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Updated: Apr 15, 2026

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

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Published on: November 22, 2016

A dicationic iminophosphane.

Ying Kai Loh¹, Chitra Gurnani¹, Rakesh Ganguly¹

¹Department of Chemistry and Biological Chemistry, Nanyang Technological University, 21 Nanyang Link, Singapore, 637371, Singapore.

Inorganic Chemistry

|March 25, 2015

Summary

Researchers synthesized a new dicationic system with a phosphorus-nitrogen (PN) fragment. Solid-state analysis and theory indicate the iminophosphane form best describes the dication, though the phosphorus mononitride form also contributes.

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Area of Science:

Inorganic Chemistry
Computational Chemistry
Solid-State Chemistry

Background:

Dicationic systems offer unique electronic properties.
Phosphorus-nitrogen (PN) compounds are of significant interest in materials science.
Understanding bonding in novel inorganic systems is crucial.

Purpose of the Study:

To synthesize and characterize a novel dicationic system incorporating a PN fragment.
To elucidate the dominant resonance structure of the synthesized dication.
To investigate the electronic contributions of different resonance forms.

Main Methods:

Synthesis of a novel dicationic compound.
Solid-state analysis (e.g., X-ray diffraction).
Theoretical calculations (e.g., DFT).

Main Results:

Successful synthesis and structural characterization of the dicationic PN system.
Solid-state analysis and theoretical investigations support the iminophosphane resonance form as dominant.
A non-negligible contribution from the phosphorus mononitride resonance form was identified.

Conclusions:

The synthesized dicationic system exhibits complex electronic structure.
The iminophosphane resonance form is the primary descriptor, but phosphorus mononitride contribution is significant.
This study advances the understanding of bonding in PN-containing dicationic compounds.