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

Hydrogen Bonds01:04

Hydrogen Bonds

16.6K
A hydrogen bond is formed when a weakly positive hydrogen atom already bonded to one electronegative atom (for example, the oxygen in the water molecule) is attracted to another electronegative atom from another polar molecule, such as water (H2O), hydrogen fluoride (HF), or ammonia (NH3). The huge electronegativity difference between the H atom (2.1) and the atom to which it is bonded (4.0 for an F atom, 3.5 for an O atom, or 3.0 for an N atom), combined with the very small size of an H atom...
16.6K
Hydrogen Bonds00:26

Hydrogen Bonds

136.6K
Hydrogen bonds are weak attractions between atoms that have formed other chemical bonds. One of these atoms is electronegative, like oxygen, and has a partial negative charge. The other is a hydrogen atom that has bonded with another electronegative atom and has a partial positive charge.
Hydrogen Bonds Control the World!
Because hydrogen has very weak electronegativity when it binds with a strongly electronegative atom, such as oxygen or nitrogen, electrons in the bond are unequally shared....
136.6K
Intermolecular Forces03:13

Intermolecular Forces

79.2K
Atoms and molecules interact through bonds (or forces): intramolecular and intermolecular. The forces are electrostatic as they arise from interactions (attractive or repulsive) between charged species (permanent, partial, or temporary charges) and exist with varying strengths between ions, polar, nonpolar, and neutral molecules. The different types of intermolecular forces are ion–dipole, dipole–dipole, hydrogen bonds, and dispersion; among these, dipole–dipole, hydrogen...
79.2K
Intermolecular Forces03:13

Intermolecular Forces

19.7K
19.7K
Ionic Bonds00:42

Ionic Bonds

136.6K
Overview
When atoms gain or lose electrons to achieve a more stable electron configuration they form ions. Ionic bonds are electrostatic attractions between ions with opposite charges. Ionic compounds are rigid and brittle when solid and may dissociate into their constituent ions in water. Covalent compounds, by contrast, remain intact unless a chemical reaction breaks them.
Opposing Charges Hold Ions Together in Ionic Compounds
Ionic bonds are reversible electrostatic interactions between ions...
136.6K
Ionic Bonds00:42

Ionic Bonds

10.9K
10.9K

You might also read

Related Articles

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

Sort by
Same author

Designing conductive polymers using anion-polymerized ionic liquids.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2026
Same author

Determining structure and Zn-specific Lewis acid-base descriptors for diorganozincs in non-coordinating solvents using X-ray spectroscopy.

Communications chemistry·2025
Same author

Accurate prediction of ionic liquid density-of-states from low-cost calculations.

Physical chemistry chemical physics : PCCP·2025
Same author

Efficient prediction of the local electronic structure of ionic liquids from low-cost calculations.

Physical chemistry chemical physics : PCCP·2025
Same author

d<sup>10</sup>s<sup>2</sup> Post-Transition Metal Anions: Identifying and Analyzing Their Dual-Mode Lewis Basicity.

The journal of physical chemistry letters·2025
Same author

Effect of Brief Maternal Exposure to Bisphenol A on the Fetal Female Germline in a Mouse Model.

Environmental health perspectives·2025
Same journal

Fluorescent merocyanines: from fundamental properties to applications as molecular probes, in bioimaging and as emissive dye aggregates.

Chemical Society reviews·2026
Same journal

Direct impure water electrolysis at industrial scale.

Chemical Society reviews·2026
Same journal

Catalytic valorization of polyolefins: from catalysts and processes to reactors.

Chemical Society reviews·2026
Same journal

Designing stable π-radicals.

Chemical Society reviews·2026
Same journal

Antibacterial drug discovery: challenges and preclinical promises from synthetic small molecules.

Chemical Society reviews·2026
Same journal

Selective carbon-carbon bond cleavage involving alkene moieties.

Chemical Society reviews·2026
See all related articles

Related Experiment Video

Updated: Apr 18, 2026

From Molecules to Materials: Engineering New Ionic Liquid Crystals Through Halogen Bonding
06:44

From Molecules to Materials: Engineering New Ionic Liquid Crystals Through Halogen Bonding

Published on: March 24, 2018

69.8K

Hydrogen bonding in ionic liquids.

