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Related Concept Videos

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

Crystal Field Theory - Octahedral Complexes

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...
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...
Molecular Models02:00

Molecular Models

Physical models representing molecular architectures of chemical compounds play essential roles in understanding chemistry. The use of molecular models makes it easier to visualize the structures and shapes of atoms and molecules.

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Related Experiment Video

Updated: Jul 15, 2026

Surface Functionalization of Metal-Organic Frameworks for Improved Moisture Resistance
08:12

Surface Functionalization of Metal-Organic Frameworks for Improved Moisture Resistance

Published on: September 5, 2018

Molecular architectonic on metal surfaces.

Johannes V Barth1

  • 1Department of Chemistry, The University of British Columbia, Vancouver B.C. V6T 1Z4, Canada. jvb@ph.tum.de

Annual Review of Physical Chemistry
|April 14, 2007
PubMed
Summary

This review explores molecular architectonics on metal surfaces, detailing principles of noncovalent synthesis for creating organized nanosystems. These advanced molecular assemblies offer potential for future nanodevices and material applications.

Area of Science:

  • Surface Science
  • Nanotechnology
  • Materials Chemistry

Background:

  • Well-defined surfaces serve as platforms for controlling molecular assembly.
  • Understanding molecular self-assembly is crucial for nanodevice development.

Purpose of the Study:

  • To review principles of noncovalent synthesis on metal surfaces.
  • To provide insight into molecular nanoarchitecture assembly.
  • To discuss hierarchical assembly for complex nanosystems.

Main Methods:

  • Noncovalent synthesis under ultrahigh vacuum conditions.
  • Scanning tunneling microscopy (STM) for atomistic observation.
  • Analysis of self-assembly, self-organization, and self-organized growth.

Main Results:

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Synthesis and Characterization of Functionalized Metal-organic Frameworks
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Synthesis and Characterization of Functionalized Metal-organic Frameworks

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Synthesis of Triazole and Tetrazole-Functionalized Zr-Based Metal-Organic Frameworks Through Post-Synthetic Ligand Exchange
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Synthesis of Triazole and Tetrazole-Functionalized Zr-Based Metal-Organic Frameworks Through Post-Synthetic Ligand Exchange

Published on: June 23, 2023

Related Experiment Videos

Last Updated: Jul 15, 2026

Surface Functionalization of Metal-Organic Frameworks for Improved Moisture Resistance
08:12

Surface Functionalization of Metal-Organic Frameworks for Improved Moisture Resistance

Published on: September 5, 2018

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

Synthesis and Characterization of Functionalized Metal-organic Frameworks

Published on: September 5, 2014

Synthesis of Triazole and Tetrazole-Functionalized Zr-Based Metal-Organic Frameworks Through Post-Synthetic Ligand Exchange
04:51

Synthesis of Triazole and Tetrazole-Functionalized Zr-Based Metal-Organic Frameworks Through Post-Synthetic Ligand Exchange

Published on: June 23, 2023

  • Demonstrated atomistic insight into organic cluster, chain, and superlattice formation.
  • Showcased metal-directed assembly of low-dimensional coordination architectures.
  • Illustrated hierarchical assembly protocols for intricate multilevel order.

Conclusions:

  • Molecular architectonics on metal surfaces enable the creation of structurally complex nanosystems.
  • These nanosystems possess specific shape, composition, and tunable functional properties.
  • The approach holds significant promise for technological applications in nanotechnology.