Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Lewis Structures of Molecular Compounds and Polyatomic Ions02:54

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:
Lewis Symbols and the Octet Rule02:36

Lewis Symbols and the Octet Rule

Chemical bonds are complex interactions between two or more atoms or ions, which reduce the potential energy of the molecule. Gilbert N. Lewis developed a model called the Lewis model that simplified the depiction of chemical bond formation and provided straightforward explanations for the chemical bonds seen in most common compounds.
Molecular Orbital Theory II03:51

Molecular Orbital Theory II

Molecular Orbital Energy Diagrams
Polyprotic Acids03:38

Polyprotic Acids

Acids are classified by the number of protons per molecule that they can give up in a reaction. Acids such as HCl, HNO3, and HCN that contain one ionizable hydrogen atom in each molecule are called monoprotic acids. Their reactions with water are:
Molecular Geometry and Dipole Moments02:36

Molecular Geometry and Dipole Moments

The VSEPR theory can be used to determine the electron pair geometries and molecular structures as follows:
Ionic Bonding and Electron Transfer02:48

Ionic Bonding and Electron Transfer

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.

You might also read

Related Articles

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

Sort by
Same author

Experimental Study Redefines the Mechanism of Heptamethine Cyanine Phototruncation.

Journal of the American Chemical Society·2026
Same author

High-Resolution Time-Resolved PEPICO with Tunable Vacuum Ultraviolet Photoionization.

The journal of physical chemistry. A·2026
Same author

A General Predictive and Conceptual Model for Repulsive Electronic States in Valence Ionized Molecules.

Journal of chemical theory and computation·2026
Same author

Ortho-Ortho Selective Oxidative Coupling of Phenols by Hydroxo Multicopper(II) Clusters.

Journal of the American Chemical Society·2025
Same author

Can Silver(I) Act as a Hydrogen-Bond Acceptor? Spectroscopic and Computational Exploration of the Ag···H<sup>+</sup> Bonds in the Gas Phase and in Solvent.

Inorganic chemistry·2025
Same author

Trapping a Trigonal Bipyramidal Cobalt(IV)-Oxo Species with an Exceptional Reactivity.

Journal of the American Chemical Society·2025

Related Experiment Video

Updated: Jun 21, 2026

An Atmospheric Pressure Plasma Setup to Investigate the Reactive Species Formation
08:36

An Atmospheric Pressure Plasma Setup to Investigate the Reactive Species Formation

Published on: November 3, 2016

The diatomic dication PO2+.

Agnes Révész1, Bálint Sztáray, Detlef Schröder

  • 1Department of General and Inorganic Chemistry, Eötvös Loránd University, 1117 Budapest, Hungary.

Physical Chemistry Chemical Physics : PCCP
|July 17, 2009
PubMed
Summary
This summary is machine-generated.

The diatomic phosphorus-oxygen dication (PO2+) is metastable and has been generated and studied. High-level ab initio calculations determined its electronic states and ionization energies.

More Related Videos

Expression and Purification of Nuclease-Free Oxygen Scavenger Protocatechuate 3,4-Dioxygenase
10:14

Expression and Purification of Nuclease-Free Oxygen Scavenger Protocatechuate 3,4-Dioxygenase

Published on: November 8, 2019

Reaction Kinetics and Combustion Dynamics of I4O9 and Aluminum Mixtures
09:16

Reaction Kinetics and Combustion Dynamics of I4O9 and Aluminum Mixtures

Published on: November 7, 2016

Related Experiment Videos

Last Updated: Jun 21, 2026

An Atmospheric Pressure Plasma Setup to Investigate the Reactive Species Formation
08:36

An Atmospheric Pressure Plasma Setup to Investigate the Reactive Species Formation

Published on: November 3, 2016

Expression and Purification of Nuclease-Free Oxygen Scavenger Protocatechuate 3,4-Dioxygenase
10:14

Expression and Purification of Nuclease-Free Oxygen Scavenger Protocatechuate 3,4-Dioxygenase

Published on: November 8, 2019

Reaction Kinetics and Combustion Dynamics of I4O9 and Aluminum Mixtures
09:16

Reaction Kinetics and Combustion Dynamics of I4O9 and Aluminum Mixtures

Published on: November 7, 2016

Area of Science:

  • * Molecular physics and quantum chemistry.
  • * Spectroscopic analysis of small molecules.

Background:

  • * The diatomic phosphorus-oxygen dication (PO2+) is a challenging species to study.
  • * Previous research has lacked detailed computational analysis of its electronic structure.

Purpose of the Study:

  • * To generate and characterize the PO2+ dication.
  • * To computationally determine the electronic states, spectroscopic constants, and ionization energies of PO2+.
  • * To investigate the reactivity of PO2+ in collisions with xenon and deuterium.

Main Methods:

  • * Generation of PO2+ via sputtering of InP wafers and electron ionization of trimethyl phosphate.
  • * High-level ab initio calculations for potential energy functions and electronic states.
  • * Collision experiments with xenon and deuterium.

Main Results:

  • * PO2+ was successfully generated and found to be metastable.
  • * Calculated ionization energy for PO+ to PO2+ is approximately 22.6 eV.
  • * Electronic states, adiabatic excitation energies, and spectroscopic constants for PO2+ were determined.
  • * Collisions with Xe resulted in electron transfer to form PO+, with some dissociation.
  • * Collisions with deuterium led to charge separation and bond formation, yielding POD+.

Conclusions:

  • * The electronic structure and properties of PO2+ have been elucidated through advanced computational methods.
  • * The reactivity of PO2+ in gas-phase collisions provides insights into its chemical behavior.
  • * This study establishes a foundational understanding of the PO2+ dication.