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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.
Metal-Ligand Bonds02:51

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...
Lewis Structures of Molecular Compounds and Polyatomic Ions02:54

Lewis Structures of Molecular Compounds and Polyatomic Ions

To draw Lewis structures for complicated molecules and molecular ions, it is helpful to follow a step-by-step procedure as outlined:
Metallic Solids02:37

Metallic Solids

Metallic solids such as crystals of copper, aluminum, and iron are formed by metal atoms. The structure of metallic crystals is often described as a uniform distribution of atomic nuclei within a “sea” of delocalized electrons. The atoms within such a metallic solid are held together by a unique force known as metallic bonding that gives rise to many useful and varied bulk properties.
All metallic solids exhibit high thermal and electrical conductivity, metallic luster, and malleability. Many...
Coordination Number and Geometry02:57

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.
Crown Ethers02:36

Crown Ethers

Crown ethers are cyclic polyethers that contain multiple oxygen atoms, usually arranged in a regular pattern. The first crown ether was synthesized by Charles Pederson while working at DuPont in 1967. For this work, Pedersen was co-awarded the 1987 Nobel Prize in Chemistry. Crown ethers are named using the formula x-crown-y, where x is the total number of atoms in the ring and y is the number of ether oxygen atoms. The term 'crown' refers to the crown-like shape that these ether molecules take.

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Related Experiment Video

Updated: May 19, 2026

Experimental Approaches for the Synthesis of Low-Valent Metal-Organic Frameworks from Multitopic Phosphine Linkers
07:14

Experimental Approaches for the Synthesis of Low-Valent Metal-Organic Frameworks from Multitopic Phosphine Linkers

Published on: May 12, 2023

A polyhedron-based metal-organic framework with a reo-e net.

Guojian Ren1, Shuxia Liu, Feng Wei

  • 1Key Lab of Polyoxometalate Science, Department of Chemistry, Northeast Normal University, Changchun 130024, PR China.

Dalton Transactions (Cambridge, England : 2003)
|August 23, 2012
PubMed
Summary

Researchers designed a novel polyhedron-based metal-organic framework using trinuclear nickel clusters and mixed ligands. This new material features a reo-e net structure composed of hexahedron, cuboctahedron, and rhombicuboctahedron polyhedra.

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Discovery and Synthesis Optimization of Isoreticular Al(III) Phosphonate-Based Metal-Organic Framework Compounds Using High-Throughput Methods
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Discovery and Synthesis Optimization of Isoreticular Al(III) Phosphonate-Based Metal-Organic Framework Compounds Using High-Throughput Methods

Published on: October 6, 2023

Synthesis and Characterization of Functionalized Metal-organic Frameworks
11:27

Synthesis and Characterization of Functionalized Metal-organic Frameworks

Published on: September 5, 2014

Related Experiment Videos

Last Updated: May 19, 2026

Experimental Approaches for the Synthesis of Low-Valent Metal-Organic Frameworks from Multitopic Phosphine Linkers
07:14

Experimental Approaches for the Synthesis of Low-Valent Metal-Organic Frameworks from Multitopic Phosphine Linkers

Published on: May 12, 2023

Discovery and Synthesis Optimization of Isoreticular Al(III) Phosphonate-Based Metal-Organic Framework Compounds Using High-Throughput Methods
07:20

Discovery and Synthesis Optimization of Isoreticular Al(III) Phosphonate-Based Metal-Organic Framework Compounds Using High-Throughput Methods

Published on: October 6, 2023

Synthesis and Characterization of Functionalized Metal-organic Frameworks
11:27

Synthesis and Characterization of Functionalized Metal-organic Frameworks

Published on: September 5, 2014

Area of Science:

  • Materials Science
  • Chemistry
  • Nanotechnology

Background:

  • Metal-organic frameworks (MOFs) are advanced porous materials with diverse applications.
  • Designing MOFs with specific network topologies and polyhedral structures is crucial for tailored properties.

Purpose of the Study:

  • To design and construct a novel polyhedron-based metal-organic framework.
  • To incorporate a reo-e net topology using trinuclear nickel clusters and mixed ligands.

Main Methods:

  • Utilized trinuclear nickel clusters as building units.
  • Employed a copolymerization pattern with mixed ligands.
  • Characterized the resulting framework's polyhedral components.

Main Results:

  • Successfully constructed a metal-organic framework with a reo-e net.
  • The framework comprises three distinct polyhedral units: hexahedron, cuboctahedron, and rhombicuboctahedron.
  • Demonstrated a novel approach to MOF design through polyhedron integration.

Conclusions:

  • The study presents a new MOF with a complex polyhedral structure and reo-e net.
  • This work expands the library of MOF structures and design strategies.
  • The findings hold potential for developing new functional materials.