Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Coordination Number and Geometry

Coordination Number and Geometry

For transition metal complexes, the coordination number determines the geometry around the central metal ion. Table 1 compares coordination numbers to molecular geometry. The most common structures of the complexes in coordination compounds are octahedral, tetrahedral, and square planar.

Coordination Compounds and Nomenclature

Coordination Compounds and Nomenclature

In most main group element compounds, the valence electrons of the isolated atoms combine to form chemical bonds that satisfy the octet rule. For instance, the four valence electrons of carbon overlap with electrons from four hydrogen atoms to form CH4. The one valence electron leaves sodium and adds to the seven valence electrons of chlorine to form the ionic formula unit NaCl (Figure 1a). Transition metals do not normally bond in this fashion. They primarily form coordinate covalent bonds, a...

Lattice Centering and Coordination Number

Lattice Centering and Coordination Number

The structure of a crystalline solid, whether a metal or not, is best described by considering its simplest repeating unit, which is referred to as its unit cell. The unit cell consists of lattice points that represent the locations of atoms or ions. The entire structure then consists of this unit cell repeating in three dimensions. The three different types of unit cells present in the cubic lattice are illustrated in Figure 1.
Types of Unit Cells
Imagine taking a large number of identical...

Equations of Motion: Rectangular Coordinates and Cylindrical Coordinates

Equations of Motion: Rectangular Coordinates and Cylindrical Coordinates

Understanding the motion of particles is a fundamental aspect of classical mechanics, and the choice of the coordinate system plays a pivotal role in unraveling the complexities of their dynamics.
When a particle moves relative to an inertial frame, the equations of motion can be expressed using rectangular components. If the motion is confined to the x-y plane, the equations having the x and y coordinates only can be used to simplify the mathematical representation.
However, when particles...

Gene Evolution - Fast or Slow?

Gene Evolution - Fast or Slow?

The genomes of eukaryotes are punctuated by long stretches of sequence which do not code for proteins or RNAs. Although some of these regions do contain crucial regulatory sequences, the vast majority of this DNA serves no known function. Typically, these regions of the genome are the ones in which the fastest change, in evolutionary terms, is observed, because there is typically little to no selection pressure acting on these regions to preserve their sequences.
In contrast, regions which code...

Gene Evolution - Fast or Slow?

Gene Evolution - Fast or Slow?

You might also read

Related Articles

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

Sort by

Same author

Photoacid Mediated Spin State Switching in Spin-Crossover Systems: The Example of an Fe(II)-Acylhydrazone Complex.

Journal of the American Chemical Society·2026

Same author

Achieving Ambient-Temperature Multiway Bistability via Electron-Transfer-Coupled Spin-State Switching in 2D Hexagonal Materials.

Small (Weinheim an der Bergstrasse, Germany)·2026

Same author

Dual Cluster-Surface Click Chemistries on Silver Nanoclusters.

Small science·2026

Same author

Benzylidene insertion reactions in organoplatinum chemistry: mechanism and selectivity.

RSC advances·2026

Same author

Understanding the successes and challenges of a social prescribing program for children and youth in Canada: a qualitative evaluation.

Frontiers in public health·2026

Same author

Solvent-Regulated Lattice Elasticity and Pressure-Induced Multi-Stimuli Spin-State Bistability in a Porous Hexagonal Framework.

Angewandte Chemie (International ed. in English)·2026

Search research articles

Related Experiment Video

Updated: Jan 27, 2026

Free Radicals in Chemical Biology: from Chemical Behavior to Biomarker Development

Free Radicals in Chemical Biology: from Chemical Behavior to Biomarker Development

Published on: April 15, 2013

Slow magnetization dynamics in a six-coordinate Fe(ii)-radical complex.

Carolyn A Michalowicz¹, Michelle B Mills, Ellen Song

¹Department of Chemistry, University of Guelph, Guelph, Ontario N1G 2W1, Canada. kpreuss@uoguelph.ca.

Dalton Transactions (Cambridge, England : 2003)

|March 14, 2019

Summary

This summary is machine-generated.

Researchers developed a novel paramagnetic ligand, betaDTDA, and its iron complex. This new material exhibits single-molecule magnet behavior at low temperatures, opening new avenues in molecular magnetism research.

More Related Videos

Line Shape Analysis of Dynamic NMR Spectra for Characterizing Coordination Sphere Rearrangements at a Chiral Rhenium Polyhydride Complex

Line Shape Analysis of Dynamic NMR Spectra for Characterizing Coordination Sphere Rearrangements at a Chiral Rhenium Polyhydride Complex

Published on: July 27, 2022

Quantifying Infra-slow Dynamics of Spectral Power and Heart Rate in Sleeping Mice

Quantifying Infra-slow Dynamics of Spectral Power and Heart Rate in Sleeping Mice

Published on: August 2, 2017

Related Experiment Videos

Last Updated: Jan 27, 2026

Free Radicals in Chemical Biology: from Chemical Behavior to Biomarker Development

Free Radicals in Chemical Biology: from Chemical Behavior to Biomarker Development

Published on: April 15, 2013

Line Shape Analysis of Dynamic NMR Spectra for Characterizing Coordination Sphere Rearrangements at a Chiral Rhenium Polyhydride Complex

Line Shape Analysis of Dynamic NMR Spectra for Characterizing Coordination Sphere Rearrangements at a Chiral Rhenium Polyhydride Complex

Published on: July 27, 2022

Quantifying Infra-slow Dynamics of Spectral Power and Heart Rate in Sleeping Mice

Quantifying Infra-slow Dynamics of Spectral Power and Heart Rate in Sleeping Mice

Published on: August 2, 2017

Area of Science:

Coordination Chemistry
Materials Science
Magnetism

Background:

Development of novel paramagnetic ligands is crucial for advancing molecular magnetism.
Dithiadiazolyl ligands offer unique electronic properties for magnetic exchange.
Iron complexes are widely studied for their magnetic characteristics.

Purpose of the Study:

To synthesize and characterize a new paramagnetic ligand, betaDTDA (4-(benzothiazol-2'-yl)-1,2,3,5-dithiadiazolyl).
To investigate the magnetic properties of its coordination complex with Fe(hfac)2 (1,1,1,5,5,5-hexafluoroacetylacetonato).
To explore the potential for single-molecule magnet (SMM) behavior.

Main Methods:

Synthesis of the betaDTDA ligand and its Fe(hfac)2 complex.
X-ray crystallography to determine the complex's structure.
Magnetic susceptibility measurements (dc and ac) to probe magnetic interactions and relaxation dynamics.

Main Results:

The Fe(hfac)2(betaDTDA) complex features a high-spin Fe(II) center in a distorted octahedral environment.
Strong antiferromagnetic (AF) coupling between metal and ligand moments was observed.
A well-defined Stotal = 3/2 ground state was established, stable below 40 K.
Single-molecule magnet (SMM) behavior, indicated by slow magnetization relaxation, was detected below 4 K.

Conclusions:

The novel betaDTDA ligand facilitates strong magnetic exchange interactions.
The Fe(hfac)2(betaDTDA) complex demonstrates promising single-molecule magnet properties.
This work expands the scope of dithiadiazolyl ligands in molecular magnetism.