Atoms and bonds – Page 12
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Research
Double aromaticity puts a hex on gallium
Planar hexacoordinate cluster isn’t stable when other group 13 elements replace gallium
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Model performs reality check on adsorbents for carbon capture
Tool could save researchers time by assessing new materials from a variety of angles
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Are organic chemists discovering fewer reactions than they were decades ago?
Analysis of millions of transformations reveals reliance on popular methods – and the rise of complex reactions
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Flawless quasicrystals may be possible to synthesise simply
Cutting misalignment should allow perfect structures to form
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Clippanes join rotaxanes and catenanes in mechanically interlocked molecule family
Keck-clip molecules consist of two entangled gold–carbene metallotweezers
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Meltable MOF glass made with ionic liquid
New family of glassy porous materials can be melted and moulded into any shape
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First fundamentally new form of adsorption for more than 90 years driven by molecular machines
Unlike physisorption and chemisorption, the newly discovered ‘mechanisorption’ is an active process that can store energy or chemicals
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Squeezed crystal becomes better catalyst
Fine-tuning platinum’s lattice strain with removable atomic spacers boosts its catalytic activity by up to 50%
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Materials swap cuts cost of green hydrogen device
Coating allows titanium electrolyser components to be replaced with stainless steel
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Uranium’s strong covalent bond breaks periodic table predictions
Actinide’s unusual covalency could explain its ability to fix nitrogen
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First snapshots of ionised water’s fleeting radical–cation pair
Ultrafast electron diffraction spots hydroxyl–hydronium complex before it separates a hundred quadrillionth of a second later
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Möbius metallacycles show their aromaticity with textbook reactivity
First electrophilic aromatic substitution reactions with unusual molecules
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Peptide superstructures speed up Michael reaction
A tripeptide that self-assembles into a supramolecular fibres accelerates an asymmetric benchmark reaction by up to 74%
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First vortex beam made entirely of atoms
Twisting atoms’ quantum mechanical wave function into a helix could reveal insights into atom–matter interactions
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Method to make unusual oligonucleotides could be a boon for gene therapy drugs
Synthesis can insert unusual linkages into DNA molecules while rivalling industry standard chemistry in speed and efficiency
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Giant molecular cage protects plastic-eating enzyme
Caged protein withstands temperatures much hotter than its usual melting point and becomes 1000 times more resistant to solvents
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First fluoronium crystal solves structure controversy
X-ray analysis of elusive cation finally proves it to be a symmetric near-covalent structure, not a carbocation
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Enantioselective synthesis of elusive chiral nitrogen compounds discovered by chance
An ‘elegant and simple’ way to make nitrogen stereocentres by supramolecular recognition
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Machine learning accurately predicts RNA structures using tiny dataset
Development could lead to better understanding of RNA and new medicines
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Overreliance on cryocooled protein structures may compromise computational structure-based drug design
Scientists behind first of its kind study encourage more researchers to analyse protein structures at room temperature