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Chemistry World March 2011 |
Column: The crucible Chemistry cannot all be reduced to physics, argues Philip Ball |
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 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 March 27, 2012 Erica Wise |
Unlocking the mysteries of ice The unusual properties of ice under compression are due to Coulomb repulsion between bonding and non-bonding electron pairs, say scientists from Singapore and China. |
Chemistry World September 26, 2013 Akshat Rathi |
First pictures of hydrogen bonds unveiled Researchers in China report the first visualization of a hydrogen bond using atomic force microscopy. |
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 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 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 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 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 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 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 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 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. |
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 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 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 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 November 22, 2009 Lewis Brindley |
Bonding under pressure An unusual compound of xenon and hydrogen has been made under high pressure by researchers in the US. |
Chemistry World August 8, 2008 Fred Campbell |
Uncovering uranium's unusual bonding Delving into the exotic world of f-block chemical bonding, US researchers have successfully isolated the first unsupported uranium-aluminum bond within an organometallic framework. |
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 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 February 23, 2015 Cally Haynes |
Ring closing highlights hydrogen bonding The discoloration rate of a fluorescent dye can act as a visual marker for changes in hydrogen bonding environment, new research shows. |
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 September 3, 2009 Phillip Broadwith |
New kind of bond hidden in all animals After 25 years of research, US chemists have identified a unique chemical bond that holds together type IV collagen dimer molecules. |
Chemistry World December 2, 2008 James Mitchell Crow |
Just add air for cleaner carbon bonding UK scientists have found a new way to clip together organic molecules that could be the ultimate green approach to making carbon-carbon bonds |
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 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 June 23, 2011 Simon Hadlington |
Breaking the carbon-fluorine bond US chemists have discovered a new way to break the bond between carbon and fluorine atoms - the strongest carbon bond there is. |
Chemistry World May 27, 2014 Simon Hadlington |
Unusual H-bond patterns revealed in single molecule image Researchers in the US have used a scanning tunnelling microscope to produce the latest images of structure and bonding in a single molecule, by sensing the molecule's local potential energy landscape. |
Technology Research News January 15, 2003 Eric Smalley |
Metal stores more hydrogen One reason the world isn't running on hydrogen fuel is that it's hard to store. Researchers from the National University of Singapore have made an accidental discovery that brings the promise of clean hydrogen energy a big step forward. |
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 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 July 16, 2009 Simon Hadlington |
Strange vibrations Researchers in Taiwan have shown that in a relatively simple molecular system the induced vibrations can inhibit the breaking of the bond and slow the reaction down. |
Chemistry World September 24, 2014 Richard Massey |
Acetaldehyde photolysis: right to roam Australian and US chemists have re-shaped our understanding of an important photochemical reaction that defies classical transition state theory and proceeds via multiple barrierless 'roaming' pathways. |
Chemistry World September 7, 2006 Tom Westgate |
Molecular Framework Sucks up Hydrogen Researchers have now developed a coordination framework material that is the best yet in terms of hydrogen storage. However, the materials currently require low temperatures to achieve the high loading of hydrogen. |
Chemistry World January 8, 2014 Philip Ball |
We choose to go to the muon Chemists Mohammad Goli and Shant Shahbazian posit two new light elements. They are muonium (Mu), in which an electron orbits a positively charged muon ( +), and muonic helium (He ), in which an electron orbits a 'nucleus' consisting of an alpha particle and a negative muon. |
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 January 28, 2009 Phillip Broadwith |
Water spilt with aluminium Aluminium clusters' ability to split water molecules and release hydrogen is dictated by the geometric arrangement of active sites on their surface, US scientists have discovered. |
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 November 16, 2007 Richard Van Noorden |
Tantalizing Boost for Hydrogen Storage US chemists have announced the discovery of a new hydrogen-storage material, which they say stores large amounts of the gas at room temperature. |
Chemistry World April 28, 2014 Simon Hadlington |
Elusive sigma aromaticity captured Chemists in the US have created a unique transition metal hydride in which the hydrogens form a five-membered aromatic ring, something that had been theorized, but until now never seen. |
Chemistry World February 9, 2012 Simon Hadlington |
Molecule mimics molybdenum catalyst Chemists in the US have created a molecule that closely resembles the key active portion of molybdenum disulfide, an important solid industrial catalyst that shows promise for the generation of hydrogen from water. |
Chemistry World November 29, 2013 Simon Hadlington |
Pressure cooker produces new metal hydride By squeezing iridium and hydrogen together under ultra-high pressures, researchers have produced a novel metal hydride with an unusually high hydrogen content and an unconventional structure. |
Chemistry World January 3, 2008 Simon Hadlington |
Key Plank of Theoretical Chemistry Rescued Theoretical chemists can breathe a sigh of relief after the publication of a study which shows that a cornerstone of their discipline seems to be intact despite earlier evidence to the contrary. |
Technology Research News November 17, 2004 |
Low-Pressure Material Holds Hydrogen One key to using hydrogen as a fuel is finding practical ways to store it. Researchers have discovered a kinetic trapping effect that allows hydrogen to be adsorbed. |
Chemistry World April 2, 2012 Jon Cartwright |
Hydrogen That Mimics Graphene Researchers claim to have discovered a new phase of hydrogen in which the diatomic molecules break apart to form six-atom rings, similar to graphene. The new phase, which occurs at very high pressures, could be a stepping stone towards a long-sought after phase: metallic hydrogen. |
Chemistry World April 14, 2013 Andy Extance |
Split water splitting raises green hydrogen hopes UK scientists say that they have developed the first widely-useable electrolysis system that splits water and releases hydrogen and oxygen in separate stages. |
Chemistry World January 26, 2011 Mike Brown |
Carbon nanotubes for hydrogen storage Researchers in Germany have designed a 3D carbon-based nanotube matrix that can store and release hydrogen extremely efficiently. The material could form the basis of a sustainable hydrogen economy, they say. |