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Related Concept Videos

Ionic Compounds: Formulas and Nomenclature03:34

Ionic Compounds: Formulas and Nomenclature

87.5K
An element composed of atoms that readily lose electrons (a metal) can react with an element composed of atoms that readily gain electrons (a nonmetal) to produce ions through complete electron transfer. The compound formed by this transfer is stabilized by the electrostatic attractions (ionic bonds) between the oppositely charged ions.
87.5K
Ionic Radii03:10

Ionic Radii

33.6K
Ionic radius is the measure used to describe the size of an ion. A cation always has fewer electrons and the same number of protons as the parent atom; it is smaller than the atom from which it is derived. For example, the covalent radius of an aluminum atom (1s22s22p63s23p1) is 118 pm, whereas the ionic radius of an Al3+ (1s22s22p6) is 68 pm. As electrons are removed from the outer valence shell, the remaining core electrons occupying smaller shells experience a greater effective nuclear...
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Ionic Bonds00:42

Ionic Bonds

131.0K
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...
131.0K
Molecular and Ionic Solids02:54

Molecular and Ionic Solids

20.1K
Crystalline solids are divided into four types: molecular, ionic, metallic, and covalent network based on the type of constituent units and their interparticle interactions.
Molecular Solids
Molecular crystalline solids, such as ice, sucrose (table sugar), and iodine, are solids that are composed of neutral molecules as their constituent units. These molecules are held together by weak intermolecular forces such as London dispersion forces, dipole-dipole interactions, or hydrogen bonds, which...
20.1K
Solubility of Ionic Compounds02:55

Solubility of Ionic Compounds

68.2K
Solubility is the measure of the maximum amount of solute that can be dissolved in a given quantity of solvent at a given temperature and pressure. Solubility is usually measured in molarity (M) or moles per liter (mol/L). A compound is termed soluble if it dissolves in water.
68.2K
Ionic Crystal Structures02:42

Ionic Crystal Structures

17.1K
Ionic crystals consist of two or more different kinds of ions that usually have different sizes. The packing of these ions into a crystal structure is more complex than the packing of metal atoms that are the same size.
Most monatomic ions behave as charged spheres, and their attraction for ions of opposite charge is the same in every direction. Consequently, stable structures for ionic compounds result (1) when ions of one charge are surrounded by as many ions as possible of the opposite...
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Updated: Feb 4, 2026

Fabrication Procedures and Birefringence Measurements for Designing Magnetically Responsive Lanthanide Ion Chelating Phospholipid Assemblies
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Fabrication Procedures and Birefringence Measurements for Designing Magnetically Responsive Lanthanide Ion Chelating Phospholipid Assemblies

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Designing Dimeric Lanthanide(III)-Containing Ionic liquids.

Éadaoin McCourt1, Kane Esien2, Li Zhenyu1

  • 1The Quill Research Centre, The School of Chemistry and Chemical Engineering, Queen's University of Belfast, BT95AG, Belfast, UK.

Angewandte Chemie (International Ed. in English)
|September 25, 2018
PubMed
Summary

Researchers created liquid lanthanide(III) compounds by designing dimeric solids. These new liquid materials maintain their dimeric structure and exhibit spin-spin interactions similar to their solid counterparts.

Keywords:
DimerIonic LiquidsLanthanidesMagnetic PropertiesMaterials Chemistry

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Area of Science:

  • Inorganic Chemistry
  • Materials Science
  • Magnetochemistry

Background:

  • Lanthanide(III)-containing compounds are typically solids.
  • Dimeric structures in lanthanide compounds offer unique magnetic properties.
  • Achieving liquid states for such compounds is challenging.

Purpose of the Study:

  • To prepare novel liquid dimeric lanthanide(III)-containing compounds.
  • To investigate the effect of anion and cation structure on the physical state.
  • To study magnetic interactions in the liquid dimeric state.

Main Methods:

  • Design and synthesis of dimeric lanthanide(III) solids.
  • Tuning of anion and cation structures to lower melting points.
  • Magnetic measurements at low temperatures.

Main Results:

  • Successfully prepared liquid dimeric lanthanide(III) compounds with melting points below room temperature.
  • Maintained the dimeric structure in the liquid state.
  • Observed spin-spin interactions between lanthanide(III) ions in the liquid state, matching those in analogous crystalline solids.

Conclusions:

  • It is possible to create liquid dimeric lanthanide(III) compounds by careful structural design.
  • Anion and cation tuning are key to achieving liquid states while preserving dimeric structures.
  • Liquid lanthanide(III) dimeric compounds retain characteristic magnetic interactions.