Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Crystal Field Theory - Octahedral Complexes

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...

Metal-Ligand Bonds

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 Solids

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....

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Low-Dose Electron Total Scattering Analysis Resolves Non-Crystalline Phase Separation in Polymer Semiconductors and Device Multilayers.

Small methods·2026

Same author

Making movies with ultra-fast pair distribution functions.

Nature reviews. Chemistry·2026

Same author

Direct synthesis of amorphous metal-organic frameworks from nanoclusters.

Nature communications·2026

Same author

Mapping the Coordination Number and Coordination Geometry of Lanthanide Ions in Aqueous and Nonaqueous Solution Phases.

Journal of the American Chemical Society·2026

Same author

Collective Intermolecular Motions of Water in Sodium Montmorillonite.

The journal of physical chemistry. B·2026

Same author

Interplay of Redox Non-Innocence and Symmetry Breaking in a 4d Coordination Framework.

Journal of the American Chemical Society·2026

Search research articles

Related Experiment Video

Updated: Mar 27, 2026

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

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

Published on: May 12, 2023

Trapping a Metastable Node in an Amorphous Metal-Organic Framework.

Adam F Sapnik¹, Emma H Wolpert², Jens Edelvang-Pejrup¹

¹Department of Chemistry, University of Copenhagen, Copenhagen Ø, Denmark.

Angewandte Chemie (International Ed. in English)

|March 25, 2026

Summary

This summary is machine-generated.

Frustrated assembly of amorphous metal-organic frameworks (aMOFs) traps metastable distorted nodes. This pathway control mechanism enables engineering non-equilibrium motifs in aMOFs, unlike crystalline MOFs.

More Related Videos

Synthesis and Characterization of Functionalized Metal-organic Frameworks

Synthesis and Characterization of Functionalized Metal-organic Frameworks

Published on: September 5, 2014

Author Spotlight: Functionalizing Metal-Organic Frameworks: Advancements, Challenges, and the Power of Post-Synthetic Ligand Exchange

Author Spotlight: Functionalizing Metal-Organic Frameworks: Advancements, Challenges, and the Power of Post-Synthetic Ligand Exchange

Published on: June 23, 2023

Related Experiment Videos

Last Updated: Mar 27, 2026

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

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

Published on: May 12, 2023

Synthesis and Characterization of Functionalized Metal-organic Frameworks

Synthesis and Characterization of Functionalized Metal-organic Frameworks

Published on: September 5, 2014

Author Spotlight: Functionalizing Metal-Organic Frameworks: Advancements, Challenges, and the Power of Post-Synthetic Ligand Exchange

Author Spotlight: Functionalizing Metal-Organic Frameworks: Advancements, Challenges, and the Power of Post-Synthetic Ligand Exchange

Published on: June 23, 2023

Area of Science:

Materials Science
Chemistry
Nanotechnology

Background:

Amorphous metal-organic frameworks (aMOFs) offer unique structural properties.
Controlling node structure in aMOFs is crucial for their function.
Metastable motifs are difficult to achieve in framework materials.

Purpose of the Study:

To investigate frustrated assembly as a method for trapping metastable nodes in aMOFs.
To understand the kinetic and thermodynamic factors governing node formation in aMOFs.
To establish pathway control as a tool for node engineering in amorphous frameworks.

Main Methods:

X-ray pair distribution function (PDF) analysis to probe local atomic structure.
Density functional theory (DFT) calculations to model energetic preferences and reaction pathways.
Synthesis of amorphous metal-organic frameworks via a frustrated assembly approach.

Main Results:

Frustrated assembly successfully trapped a metastable, distorted node structure.
The distorted node was energetically less favorable than the symmetric counterpart.
Kinetic control, where network formation preceded node relaxation, was identified as the key mechanism.
This contrasts with crystalline metal-organic frameworks (MOFs) where topological stabilization allows distorted nodes.

Conclusions:

Frustrated assembly is an effective strategy for installing non-equilibrium local motifs in aMOFs.
Pathway control during synthesis offers a new lever for engineering node structures in amorphous frameworks.
This work expands the design principles for creating advanced amorphous materials with tailored properties.