All Atoms and bonds articles
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ResearchAntiaromatic hydrocarbon boasts unusual stability
Pentalene-based system can reversibly switch between aromatic and antiaromatic states without undergoing skeletal or conformational changes
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ResearchCyclopropyl effect causes substituents on cyclohexane to favour axial conformation
‘Unusual stereocontrol element’ will help medicinal chemists increase three-dimensionality of drug candidates
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NewsBeyond hydrogen bonding: new definitions for secondary bonding interactions to end confusion
The 20-year struggle to define secondary bonding interactions
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ResearchOxygen’s exotic yet stable bonding in graphene explained
Aromaticity accounts for extended planar structure of oxygen on binding to three neighbouring carbons while enhancing system’s stability
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ResearchBoron cluster family breaks electron counting rules
Rare structures have unusual deltahedral shapes
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OpinionHigh entropy or just complex?
Several elements mixed in a single crystal phase isn’t necessarily a high entropy material
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FeatureMarvellous mixtures of metals
High entropy alloys, with anywhere from five or more different metals, have unusual properties and could find use in a variety of high-tech applications. Clare Sansom reports
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ResearchNew ‘supermolecule’ demonstrated for the first time at record-breaking ultracold temperature
Largest polyatomic molecule created and stabilised at just above absolute zero provides new insights into quantum chemistry
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ResearchKinky findings drive crystal growth paradigm shift claim
How molecules attach chemically at surfaces can be more important than how strongly solvents bind them in determining growth rate
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ResearchCollective bonding continues to divide opinion
New research supports counterintuitive explanation, but debate is far from settled
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ResearchPlutonium to carbon double bond a first
Findings offer insight into differences in chemical reactivity between actinides and lathanides
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![[Br4F21]- index image](https://d2cbg94ubxgsnp.cloudfront.net/Pictures/100x67/1/7/3/532173_br4f21indeximage_49094.jpg)
ResearchUnusual bridging fluorine discovered in one-of-a-kind interhalogen ion
Similarity to MgAgAs crystal structure takes researchers by surprise
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ResearchHow a new carbon allotrope could change the definition of aromaticity
New experiments are uncovering the secrets of cyclocarbons – molecular forms of pure carbon that had eluded chemists for decades
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ResearchWatching molecular ions transform in real time
A new method that combines ultrafast electron diffraction with multiphoton ionisation has captured the dynamics of a cation in the gas phase for the first time
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OpinionAn unprecedented supramolecular structure brings new complexities to life
The transcription factor FOXP3’s interactions with DNA present more evidence of the importance of disorder
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OpinionCrystal prophecies
There’s no guarantee that making a thermodynamically feasible structure will be easy, or even possible
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OpinionA milestone year
2024 is set to be a special year for Chemistry World because it’s 20 years since we published our first issue
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NewsThe story of how the most successful US–Russia scientific collaboration collapsed
Five jointly discovered superheavy elements completed the eighth row of the periodic but then Russian revanchism reared its head
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ResearchFlip-flopping aromaticity breaks fluorescence rule
Azulene switches between anti-aromaticity and aromaticity in its excited states, offering an explanation for why it doesn’t follow Kasha’s rule
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FeatureReaching into the non-covalent toolbox
Alongside supramolecular stalwarts, budding bonding forms are vying to be valuable, finds Andy Extance