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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.

Olefin Metathesis Polymerization: Ring-Opening Metathesis Polymerization (ROMP)

Olefin Metathesis Polymerization: Ring-Opening Metathesis Polymerization (ROMP)

Ring-opening metathesis polymerization or ROMP involves strained cycloalkenes as starting materials. The mechanism of ROMP proceeds by reacting cycloalkene with Grubbs catalyst to give metallacyclobutane intermediate which undergoes a ring-opening reaction to form new carbene. The new carbene reacts with another molecule of cycloalkene. Repetition of these steps leads to the formation of an unsaturated open-chain polymer product. All these steps are reversible, however, relieving the ring...

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Updated: Apr 16, 2026

Synthesis and Characterization of Functionalized Metal-organic Frameworks

Synthesis and Characterization of Functionalized Metal-organic Frameworks

Published on: September 5, 2014

A mesoporous metal-organic framework based on a shape-persistent macrocycle.

Teng-Hao Chen¹, Ilya Popov, Yu-Chun Chuang

¹Department of Chemistry, University of Houston, 112 Fleming Building, Houston TX 77204-5003, USA. miljanic@uh.edu.

Chemical Communications (Cambridge, England)

|March 13, 2015

Summary

This summary is machine-generated.

Researchers created a porous metal-organic framework (MOF) using a rigid macrocycle ligand. This novel material exhibits a high void volume, making it promising for various applications.

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Published on: July 14, 2015

Area of Science:

Materials Science
Chemistry
Nanotechnology

Background:

Metal-organic frameworks (MOFs) are crystalline materials with tunable porosity.
Developing MOFs with predesigned pore structures is crucial for targeted applications.

Purpose of the Study:

To synthesize a novel mesoporous zinc-based metal-organic framework (MOF).
To utilize a shape-persistent phenylene ethynylene macrocycle ligand for framework construction.

Main Methods:

A rigid macrocycle ligand with three carboxylate groups was synthesized.
The ligand was used to construct a MOF with Zn3O14C6H2 clusters.
The structure and porosity of the resulting MOF were characterized.

Main Results:

A mesoporous zinc-based MOF was successfully prepared.
The MOF features a rigid ligand with a predesigned ∼9 Å pore cavity.
The material achieved a high void volume of 86%.

Conclusions:

The study demonstrates the successful synthesis of a novel MOF with a high void volume.
The use of a shape-persistent macrocycle ligand enables precise control over pore architecture.
The resulting MOF holds potential for applications requiring high porosity materials.