Atoms and bonds – Page 18
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ResearchTheoretical study predicts iron–carbon quadruple bond
Bond could begin a new trend in main group multiple bonding
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ResearchNew ordering of elements could help find materials with promising properties
Universal sequence of elements index uses atomic radii and electronegativity to make predictions about simple compounds
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ResearchTrinuclear complex is a rare example of bottled double aromaticity
First report of a system containing a ruthenium atom that takes part in two different types of aromaticity simultaneously
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ResearchBig data behind cheat sheets for optimising Buchwald–Hartwig cross-couplings
Interactive tools based on data from 62,000 reactions could help chemists eliminate human biases when selecting reaction conditions
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ResearchMachine-learning software competes with human experts to optimise organic reactions
Researchers say the tool is an inexpensive approach to yield optimisation for chemistry labs that can’t afford robots
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ResearchMachine-designed natural product syntheses pass ‘Turing test’ for chemistry
Software updates allow Chematica to design sophisticated synthetic pathways, planning each step four or five moves ahead
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ResearchTunable graphene oxide–polymer membrane mimics biological membranes
Composite material’s permeability and selectivity varies with pH
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ResearchLessons from an unlikely cadmium carbonyl compound
Complete structural reassignment sees cadmium, carbon and chlorine replaced with rhenium, nitrogen and sulfur
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ResearchPlanar fivefold bonding with silicon and germanium at the centre
Electronegative elements key to stabilising exotic structures, simulations show
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ResearchSilanols explain the lethal toxicity of silica dust
After decades of ambiguity, scientists have finally discovered what makes silica toxic
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ResearchFast-acting insecticide polymorph could boost malaria-control efforts
Recrystallised deltamethrin accelerates uptake in mosquitoes
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ResearchSalt bridge strategy expands access to pharmaceutical cocrystals
New approach to cocrystallisation could lead to exciting multi-drug combinations
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ResearchUltrafast experiments capture speed-of-light excitation delay as photon travels across H2
Photon excites one end of the molecule first, and then the other end 247 zeptoseconds later
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ResearchHammett equation parameters optimised for improved predictive power
Update overcomes limitations and eliminates human biases intrinsic to the original formulation
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ResearchRoom temperature superconductivity finally claimed by mystery material
At high pressures carbon–hydrogen–sulfur compound becomes superconducting at 15˚C
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ResearchIridium pincer complex promotes unprecedented ether decarbonylation
Scientists stumble upon unique transformation that involves breaking an extraordinary number of bonds
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ResearchUniversal chemistry software can turn words into chemicals
System could be the beginning of a brave new world of democratised chemistry
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ResearchSuper-cool study finds hints as to why water is so weird
Preventing complete freezing down to 135K supports theories suggesting a two-state mixture exists
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ResearchNew carbon allotrope predicted to hit bandgap sweet spot
Mixed hybridisations of carbon could see Me-graphene have a Poisson’s ratio close to zero
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ResearchChemistry Nobel predictions range from organometallic chemistry to DNA synthesis
Crispr is favoured by chemists while publication analysis forecasts winners working on nanocrystals, organometallic chemistry and supramolecular self-assembly