move through water. |
Chemistry World May 21, 2010 Simon Hadlington |
H-bond partner-swapping seen in the flesh The dance moves that a water molecule makes as it flips hydrogen bonds from one partner to another have been captured by US researchers. |
Chemistry World June 28, 2011 Simon Hadlington |
A Cool Way to Store Hydrogen? Theoretical chemists in the US have suggested a rather more commonplace solution to store hydrogen: ice. |
Chemistry World April 26, 2011 Manisha Lalloo |
Pnicogens link up as new bond is discovered German researchers have discovered a chemical oddity - a new type of intramolecular interaction between group 15 atoms, which is as strong as a hydrogen bond. These interactions could be used to build supramolecular structures. |
Chemistry World September 3, 2008 Lewis Brindley |
Hydroxide argument settled Scientists in Germany say they have settled an argument over how hydroxide ions travel quite so quickly through water, after finding evidence that they can donate a weak hydrogen bond. |
Chemistry World October 6, 2011 Manisha Lalloo |
Oxygen Isotopes Help to Probe Water's Structure Scientists have used isotopic substitution of oxygen to take a closer look at the molecular structure of water. |
Chemistry World February 12, 2013 Philip Ball |
Water structure controversy laid to rest? A controversy about the structure of liquid water that has raged for almost a decade may be laid to rest by a new computational study. |
Chemistry World May 13, 2013 Philip Ball |
The name's (quadruple) bond? The nature of C 2 is still imperfectly understood and has recently sparked extensive debate in the chemical literature. The question seems simple: how are the two atoms bonded? |
Chemistry World November 7, 2013 Polly Wilson |
Hydrogen adopts alkali metal position For the first time, scientists have shown that hydrogen can stand in for alkali metals in typical alkali metal structures. |
Chemistry World March 27, 2015 James Urquhart |
Graphene sandwich turns water square Sandwiching water between two sheets of graphene leads to it freezing at room temperature to form two-dimensional square ice crystals, a hitherto unknown phase of ice. |
Chemistry World April 29, 2009 Matt Wilkinson |
World's first 'naked' uranium-transition metal bond formed UK scientists have made 'naked' uranium-transition metal bonds, providing vital evidence that valence orbitals can play a role in actinide bonding. |
Chemistry World February 18, 2011 Carol Stanier |
Speed dating for pharmaceuticals A simple analysis of hydrogen bond strengths finds the best crystallisation partners for drugs, say UK scientists. |
Chemistry World September 13, 2012 Philip Ball |
Bright idea to probe bond order The order of multiple bonds can be uncovered using atomic force microscopy, according to Leo Gross of IBM Research in Zurich and his co-workers. |
Chemistry World September 12, 2013 Andy Extance |
Sulfur difluoride dimer exposes bonding strangeness Calculations on unusual bonding in the sulfur difluoride dimer FSSF 3 have provided evidence to help explain why some compounds don't follow long-established chemical rules. |
Chemistry World November 7, 2007 James Mitchell Crow |
Shortest Metal Bond Chemists in the US have made a quintuply-bonded dichromium complex with the shortest metal-metal bond ever isolated. |
Chemistry World November 10, 2014 Andy Extance |
Hydrogen bond pictures come under close scrutiny Scientists have cast doubt on whether striking atomic force microscopy images previously thought to show hydrogen bonds are real or merely an artefact. |
Chemistry World December 4, 2006 Richard Van Noorden |
Hydrogen Gets Promiscuous Hydrogen is a more promiscuous element than chemists have appreciated: it can form up to six strong chemical bonds in some solids, researchers report. |
Chemistry World July 3, 2015 Michaela Muehlberg |
Fluorescent protein spectrum shunted by single hydrogen bond Scientists in Denmark have found that a single hydrogen bond can have a drastic effect on the photophysical properties of molecular chromophores found in fluorescent proteins. |
Chemistry World September 14, 2011 Simon Hadlington |
World's Longest Carbon-Carbon Bond Created Harnessing both attractive and repulsive forces enabled chemists to make a carbon-carbon bond 30 per cent long than normal. |
Chemistry World October 14, 2014 James Urquhart |
Good vibrations for electron microscopy The physical and chemical properties of materials will be better understood thanks to researchers who added vibrational spectroscopy to the electron microscope at a spatial resolution of just a few nanometers. |
Chemistry World May 8, 2013 Cara E Sutton |
Coming unstuck with DNA A DNA-based glue has been developed by scientists at the University of Illinois, US. The adhesive uses DNA base pair mimics that bind to each other more strongly than their natural counterparts and may lead to glues far more powerful than Super Glue. |
Chemistry World December 10, 2010 Carl Saxton |
Breaking news for the CO bond UK scientists have pinpointed the moment that the CO bond, the strongest bond of any diatomic molecule, breaks when oxidised by a gold catalyst. |
Reactive Reports Issue 72 David Bradley |
Ice Age the Movie The ordered structure of ice dissolves little by little into disorder when a tiny burst of light hits an ice crystal. |
Chemistry World January 20, 2010 James Urquhart |
