Main group chemistry – Page 4
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ResearchFrozen fluorine’s structure revisited after 50 years
Second ever crystal structure of solid fluorine solves 50-year-old crystal symmetry conundrum
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ResearchOdd boron compound gets two nitrogen molecules to link up
Bis-dinitrogen made directly from nitrogen gas in first-of-its-kind reaction
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ResearchBismuth gets involved in small molecule activation
Reaction adds to research blurring the lines between transition metal and main group compounds
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ResearchSqueezable copper–nitrogen compound made under extreme pressure and heat
Scientists create copper diazenide in first direct reaction between nitrogen and copper
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ResearchNew analogue of cyclohexane is first cyclic silicon–aluminium compound
Rare example of bonds between common elements
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ResearchHydrides come within a whisker of room temperature superconductivity
High pressure lanthanum superhydride sets a new critical temperature record, validating theoretical predictions
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ResearchQuasi-cubic iodine fluoride predicted under pressure
IF8 would have the highest ever coordination number in a neutral main group compound
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ResearchBonding rethink called for as new metavalent bond proposed
Combination of elements in the metalloid region of periodic table produces a bond with both metallic and covalent characteristics
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ResearchHydrogen sulfide surprises as it's discovered to have hydrogen bonds
Nobel laureate Linus Pauling was wrong – H2S does form hydrogen bonds after all
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ResearchInorganic molecule mimics odd benzene isomer
Zwitterionic boron–nitrogen compound has σ bond between two π orbitals
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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