Main group chemistry – Page 4
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ResearchAlkaline earth carbonyls break the rules
Complexes of Ca, Sr and Ba adopt a transition metal-like 18-electron configuration, rather than the octet more usually found in main group compounds
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ResearchFirst arsenic–germanium double bond made
Scientists use push–pull substitution to synthesise heavy imine
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ResearchCuboctahedral copper cluster promotes main group coordination to new high
First examples of compounds in which a sulfide, chloride or bromide ion holds so large a coordination number
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ResearchAI teaches itself to identify materials – and predict new ones too
Neural network trained up on 50,000 crystal structures shows promise rapidly navigating chemical element combinations
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NewsNoble gas’s days of fixed atomic weight argon
Chemistry’s standardisation body introduces atomic weight interval for argon and updates weights of another 13 elements
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Research73 new exotic nuclei discovered at Japanese institute
Hunt for remaining 4000 predicted nuclides goes on but new technology is needed to find them all
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ResearchAnionic aluminium turns textbook knowledge on its head
First stable nucleophilic aluminium(I) compound offers new way to make aluminium–carbon bonds
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ResearchHundreds of helium compounds could be hiding in Earth’s mantle
Although it doesn’t form any bonds, the noble gas can form compounds with salts at high pressure
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ResearchTwo atom reaction smallest chemistry experiment ever performed
Exquisite manipulation of a single sodium and caesium atom could herald start of an era of total control over chemistry
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ResearchBizarre bimetallic compounds break C–F bonds
First ever molecular Mg–Al bond constructed in study that reveals main group metal–metal bonds can readily react with aromatic fluorine
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Research2D gallium stripped from molten metal
Gallenene is the first atomically thin material made by exfoliating a liquid metal
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ResearchGermanium analogue of cyclobutadiene isolated
Polar Jahn–Teller distortion stabilises unusual molecule
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ResearchMaterial containing perfectly planar octacoordinate titanium predicted
Titanium falls flat in an eight-membered boron ring
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ResearchFirst boron–tellurium double bond captured
Unusual molecule features shortest boron bond to one of the rarest metals on Earth
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ResearchAll-metal ion mimics carbonate
Seven month reaction delivers peculiar tin–bismuth anion that is first solution-stable all-metal carbonate analogue
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ResearchThe big bang theory inspires discovery of new compound BaZnGa!
Fictional physicist Sheldon Cooper’s catchphrase has been brought to life in the lab
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ResearchChemists unravel why humans aren’t constantly bursting into flames
Strong π-bonding holds the secret to taming dioxygen diradicals
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ResearchScientists get charged up over titanium dioxide
Groups debate usefulness of conventional +4 titanium oxidation state compared to +2.5 charge state
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Research+2 lead hydride is world’s first
Organo-lead compound completes +2 hydride puzzle of heavy group 14 elements
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Research‘Pink phosphorus’ caged in carbon nanotubes
Highly reactive white phosphorus seen linking up to make new 1D form on way to red allotrope of the element