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

Structural Isomerism

Structural Isomerism

Isomerism in Complexes
Isomers are different chemical species that have the same chemical formula. Structural isomerism of coordination compounds can be divided into two subcategories, the linkage isomers and coordination-sphere isomers.
Linkage isomers occur when the coordination compound contains a ligand that can bind to the transition metal center through two different atoms. For example, the CN− ligand can bind through the carbon atom or through the nitrogen atom. Similarly, SCN− can...

Coordination Compounds and Nomenclature

Coordination Compounds and Nomenclature

In most main group element compounds, the valence electrons of the isolated atoms combine to form chemical bonds that satisfy the octet rule. For instance, the four valence electrons of carbon overlap with electrons from four hydrogen atoms to form CH4. The one valence electron leaves sodium and adds to the seven valence electrons of chlorine to form the ionic formula unit NaCl (Figure 1a). Transition metals do not normally bond in this fashion. They primarily form coordinate covalent bonds, a...

Valence Bond Theory

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...

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...

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.

Lewis Structures of Molecular Compounds and Polyatomic Ions

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:

You might also read

Related Articles

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

Sort by

Same author

Role of monodentate formate in product selectivity for CO<sub>2</sub> hydrogenation on Pd-based alloy catalysts.

Faraday discussions·2026

Same author

Borane catalysed annulative sulfenylation of internal alkynes: towards the synthesis and study of fused heterocycles.

Chemical science·2026

Same author

Lanthanide tweezer complexes for luminescence detection of aromatic pollutants in water.

Chemical communications (Cambridge, England)·2026

Same author

Solvent-Dependent Carbon-to-Metal Hydrogen Atom Transfer Reactivity of a Square Planar Rhodium(II) Alkynyl Complex.

Organometallics·2026

Same author

Synthesis and crystal structure of 4,6-di-amino-1-cyclo-hexyl-1,3,5-triazine-2(1<i>H</i>)-thione monohydrate.

Acta crystallographica. Section E, Crystallographic communications·2026

Same author

Atomic-resolution imaging of gold species at organic liquid-solid interfaces.

Science (New York, N.Y.)·2026

Same journal

Escaping the Iron Law of Electrochemical CO<b><sub>2</sub></b> Reduction Using Pd<sub>12</sub>L<sub>24</sub> Cages as Artificial 2nd Coordination Spheres.

Inorganic chemistry·2026

Same journal

A Ruthenium-BODIPY Photosensitizer for Light-Triggered Apoptosis in Triple-Negative Breast Cancer Cells.

Inorganic chemistry·2026

Same journal

Mimicking LPMO Active Sites with Synthetic copper(II) Complexes: Exploring the Minimal Requirements.

Inorganic chemistry·2026

Same journal

Engineering Metal-Vacancy Synergistic Centers in Mo@MoO<sub>2</sub> for Robust CO<sub>2</sub> Hydrogenation.

Inorganic chemistry·2026

Same journal

Ratiometric Fluorescence Detection of Sodium Dehydroacetate in Bread Using a Dual-Emission Tb-MOF Constructed from Dual Ligands.

Inorganic chemistry·2026

Same journal

Molecular Boron-Phosphides: From Stable Monomers to Aromaticity-Tunable Smallest Neutral Metallacycles.

Inorganic chemistry·2026

See all related articles

Search research articles

Home
Synthesis And Structure Of Group 13 Pocop Complexes.

Home
Synthesis And Structure Of Group 13 Pocop Complexes.

Related Experiment Video

Combining Solid-state and Solution-based Techniques: Synthesis and Reactivity of ChalcogenidoplumbatesII or IV

Combining Solid-state and Solution-based Techniques: Synthesis and Reactivity of ChalcogenidoplumbatesII or IV

Published on: December 29, 2016

Synthesis and Structure of Group 13 POCOP Complexes.

Sanjukta Pahar¹, Taylor Wilde¹, Kushagra Agrawal¹

¹Cardiff Catalysis Institute, School of Chemistry, Cardiff University, Translational Research Hub, Maindy Road, Cathays, Cardiff, Cymru/Wales CF24 4HQ, U.K.

Inorganic Chemistry

|April 3, 2026

View abstract on PubMed

Summary

This summary is machine-generated.

This study details new coordination complexes using the resorcinol bis(diphenylphosphinite) (POCOP) ligand with aluminum, gallium, and indium. A unique four-coordinate gallium complex, resembling a frustrated Lewis pair, was discovered.

More Related Videos

Preparation and Reactivity of a Triphosphenium Bromide Salt: A Convenient and Stable Source of PhosphorusI

Preparation and Reactivity of a Triphosphenium Bromide Salt: A Convenient and Stable Source of PhosphorusI

Published on: November 22, 2016

The Synthesis, Characterization and Reactivity of a Series of Ruthenium N-triphosPh Complexes

The Synthesis, Characterization and Reactivity of a Series of Ruthenium N-triphosPh Complexes

Published on: April 10, 2015

Related Experiment Videos

Combining Solid-state and Solution-based Techniques: Synthesis and Reactivity of ChalcogenidoplumbatesII or IV

Combining Solid-state and Solution-based Techniques: Synthesis and Reactivity of ChalcogenidoplumbatesII or IV

Published on: December 29, 2016

Preparation and Reactivity of a Triphosphenium Bromide Salt: A Convenient and Stable Source of PhosphorusI

Preparation and Reactivity of a Triphosphenium Bromide Salt: A Convenient and Stable Source of PhosphorusI

Published on: November 22, 2016

The Synthesis, Characterization and Reactivity of a Series of Ruthenium N-triphosPh Complexes

The Synthesis, Characterization and Reactivity of a Series of Ruthenium N-triphosPh Complexes

Published on: April 10, 2015

Area of Science:

Organometallic Chemistry
Coordination Chemistry
Materials Science

Background:

Pincer ligands, such as resorcinol bis(diphenylphosphinite) (POCOP), are versatile scaffolds in coordination chemistry.
Group 13 elements (aluminum, gallium, indium) offer unique electronic properties for complex formation.
Understanding the coordination behavior of Group 13 metals with POCOP ligands is crucial for developing novel materials and catalysts.

Purpose of the Study:

To synthesize and characterize novel coordination complexes of POCOP with aluminum, gallium, and indium.
To investigate the structural diversity and coordination geometries adopted by these Group 13 POCOP complexes.
To explore the potential for intramolecular frustrated Lewis pair (FLP) behavior in these systems.

Main Methods:

Synthesis of six new Group 13 POCOP complexes.
Single-crystal X-ray diffraction for structural characterization.
Spectroscopic analysis to confirm complex formation and purity.

Main Results:

Successful synthesis and full structural characterization of six new Group 13 POCOP complexes.
Aluminum and indium complexes exhibit a five-coordinate "closed" geometry.
Gallium complexes display both five-coordinate "closed" and a novel four-coordinate "open" geometry, analogous to an intramolecular FLP.

Conclusions:

The POCOP ligand effectively coordinates to Group 13 metals, leading to diverse structural outcomes.
The observed "open" four-coordinate gallium complex highlights potential for frustrated Lewis pair chemistry in Group 13 systems.
These findings expand the scope of POCOP ligand chemistry and offer new avenues for Group 13 element research.