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 Concept Videos

Coordination Number and Geometry02:57

Coordination Number and Geometry

20.1K
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.
20.1K
Colors and Magnetism03:02

Colors and Magnetism

14.8K
Color in Coordination Complexes
When atoms or molecules absorb light at the proper frequency, their electrons are excited to higher-energy orbitals. For many main group atoms and molecules, the absorbed photons are in the ultraviolet range of the electromagnetic spectrum, which cannot be detected by the human eye. For coordination compounds, the energy difference between the d orbitals often allows photons in the visible range to be absorbed and emitted, which is seen as colors by the human...
14.8K
Valence Bond Theory02:42

Valence Bond Theory

11.9K
Coordination compounds and complexes exhibit different colors, geometries, and magnetic behavior, depending on the metal atom/ion and ligands from which they are composed. In an attempt to explain the bonding and structure of coordination complexes, Linus Pauling proposed the valence bond theory, or VBT, using the concepts of hybridization and the overlapping of the atomic orbitals. According to VBT, the central metal atom or ion (Lewis acid) hybridizes to provide empty orbitals of suitable...
11.9K
Coordination Compounds and Nomenclature02:54

Coordination Compounds and Nomenclature

28.5K
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...
28.5K
Lattice Centering and Coordination Number02:33

Lattice Centering and Coordination Number

16.1K
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...
16.1K
Crystal Field Theory - Octahedral Complexes02:58

Crystal Field Theory - Octahedral Complexes

32.2K
Crystal Field Theory
To explain the observed behavior of transition metal complexes (such as colors), a model involving electrostatic interactions between the electrons from the ligands and the electrons in the unhybridized d orbitals of the central metal atom has been developed. This electrostatic model is crystal field theory (CFT). It helps to understand, interpret, and predict the colors, magnetic behavior, and some structures of coordination compounds of transition metals.
CFT focuses on...
32.2K

You might also read

Related Articles

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

Sort by
Same author

One- and two-electron coordinatively-induced reduction of <i>N</i>-heterocycles by divalent rare earth terphenyl anilide complexes.

Chemical science·2026
Same author

Synthesis and Characterization of Monomeric, Dimeric, and Polymeric Rare-Earth Bis(trimethyl)silylphosphide Complexes.

Inorganic chemistry·2026
Same author

Reductive radical chain initiation through the thermal generation of carbon dioxide radical anion.

Nature synthesis·2026
Same author

Ruthenium-Loaded Heteroatomic Zeolite for Selective Hydrodeoxygenation Reaction in Aqueous Medium.

Journal of the American Chemical Society·2026
Same author

Extending the Distance Range in Double Electron-Electron Resonance Measurements of Transition Metal Clusters.

Journal of the American Chemical Society·2026
Same author

The coordination chemistry of 2,2'-bis-<i>p</i>-<sup><i>t</i></sup>Bu-calix[4]arene.

Dalton transactions (Cambridge, England : 2003)·2025

Related Experiment Video

Updated: Apr 14, 2026

Combining Solid-state and Solution-based Techniques: Synthesis and Reactivity of ChalcogenidoplumbatesII or IV
10:42

Combining Solid-state and Solution-based Techniques: Synthesis and Reactivity of ChalcogenidoplumbatesII or IV

Published on: December 29, 2016

11.3K

[Cr(III)8M(II)6](12+) Coordination Cubes (M(II)=Cu, Co).

Sergio Sanz1, Helen M O'Connor1, Eufemio Moreno Pineda2

  • 1EaStCHEM School of Chemistry, The University of Edinburgh, David Brewster Road, Edinburgh, EH9 3FJ (UK).

Angewandte Chemie (International Ed. in English)
|April 21, 2015
PubMed
Summary

New coordination cubes featuring chromium(III) and copper/cobalt were synthesized. Their magnetic properties were analyzed using computational methods and electron paramagnetic resonance (EPR) spectroscopy, revealing tunable characteristics.

Keywords:
EPR spectroscopyheterometallic cagesmagnetometrymolecular magnetismtransition metals

More Related Videos

Accessing Valuable Ligand Supports for Transition Metals: A Modified, Intermediate Scale Preparation of 1,2,3,4,5-Pentamethylcyclopentadiene
09:45

Accessing Valuable Ligand Supports for Transition Metals: A Modified, Intermediate Scale Preparation of 1,2,3,4,5-Pentamethylcyclopentadiene

Published on: March 20, 2017

10.9K
Synthesis of Nine-atom Deltahedral Zintl Ions of Germanium and their Functionalization with Organic Groups
08:15

Synthesis of Nine-atom Deltahedral Zintl Ions of Germanium and their Functionalization with Organic Groups

Published on: February 11, 2012

14.5K

Related Experiment Videos

Last Updated: Apr 14, 2026

Combining Solid-state and Solution-based Techniques: Synthesis and Reactivity of ChalcogenidoplumbatesII or IV
10:42

Combining Solid-state and Solution-based Techniques: Synthesis and Reactivity of ChalcogenidoplumbatesII or IV

Published on: December 29, 2016

11.3K
Accessing Valuable Ligand Supports for Transition Metals: A Modified, Intermediate Scale Preparation of 1,2,3,4,5-Pentamethylcyclopentadiene
09:45

Accessing Valuable Ligand Supports for Transition Metals: A Modified, Intermediate Scale Preparation of 1,2,3,4,5-Pentamethylcyclopentadiene

Published on: March 20, 2017

10.9K
Synthesis of Nine-atom Deltahedral Zintl Ions of Germanium and their Functionalization with Organic Groups
08:15

Synthesis of Nine-atom Deltahedral Zintl Ions of Germanium and their Functionalization with Organic Groups

Published on: February 11, 2012

14.5K

Area of Science:

  • Coordination Chemistry
  • Supramolecular Chemistry
  • Magnetochemistry

Background:

  • Coordination cubes are complex structures with potential applications in materials science.
  • Chromium(III) and transition metals like copper and cobalt are key components in designing magnetic materials.
  • Metalloligands offer versatile building blocks for constructing intricate supramolecular architectures.

Purpose of the Study:

  • To synthesize novel [Cr(III)8M(II)6](12+) coordination cubes (M(II) = Cu, Co).
  • To investigate the magnetic properties of these coordination cubes.
  • To demonstrate the tunability of physical properties through modular design.

Main Methods:

  • Synthesis of [Cr(III) L3 ] metalloligand and reaction with "naked" M(II) salts.
  • Electron Paramagnetic Resonance (EPR) spectroscopy for magnetic characterization.
  • Computational techniques, specifically statistical spectroscopy, for interpreting magnetic behavior.

Main Results:

  • Successful construction of [Cr(III)8M(II)6](12+) coordination cubes.
  • Demonstration of tunable physical properties by altering constituent metal ions (Cu, Co).
  • Interpretation of magnetic behavior through a combination of experimental and computational methods.

Conclusions:

  • The modular design of these coordination cubes allows for facile tuning of their properties.
  • The study provides insights into the magnetic behavior of chromium-based coordination cages.
  • This work opens avenues for designing novel magnetic materials with tailored characteristics.