Patricia A Hunt1, Claire R Ashworth, Richard P Matthews

  • 1Department of Chemistry, Faculty of Natural Sciences, Imperial College London, London, SW7 2AZ, UK. p.hunt@imperial.ac.uk.

Chemical Society Reviews
|January 14, 2015
PubMed
Summary
This summary is machine-generated.

Ionic liquids feature doubly ionic hydrogen bonds between cations and anions. These bonds, unlike traditional ones, span a wide strength range and are quantifiable using advanced computational methods.

More Related Videos

Synthesis of Ionic Liquid Based Electrolytes, Assembly of Li-ion Batteries, and Measurements of Performance at High Temperature
11:04

Synthesis of Ionic Liquid Based Electrolytes, Assembly of Li-ion Batteries, and Measurements of Performance at High Temperature

Published on: December 20, 2016

13.6K
Vibrational Spectra of a N719-Chromophore/Titania Interface from Empirical-Potential Molecular-Dynamics Simulation, Solvated by a Room Temperature Ionic Liquid
08:54

Vibrational Spectra of a N719-Chromophore/Titania Interface from Empirical-Potential Molecular-Dynamics Simulation, Solvated by a Room Temperature Ionic Liquid

Published on: January 25, 2020

6.1K

Related Experiment Videos

Last Updated: Apr 18, 2026

From Molecules to Materials: Engineering New Ionic Liquid Crystals Through Halogen Bonding
06:44

From Molecules to Materials: Engineering New Ionic Liquid Crystals Through Halogen Bonding

Published on: March 24, 2018

69.8K
Synthesis of Ionic Liquid Based Electrolytes, Assembly of Li-ion Batteries, and Measurements of Performance at High Temperature
11:04

Synthesis of Ionic Liquid Based Electrolytes, Assembly of Li-ion Batteries, and Measurements of Performance at High Temperature

Published on: December 20, 2016

13.6K
Vibrational Spectra of a N719-Chromophore/Titania Interface from Empirical-Potential Molecular-Dynamics Simulation, Solvated by a Room Temperature Ionic Liquid
08:54

Vibrational Spectra of a N719-Chromophore/Titania Interface from Empirical-Potential Molecular-Dynamics Simulation, Solvated by a Room Temperature Ionic Liquid

Published on: January 25, 2020

6.1K

Area of Science:

  • Chemistry
  • Physical Chemistry
  • Supramolecular Chemistry

Background:

  • Ionic liquids (ILs) and hydrogen bonding (H-bonding) are distinct fields with emerging overlap.
  • Doubly ionic H-bonds, formed between IL cations and anions, are central to IL properties but underexplored.
  • ILs exhibit diverse H-bond types (bifurcated, chelating) beyond those in molecular liquids.

Purpose of the Study:

  • To explore the characterization and quantification of doubly ionic H-bonds in ILs.
  • To extend established computational methods for analyzing neutral and ionic H-bonds to doubly ionic H-bonds.
  • To compare the nature and strength of doubly ionic H-bonds with traditional H-bonds.

Main Methods:

  • Utilized ab initio computed parameters including association energies and partial charges.
  • Applied Quantum Theory of Atoms in Molecules (QTAIM) methodology (ρBCP) for density descriptors.
  • Employed Natural Bond Orbital (NBO) analysis and qualitative molecular orbital theory.

Main Results:

  • Established robust methods (QTAIM, NBO) for analyzing doubly ionic H-bonds.
  • Demonstrated that doubly ionic H-bonds couple ionic and H-bond interactions.
  • Showcased how ion charges enhance orbital overlap and strengthen these H-bonds.

Conclusions:

  • Doubly ionic H-bonds represent a significant, yet under-recognized, area of H-bonding.
  • These bonds exhibit a full spectrum of strengths, from weak to very strong.
  • Computational methods like NBO and QTAIM are effective for their characterization.