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Related Concept Videos

Metal-Ligand Bonds02:51

Metal-Ligand Bonds

21.5K
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...
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Ionic Bonding and Electron Transfer02:48

Ionic Bonding and Electron Transfer

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Ions are atoms or molecules bearing an electrical charge. A cation (a positive ion) forms when a neutral atom loses one or more electrons from its valence shell, and an anion (a negative ion) forms when a neutral atom gains one or more electrons in its valence shell. Compounds composed of ions are called ionic compounds (or salts), and their constituent ions are held together by ionic bonds: electrostatic forces of attraction between oppositely charged cations and anions. 
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Crystal Field Theory - Octahedral Complexes02:58

Crystal Field Theory - Octahedral Complexes

27.4K
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...
27.4K
Ion Exchange01:17

Ion Exchange

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Ion exchange chromatography separates charged molecules from a solution by reversibly exchanging them with mobile, or 'active', ions associated with the oppositely charged stationary phase. This method can be used to separate ions, soften and deionize water, and purify solutions. The polymers comprising the ion-exchange column are high-molecular-weight and chemically stable polymers, crosslinked to be porous and essentially insoluble. They are also functionalized with either acidic or...
656
Properties of Organometallic Compounds01:23

Properties of Organometallic Compounds

1.1K
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.
1.1K
Molecular and Ionic Solids02:54

Molecular and Ionic Solids

17.5K
Crystalline solids are divided into four types: molecular, ionic, metallic, and covalent network based on the type of constituent units and their interparticle interactions.
Molecular Solids
Molecular crystalline solids, such as ice, sucrose (table sugar), and iodine, are solids that are composed of neutral molecules as their constituent units. These molecules are held together by weak intermolecular forces such as London dispersion forces, dipole-dipole interactions, or hydrogen bonds, which...
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Related Experiment Video

Updated: Sep 8, 2025

Author Spotlight: Magnetometric Characterization of Intermediates in the Solid-State Electrochemistry of Redox-Active Metal-Organic Frameworks
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Author Spotlight: Magnetometric Characterization of Intermediates in the Solid-State Electrochemistry of Redox-Active Metal-Organic Frameworks

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Metal-Organic Frameworks for Ion Conduction.

Wendan Xue1,2, Christopher D Sewell2, Qixing Zhou1

  • 1Key Laboratory of Pollution Processes and Environmental Criteria (Ministry of Education), Nankai University, Tianjin, 300071, P. R. China.

Angewandte Chemie (International Ed. in English)
|June 14, 2022
PubMed
Summary

Ionic conducting metal-organic frameworks (MOFs) offer promising solid-state electrolytes for energy technologies. This review details MOF design, ion mobility mechanisms, and future research directions for enhanced performance.

Keywords:
Coordination PolymersHydroxide Ion ConductionIon ConductionMetal-Organic FrameworksProton Conduction

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Author Spotlight: Experimental Approaches for the Synthesis of Low-Valent Metal-Organic Frameworks from Multitopic Phosphine Linkers
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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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Author Spotlight: Experimental Approaches for the Synthesis of Low-Valent Metal-Organic Frameworks from Multitopic Phosphine Linkers
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Synthesis and Characterization of Functionalized Metal-organic Frameworks
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Area of Science:

  • Materials Science
  • Electrochemistry
  • Solid-state Chemistry

Background:

  • Solid-state ionic conductors are crucial for advanced energy technologies, offering safer alternatives to liquid electrolytes.
  • Metal-organic frameworks (MOFs) have emerged as a significant class of materials for ionic conduction.
  • Despite rapid progress, a systematic overview of ionic conducting MOFs is lacking.

Purpose of the Study:

  • To provide a comprehensive review of ionic conducting metal-organic frameworks (MOFs).
  • To highlight design strategies and synthetic approaches for developing novel ionic conducting MOFs.
  • To summarize current understanding of ion conduction mechanisms in MOFs.

Main Methods:

  • Literature review of recent advancements in ionic conducting MOFs.
  • Analysis of design strategies focusing on hydrogen-bonding networks and solvated ionic charge.
  • Summary of theoretical frameworks for ion conduction mechanisms.

Main Results:

  • Ionic conducting MOFs exhibit diverse performance based on design strategies.
  • Ion mobility is significantly influenced by hydrogen-bonding networks and solvated ionic charge.
  • Current theories provide insights into ion conduction mechanisms in various regimes.

Conclusions:

  • Ionic conducting MOFs represent a critical area for next-generation energy technologies.
  • Further research is needed to overcome challenges and optimize MOF-based ionic conductors.
  • Systematic overviews are essential for guiding future development in this field.