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Properties of Organometallic Compounds

Properties of Organometallic Compounds

Organometallic compounds are compounds that contain a carbon–metal bond. Carbon belongs to an organyl group like alkyl, aryl, allyl, or benzyl groups. The metal can be from Group I or Group II of the periodic table, a transition metal, or a semimetal.

Valence Bond Theory

Valence Bond Theory

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...

Structural Isomerism

Structural Isomerism

Isomerism in Complexes
Isomers are different chemical species that have the same chemical formula. Structural isomerism of coordination compounds can be divided into two subcategories, the linkage isomers and coordination-sphere isomers.
Linkage isomers occur when the coordination compound contains a ligand that can bind to the transition metal center through two different atoms. For example, the CN− ligand can bind through the carbon atom or through the nitrogen atom. Similarly, SCN− can be...

Metal-Ligand Bonds

Metal-Ligand Bonds

The hemoglobin in the blood, the chlorophyll in green plants, vitamin B-12, and the catalyst used in the manufacture of polyethylene all contain coordination compounds. Ions of the metals, especially the transition metals, are likely to form complexes.
In these complexes, transition metals form coordinate covalent bonds, a kind of Lewis acid-base interaction in which both of the electrons in the bond are contributed by a donor (Lewis base) to an electron acceptor (Lewis acid). The Lewis acid in...

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...

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Related Experiment Video

Updated: Jul 7, 2026

The Synthesis of [Sn10(Si(SiMe3)3)4]2- Using a Metastable Sn(I) Halide Solution Synthesized via a Co-condensation Technique

The Synthesis of [Sn₁₀(Si(SiMe₃)₃)₄]²^- Using a Metastable Sn(I) Halide Solution Synthesized via a Co-condensation Technique

Published on: November 28, 2016

A novel organotin-substituted polyoxomolybdate cluster.

Shun-Li Li¹, Yong-Mei Zhang, Jian-Fang Ma

¹Department of Chemistry, Northeast Normal University, Changchun, 130024, People's Republic of China.

Dalton Transactions (Cambridge, England : 2003)

|February 16, 2008

Summary

Researchers synthesized a novel organotin-substituted polyoxomolybdate cluster using a reduction-oxidation-reconstitution self-assembly process. This new {Mo(34)(NO)(4)Sn(4)} cluster features a unique mixed metal skeleton with potential applications in materials science.

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The Synthesis of [Sn10(Si(SiMe3)3)4]2- Using a Metastable Sn(I) Halide Solution Synthesized via a Co-condensation Technique

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Published on: November 28, 2016

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Published on: May 12, 2023

High Resolution Physical Characterization of Single Metallic Nanoparticles

High Resolution Physical Characterization of Single Metallic Nanoparticles

Published on: June 28, 2019

Area of Science:

Inorganic Chemistry
Materials Science
Supramolecular Chemistry

Background:

Polyoxomolybdates (POMs) are versatile inorganic clusters with diverse structures and properties.
Organotin compounds offer unique functionalities and have been incorporated into POMs to create novel materials.
Self-assembly processes are crucial for constructing complex molecular architectures.

Purpose of the Study:

To synthesize a novel organotin-substituted polyoxomolybdate cluster.
To investigate the structural characteristics of the new cluster.
To explore the application of a reduction-oxidation-reconstitution self-assembly method for POM synthesis.

Main Methods:

One-pot synthesis.
Reduction-oxidation-reconstitution self-assembly process.
Characterization of the resulting polyoxomolybdate cluster.

Main Results:

Successful synthesis of a novel organotin-substituted polyoxomolybdate cluster: (H(3)O)(16)[(H(2)O)(2)Mo(V)O(OH)](2){Mo(VI)(28)Mo(II)(4)(NO)(4)(BuSnO)(2)[BuSn(OH)(2)](2)O(102)(H(2)O)(12)}.18H(2)O.
The cluster exhibits a {Mo(34)(NO)(4)Sn(4)} mixed metal skeleton.
The skeleton is constructed from two {Mo(16)(NO)(2)Sn(2)} subunits linked by two MoO(6) octahedra.

Conclusions:

A novel organotin-substituted polyoxomolybdate cluster was synthesized.
The reduction-oxidation-reconstitution self-assembly method is effective for creating complex POM structures.
The unique {Mo(34)(NO)(4)Sn(4)} skeleton offers potential for further research in materials science.