Disilicate synthesis success A compound containing a stable silicon-silicon bond between two negatively charged pentacoordinated silicon atoms - silicates - has been synthesized and isolated for the first time by Japanese researchers. |
Chemistry World February 28, 2008 James Mitchell Crow |
Chloride Ions in a Bind Chemists in the US have designed a donut-shaped molecule that tightly binds negatively-charged chloride ions. |
Chemistry World December 10, 2014 Jason Woolford |
I meets I for a hole lot of bonding Researchers in India have provided experimental verification that a co-operative I -hole and I -hole are responsible for holding the molecules of an isothiocyanate based peptide together in its crystal lattice. |
Chemistry World January 15, 2010 Andy Extance |
Quantum computer hits hydrogen bullseye A basic quantum computer has successfully tackled one of the most challenging tasks facing chemists today - calculating molecular energy from basic scientific principles. |
Chemistry World December 9, 2013 Jessica Cocker |
Hydrogen breaks strong bonds with brute force A method developed by Leo Lau of Western University in Canada and colleagues can break C -- H bonds without damaging the rest of the molecule. |
Chemistry World January 29, 2012 Andy Extance |
Calculations reveal carbon-carbon quadruple bond C 2's two carbon atoms aren't joined by a double bond as usually thought, or even a triple bond, but in fact a quadruple bond. |
Chemistry World October 22, 2014 Simon Hadlington |
Isotope effect produces new type of chemical bond New work by researchers shows how substituting isotopes can result in fundamental changes in the nature of chemical bonding. |
Chemistry World September 13, 2006 Simon Hadlington |
Red Oxygen Structure Revealed An international team of researchers has cracked a conundrum that has baffled scientists for years: they have elucidated the crystalline structure of an enigmatic phase of solid oxygen that arises when the molecule is subjected to high pressure. |
Chemistry World March 21, 2007 Richard Van Noorden |
Forcing a Reaction US chemists have forced molecules to react by ripping their bonds apart with ultrasound. The scientists carefully stretched one targeted bond until it snapped, guiding the molecule's subsequent reaction into pathways forbidden by conventional chemistry. |
Chemistry World June 25, 2015 Matthew Gunther |
Z machine puts the squeeze on metallic deuterium Scientists in the US and Germany have successfully transformed liquid deuterium into a metal at pressures rivaling those at the center of our own planet. |
Chemistry World March 25, 2012 Phillip Broadwith |
Germanium-Oxygen Double Bond Takes Centre Stage The first compound with a germanium-oxygen double bond has been created by Japanese scientists. |
Chemistry World June 14, 2013 Philip Ball |
Protons wander freely in icy gas giant cores If you squeeze ice hard enough, its protons fall off. That's the conclusion of a new study by Malcolm Guthrie of the Carnegie Institution of Washington and colleagues. |
Chemistry World March 2, 2012 Andrea McGhee |
Nanowires heading in the right direction Scientists in Switzerland have controlled the supramolecular self-assembly of polymers to form nanofibrils that could be used as organic nanowires in electronic devices. |
Chemistry World February 16, 2012 Simon Hadlington |
'Proton grease' speeds up molecular rotor A molecular rotor whose spin can be accelerated 10-million-fold when its mechanism is 'lubricated' by protons has been synthesized by chemists in the US. |
Chemistry World March 2006 |
The Last Retort: Still Baffled by H2O A laboratory in the U.S. has a mission to investigate the chemistry and physics of pure water more deeply than anyone has done before, with the help of a supercomputer called Thunder. |
Chemistry World February 25, 2015 Dannielle Whittaker |
Computational tool leaves electrides with nowhere to hide Scientists in Spain have proven the existence of gas-phase electride materials through a computational method with the ability to distinguish electrides from similar ionic compounds. |
Chemistry World May 29, 2015 Andy Extance |
Noble gas joins I -hole interaction crowd Despite noble gases' characteristic unreactivity, Spanish chemists have calculated that molecules containing xenon can interact non-covalently through what they've called 'aerogen bonding'. |
Chemistry World October 1, 2007 Lewis Brindley |
Semiconductor Splits Water with Sunlight Scientists in Germany have developed a promising new catalyst that splits water using sunlight -- and stores the hydrogen and oxygen produced. |
Chemistry World December 23, 2008 Tom Westgate |
Gallium and uranium join forces A molecule featuring the first ever uranium-gallium bond may shed light on how related carbene ligands selectively extract uranium from lanthanides |
Chemistry World October 11, 2013 Andy Extance |
'Tetrel bonding' emerges from I -hole Researchers have coined the term 'tetrel bonding' to highlight little-studied but powerful non-covalent bonding between electron donors and the group 14 elements, silicon, germanium and tin. |
Chemistry World July 20, 2012 Simon Hadlington |
New type of chemical bond around dwarf stars The work, led by Trygve Helgaker at the University of Oslo in Norway, not only provides insights into fundamental aspects of electronic interactions with magnetic fields, but also sheds light on the exotic chemistry that exists in stellar environments. |