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Related Concept Videos

Properties of Organometallic Compounds01:23

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.
Properties of Transition Metals02:58

Properties of Transition Metals

Transition metals are defined as those elements that have partially filled d orbitals. As shown in Figure 1, the d-block elements in groups 3–12 are transition elements. The f-block elements, also called inner transition metals (the lanthanides and actinides), also meet this criterion because the d orbital is partially occupied before the f orbitals.
Stereoisomerism02:52

Stereoisomerism

Isomerism in Complexes
Isomers are different chemical species that have the same chemical formula.
Transition metal complexes often exist as geometric isomers, in which the same atoms are connected through the same types of bonds but with differences in their orientation in space. Coordination complexes with two different ligands in the cis and trans positions from a ligand of interest form isomers. For example, the octahedral [Co(NH3)4Cl2]+ ion has two isomers (Figure 1) In the cis...
Olefin Metathesis Polymerization: Overview01:13

Olefin Metathesis Polymerization: Overview

Recently, the development of olefin metathesis polymerization advanced the field of polymer synthesis. Simply put, the reorganization of substituents on their double bonds between two olefins in the presence of a catalyst is known as the olefin metathesis reaction. The use of metathesis reaction for polymer synthesis is called olefin metathesis polymerization.
Ruthenium-based Grubbs catalyst is the most commonly used catalyst for olefin metathesis polymerization. Grubbs catalyst consists of a...
Valence Bond Theory02:42

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...

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Related Experiment Video

Updated: May 12, 2026

A Salt-Templated Synthesis Method for Porous Platinum-based Macrobeams and Macrotubes
13:08

A Salt-Templated Synthesis Method for Porous Platinum-based Macrobeams and Macrotubes

Published on: May 18, 2020

A platinum based organometallic turnstile.

Nicolas Zigon1, Aurélie Guenet, Ernest Graf

  • 1Laboratoire de Tectonique Moléculaire, UMR CNRS 7140, Université de Strasbourg, F-67000, Strasbourg, France.

Chemical Communications (Cambridge, England)
|March 29, 2013
PubMed
Summary

Researchers synthesized an organometallic turnstile using a platinum(II) hinge. This molecular machine

Area of Science:

  • Supramolecular Chemistry
  • Organometallic Chemistry
  • Materials Science

Background:

  • Molecular machines are crucial for nanotechnology.
  • Designing dynamic molecular architectures is an ongoing challenge.
  • Metal-organic complexes offer versatile platforms for constructing functional molecules.

Purpose of the Study:

  • To synthesize a novel organometallic turnstile complex.
  • To investigate the dynamic behavior of the synthesized complex in solution.
  • To demonstrate the controllable switching of the turnstile between open and closed states.

Main Methods:

  • Synthesis of the organometallic turnstile featuring a platinum(II) center.
  • Nuclear Magnetic Resonance (NMR) spectroscopy (1D and 2D) for dynamic behavior analysis.

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Amide Coupling Reaction for the Synthesis of Bispyridine-based Ligands and Their Complexation to Platinum as Dinuclear Anticancer Agents

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Catalytic Reactions at Amine-Stabilized and Ligand-Free Platinum Nanoparticles Supported on Titania During Hydrogenation of Alkenes and Aldehydes
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Catalytic Reactions at Amine-Stabilized and Ligand-Free Platinum Nanoparticles Supported on Titania During Hydrogenation of Alkenes and Aldehydes

Published on: June 24, 2022

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Amide Coupling Reaction for the Synthesis of Bispyridine-based Ligands and Their Complexation to Platinum as Dinuclear Anticancer Agents
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Amide Coupling Reaction for the Synthesis of Bispyridine-based Ligands and Their Complexation to Platinum as Dinuclear Anticancer Agents

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Catalytic Reactions at Amine-Stabilized and Ligand-Free Platinum Nanoparticles Supported on Titania During Hydrogenation of Alkenes and Aldehydes
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  • Utilizing silver(I) cation as an external effector for state switching.

    • Main Results:

    • Successful synthesis of the organometallic turnstile.
    • Characterization of its dynamic behavior in solution via NMR.
    • Demonstration of reversible switching between open and closed states triggered by Ag(I).

    Conclusions:

    • The Pt(II)-centered organometallic turnstile exhibits controllable dynamic behavior.
    • This work presents a new molecular machine with potential applications in molecular electronics and sensing.
    • The findings highlight the utility of metal ions in actuating molecular systems.