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

2D and 3D Cu(hfac)2 complexes with nitronyl nitroxide biradicals.

Eugene Tretyakov1, Sergei Fokin, Galina Romanenko

  • 1International Tomography Center, Siberian Branch of the Russian Academy of Sciences, 630090, Novosibirsk, Russia.

Inorganic Chemistry
|April 26, 2006
PubMed
Summary

New metal-organic frameworks synthesized from copper(II) bis(hexafluoroacetylacetonate) and nitronyl nitroxide biradicals exhibit ferromagnetic exchange interactions. The resulting chiral structures display unique helical arrangements and optical activity.

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

Synthesis and Characterization of Free and Coordinated Nitroxide and Nitronyl Nitroxide Diradicals with a 2,7-Naphthalene Coupling Unit.

Inorganic chemistry·2026
Same author

Thermomagnetic Bistability, Colossal Negative Thermal Expansion, and THz-Heat-Induced Switching in Cu-Nitroxide Complex.

Angewandte Chemie (International ed. in English)·2025
Same author

Magnetic superexchange switching by the transformation of a trigonal bipyramid into a square pyramid in a Cu(II)-nitroxide complex.

Dalton transactions (Cambridge, England : 2003)·2025
Same author

Ferrocenyl-substituted nitronyl nitroxide in the design of one-dimensional magnets.

Dalton transactions (Cambridge, England : 2003)·2024
Same author

Catalytic System for Cross-Coupling of Heteroaryl Iodides with a Nitronyl Nitroxide Gold Derivative at Room Temperature.

Molecules (Basel, Switzerland)·2023
Same author

2-Imidazoline Nitroxide Derivatives of Cymantrene.

Molecules (Basel, Switzerland)·2022

Area of Science:

  • Coordination Chemistry
  • Materials Science
  • Magnetism

Background:

  • Nitronyl nitroxide biradicals are organic molecules with unpaired electrons, making them suitable for magnetic studies.
  • Copper(II) bis(hexafluoroacetylacetonate) [Cu(hfac)2] is a common precursor in coordination chemistry.

Purpose of the Study:

  • To synthesize and characterize novel metal-organic frameworks using nitronyl nitroxide biradicals and Cu(hfac)2.
  • To investigate the structural and magnetic properties of the resulting compounds.

Main Methods:

  • Reaction of Cu(hfac)2 with specific nitronyl nitroxide biradicals (L4 and L8).
  • X-ray crystallography to determine the structures of the synthesized compounds ([Cu(hfac)2]2L4 and [Cu(hfac)2]2L8).
  • Analysis of magnetic exchange interactions based on structural data.

Related Experiment Videos

Main Results:

  • Formation of a framework compound [Cu(hfac)2]2L4 with 66-membered metallocycles and macrohelices.
  • Formation of a layered polymer compound [Cu(hfac)2]2L8.
  • The framework compound exhibits optical activity due to uniformly wound helices (P or M isomers).
  • Ferromagnetic exchange interactions were observed due to specific Cu-O-N bond distances.

Conclusions:

  • The study successfully synthesized novel coordination compounds with distinct structural architectures.
  • The chiral helical structures and ferromagnetic properties highlight the potential of these materials in molecular magnetism and chiral technologies.