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Related Concept Videos

Alkyl Halides02:45

Alkyl Halides

22.1K
Structural Properties
Alkyl halides are halogen-substituted alkanes wherein one or more hydrogen atoms of an alkane is replaced by a halogen atom such as fluorine, chlorine, bromine, or iodine. The carbon atom in an alkyl halide is bonded to the halogen atom, which is sp3-hybridized and exhibits a tetrahedral shape.
Unlike alkyl halides, compounds in which a halogen atom is bonded to an sp2 -hybridized carbon atom of a carbon-carbon double bond (C=C) are called vinyl halides. Whereas aryl...
22.1K
Intermolecular Forces03:13

Intermolecular Forces

77.1K
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...
77.1K
Halogens03:01

Halogens

24.2K
Group 17 elements, known as halogens, are nonmetals. At room temperature, fluorine and chlorine are gases, bromine is a liquid, and iodine a solid. Astatine is a highly unstable radioactive element, so currently, most of its properties are unknown due to its short half-life. Tennessine is a synthetic element also predicted to be in this group. 
24.2K
Molecular Shape and Polarity03:37

Molecular Shape and Polarity

77.3K
Dipole Moment of a Molecule
77.3K
Electrophilic 1,2- and 1,4-Addition of X2 to 1,3-Butadiene01:14

Electrophilic 1,2- and 1,4-Addition of X2 to 1,3-Butadiene

3.9K
Electrophilic addition of halogens to alkenes proceeds via a cyclic halonium ion to form a 1,2-dihalide or a vicinal dihalide.
3.9K
Ionic Crystal Structures02:42

Ionic Crystal Structures

20.7K
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...
20.7K

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

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A 2D Polychloride Network Held Together by Halogen-Halogen Interactions.

Robin Brückner1, Heike Haller1, Simon Steinhauer1

  • 1Fachbereich für Biologie, Chemie, Pharmazie, Institut für Chemie und Biochemie - Anorganische Chemie, Fabeckstrasse 34/36, 14195 Berlin (Germany).

Angewandte Chemie (International Ed. in English)
|November 8, 2015
PubMed
Summary
This summary is machine-generated.

Researchers synthesized a novel room-temperature ionic liquid with a unique 2D polychloride network. This new compound, [Et4N]2[(Cl3)2·Cl2], offers potential applications in materials science due to its distinct anionic layer structure.

Keywords:
crystal structureshalogen-halogen bondingionic liquidspolychloridessolid-state calculations

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Area of Science:

  • Materials Chemistry
  • Solid-State Chemistry
  • Ionic Liquid Research

Background:

  • Ionic liquids (ILs) are salts with low melting points, often exhibiting unique structural and electronic properties.
  • Polychloride anions are less explored compared to other halide anions in IL synthesis.
  • Designing novel ILs with specific network structures is crucial for advanced material applications.

Purpose of the Study:

  • To synthesize and crystallize a new polychloride compound from a eutectic mixture of ionic liquids.
  • To investigate the structural characteristics of the synthesized compound, particularly its anionic network.
  • To confirm its classification as a room-temperature ionic liquid (RTIL).

Main Methods:

  • Synthesis and crystallization of the polychloride compound from a eutectic mixture of ionic liquids.
  • Characterization using Infrared (IR) and Raman spectroscopy.
  • Single-crystal X-ray structure determination.
  • Solid-state quantum-chemical calculations.

Main Results:

  • Successful synthesis and crystallization of the novel polychloride compound [Et4N]2[(Cl3)2·Cl2].
  • Discovery of a periodic 2D polychloride network functioning as an anionic layer within the crystal structure.
  • Confirmation of room-temperature ionic liquid properties, indicated by a low melting point and low vapor pressure.
  • Experimental characterization results were corroborated by quantum-chemical calculations.

Conclusions:

  • The synthesized compound represents a new class of ionic liquids featuring a 2D polychloride anionic network.
  • The unique structure and RTIL properties suggest potential for applications in areas like electrolytes or functional materials.
  • The study highlights the feasibility of creating complex halide-based ionic liquids through careful synthesis and characterization.