Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Ring currents in icosahedral c60.

A Pasquarello, M Schlüter, R C Haddon

    Science (New York, N.Y.)
    |September 18, 1992
    PubMed
    Summary
    This summary is machine-generated.

    New calculations reveal significant pi electron ring currents in C(60) molecules. These currents impact nuclear magnetic resonance chemical shifts, offering insights into molecular electronic properties.

    Related Concept Videos

    You might also read

    Related Articles

    Articles linked to this work by shared authors, journal, and citation graph.

    Sort by
    Same author

    Modeling and validating of oxygen transport in wave bioreactors: optimized experimental mass transfer method and novel Lattice-Boltzmann CFD approach.

    Frontiers in bioengineering and biotechnology·2026
    Same author

    4D deep learning for real-time volumetric optical coherence elastography.

    International journal of computer assisted radiology and surgery·2020
    Same author

    MCC950 blocks enhanced interleukin-1β production in patients with NLRP3 low penetrance variants.

    Clinical immunology (Orlando, Fla.)·2019
    Same author

    Introducing the H2020 AQUACROSS project: Knowledge, Assessment, and Management for AQUAtic Biodiversity and Ecosystem Services aCROSS EU policies.

    The Science of the total environment·2018
    Same author

    [Interventional catheter treatment of tricuspid valve regurgitation].

    Der Internist·2017
    Same author

    Impact of surface condition and roughness on sediment formation: an experimental sewer system operated with real wastewater.

    Water science and technology : a journal of the International Association on Water Pollution Research·2017
    Same journal

    Erratum for the Research Article "Detecting supramolecular organic nanoparticles during heat wave".

    Science (New York, N.Y.)·2026
    Same journal

    Local signals, systemic decline.

    Science (New York, N.Y.)·2026
    Same journal

    The mechanics of liver regeneration.

    Science (New York, N.Y.)·2026
    Same journal

    Computing in a memory with physics.

    Science (New York, N.Y.)·2026
    Same journal

    Retraction.

    Science (New York, N.Y.)·2026
    Same journal

    Making time.

    Science (New York, N.Y.)·2026
    See all related articles

    Area of Science:

    • Theoretical Chemistry
    • Computational Chemistry
    • Materials Science

    Background:

    • Understanding electronic properties of complex molecules like fullerenes is crucial.
    • Previous models struggled to accurately describe electron delocalization in topologically complex structures.
    • Ring currents are fundamental to aromaticity and molecular magnetism.

    Purpose of the Study:

    • To develop a new theoretical framework for calculating ring currents in complex molecules.
    • To investigate the presence and nature of pi electron ring currents in C(60) (buckminsterfullerene).
    • To assess the impact of these ring currents on measurable properties like chemical shifts.

    Main Methods:

    • A novel formulation of the London approximation for current calculations.

    Related Experiment Videos

  • Application of the theory to the C(60) fullerene molecule.
  • Analysis of paramagnetic and diamagnetic current contributions.

    • Main Results:

    • Demonstrated the existence of significant pi electron ring currents in C(60).
    • Identified strong paramagnetic currents within pentagonal faces and weaker diamagnetic currents around the molecule.
    • Observed that the overall magnetic susceptibility cancels out due to opposing contributions.
    • Showed that ring currents significantly influence nuclear magnetic resonance (NMR) chemical shifts.

    Conclusions:

    • The new theory accurately captures complex electronic behavior in fullerenes.
    • Ring currents in C(60) are substantial and locally impactful, despite overall susceptibility cancellation.
    • NMR chemical shifts are sensitive probes of these local ring current effects, unlike bulk magnetic susceptibility.