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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 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 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 March 2011 |
Column: The crucible Chemistry cannot all be reduced to physics, argues Philip Ball |
Chemistry World June 14, 2012 David Bradley |
Tripling up on boron bonds Carbon and nitrogen are well known for their triple bonds, but making stable compounds with a triple bond between two boron atoms hadn't been achieved despite the computational possibilities. Until now. |
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 August 14, 2012 Andy Extance |
Carbon clusters score lucky seven US and Chinese chemists say that they've calculated the structure of a stable carbon dication that would have a higher coordination number than any yet seen experimentally. |
Chemistry World August 2011 |
Column: The crucible Philip Ball wonders to what extent molecular structures are metaphorical and philosophical. |
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 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 December 13, 2009 Lewis Brindley |
Breaking the strongest bonds Chemists have uncovered a way to sever two of the strongest bonds in chemistry - in dinitrogen and carbon monoxide - and make useful organic compounds. |
Chemistry World January 29, 2010 Phillip Broadwith |
Silicon goes aromatic Chemists in the UK have constructed a structural analogue of benzene made from silicon atoms. The molecule is not flat like benzene, but it reveals a new type of aromatic stabilisation. |
Chemistry World August 21, 2008 Fred Campbell |
Double bonding with silicon In a landmark for silicon chemistry, US researchers have reported the first stable silicon (0) compound to contain a silicon-silicon double 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 June 23, 2015 Matthew Gunther |
Photo-catalysts shine light on chemical bond making A team of scientists from Israel and Germany have manipulated bond formation in a chemical reaction using high power lasers |
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 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 September 24, 2009 Phillip Broadwith |
Carbon can't but tin can US chemists have discovered that distannynes - tin-based analogues of acetylenes - can react reversibly with ethene to make cyclic complexes. |
Reactive Reports November 2007 David Bradley |
Organic Uranium The first ever uranium methylidyne molecule has been synthesized by US chemists despite the reactivity of the heavy, heavy metal. |
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 May 20, 2008 Philip Ball |
Core electrons' quantum jig revealed Experiments in quantum mechanics are a little like conversations: the answer you get depends on how you ask the question. |
Chemistry World June 23, 2015 Philip Ball |
Ultra-bright x-rays film molecular reaction A team working at the Stanford Linear Collider in California claims to have made 'the first molecular movie' using ultra-fast x-ray scattering from molecules as they undergo a chemical reaction. |
Chemistry World July 13, 2015 Philip Ball |
First snapshot of elusive intermediate supplies surprise A team near Zurich in Switzerland, has been able to take a single-molecule snapshot of an intermediate in a common class of organic reactions. |
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 May 30, 2012 Jon Cartwright |
Tiny buckyball grown around metal atom An international team of researchers has observed the smallest fullerene to form spontaneously to date using metal atoms for stabilization. |
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 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 June 13, 2012 Simon Hadlington |
Exploding molecule provides 3D bond images Researchers from the US and Germany have demonstrated a new way to obtain accurate three-dimensional images of molecules, with precise measurements of the geometry of the molecule's chemical bonds. |
Chemistry World September 19, 2014 Hugh Cowley |
Quintuple bond activates small stable molecules The activation of carbon dioxide, sulfur dioxide and nitrous oxide by a quintuply bonded dichromium complex has been reported by a team of researchers from Germany. |
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 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 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 March 2010 Philip Ball |
Column: The crucible Superatoms reinforce the notion that chemistry is more about electrons than elements, says the author |
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 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 February 6, 2012 David Bradley |
10 out of 10 for boron's coordinated effort A team in the US has created a boron compound that has the highest coordination number of any planar species, squeezing 10 spoke-like bonds from a central metal hub to 10 boron atoms equally spaced around a nanoscopic wheel. |
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 February 8, 2006 Jon Evans |
To Boldly go Where no Chemist Has Gone Before Studying the interactions between different molecular fragments is taking researchers to the uncharted regions of chemical space. |
Chemistry World July 8, 2010 Phillip Broadwith |
Flattening carbon UK researchers have managed to synthesise a molecule with an almost planar four-coordinate carbon atom bonded to two lithium atoms and bulky organic ligands. |
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 December 15, 2010 Hayley Birch |
New technique probes electron properties of individual atoms A new, low voltage electron microscopy technique allows scientists to discriminate not just between atoms of different elements but between atoms of the same element in different electronic states. |
Chemistry World July 3, 2014 Tami Spector |
Of atoms and aesthetics Molecular aesthetics means many things to a few people. For some it means tangible aspects of compounds; for others yet, the ways that chemists represent molecules. |
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 June 2008 Sarah Houlton |
Breaking the rules The author finds out about some chemical tricks that can give a new drug the best possible odds of success |
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 December 2009 |
Column: The crucible Three chemists have resurrected the art of science debate by publishing their conversations on the nature of bonds. This is science that makes you smile, says Philip Ball. |
Chemistry World September 29, 2015 |
Navigating chemical space How big is chemistry? I don't mean how important is it, or how many people do it, but rather, how many molecules are there that we could make? |
Chemistry World October 18, 2007 Simon Hadlington |
Nanoparticle Reveals Sulfur's Midas Touch Researchers in the US have taken a snapshot of the inside of a gold nanoparticle, shedding crucial new light on one of chemistry's longest-standing questions: how does sulfur bind to gold? |
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 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. |