All Physical chemistry articles – Page 4
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Research
First ever peek at excited molecular orbitals in real time
Approach offers future possibility of observing ultrafast electron motion in time and space
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Research
Watching solvent molecules move in real time
X-ray techniques and molecular dynamics simulations were combined to obtain a molecular movie of a light-driven charge-transfer process
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Research
Half the world’s supply of element 99 used to reveal its chemical secrets
Scientists explore einsteinium’s unusual chemistry using less than 200 nanograms of the precious and highly radioactive material
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Research
How many water molecules make a droplet?
Water molecules behave like bulk water when surrounded by a sea of 20 others
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Opinion
When does a hydrogen bond become a covalent bond?
Ultrafast infrared spectroscopy probes the character of the short, strong bonds in HF2–
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Research
DFT boosts machine-learning models of nucleophilic aromatic substitution reactions
Best of both worlds for computational organic chemistry predictions
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Research
Intricate supramolecular rosette demonstrates power of cooperative interactions
Rosette assembles inside porphyrin nanoring when all components are present
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Research
Experimental proof of liquid–liquid transition in supercooled water
Diffraction measurements taken whilst laser heating pressurised water from an exotic frozen state
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Research
Ultrafast 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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Research
Hydrogen bonds join forces to maximise water–water interaction
Cooperative environment encourages stronger chemistry
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Research
Simulation says supercritical water has no hydrogen bonds
Computational approach seeks to clarify bonding confusion
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Research
Sulfur study delivers first experimental proof of a liquid–liquid critical point
Researchers interpret density anomaly as a sign of the critical opalescence phenomenon
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Research
Hydrogen bond imparts more stability on transition state than expected
Study reveals importance of repulsive interactions
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Research
Magnetic shielding maps reveal molecules’ aromaticity
Computational method is intuitive way to visualise Clar’s rule in polycyclic aromatic hydrocarbons
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Research
NMR findings suggest solution to enhanced diffusion dispute
Energy release rate may solve the puzzle of why the phenomenon is seen in some systems but not others
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Research
Complex molecule diffraction can start to Bragg
Diffraction with a drug and a dye takes interferometry with large molecules to the next level
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Research
Macrocycles slide freely across carbon nanotubes
Simulations suggest macrocycles show superlubricity at room temperature
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Research
Computational study supports theory that water has a second critical point
Liquid-liquid phase transition at deeply supercooled conditions could explain water’s distinctive behavior
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Research
Excited state potential energy curves reignite diatomic carbon’s bond order conundrum
Molecular orbital theory-based approach backs quadruple bond
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Opinion
Dick Zare: ‘I got into big fights with my science teacher’
The Stanford physical chemist recounts his eventful childhood in Cleveland, and how his first chemistry experiment led to a spanking