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Related Concept Videos

Halogens03:01

Halogens

24.0K
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. 
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Preparation and Reactions of Sulfides02:26

Preparation and Reactions of Sulfides

5.9K
Sulfides are the sulfur analog of ethers, just as thiols are the sulfur analog of alcohol. Like ethers, sulfides also consist of two hydrocarbon groups bonded to the central sulfur atom. Depending upon the type of groups present, sulfides can be symmetrical or asymmetrical. Symmetrical sulfides can be prepared via an SN2 reaction between 2 equivalents of an alkyl halide and one equivalent of sodium sulfide.
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Diazonium Group Substitution with Halogens and Cyanide: Sandmeyer and Schiemann Reactions01:20

Diazonium Group Substitution with Halogens and Cyanide: Sandmeyer and Schiemann Reactions

2.6K
Arenediazonium substitution reactions occur when the diazonium group is substituted by various functional groups such as halides, hydroxyl, nitrile, etc. For instance, arenediazonium salts react with copper(I) salts of chloride, bromide, or cyanide to form corresponding aryl chlorides, bromides, and nitriles. These reactions are named Sandmeyer reactions. Although the mechanism of this reaction is complicated, as illustrated in Figure 1, they are believed to progress via an aryl copper...
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Alkyl Halides02:45

Alkyl Halides

21.1K
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...
21.1K
Exceptions to the Octet Rule02:55

Exceptions to the Octet Rule

38.4K
Many covalent molecules have central atoms that do not have eight electrons in their Lewis structures. These molecules fall into three categories:
38.4K
Hybridization of Atomic Orbitals II03:35

Hybridization of Atomic Orbitals II

50.1K
sp3d and sp3d 2 Hybridization
50.1K

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The Synthesis of [Sn10SiSiMe334]2- Using a Metastable SnI Halide Solution Synthesized via a Co-condensation Technique
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The Synthesis of [Sn10SiSiMe334]2- Using a Metastable SnI Halide Solution Synthesized via a Co-condensation Technique

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Silver Complexes of Dihalogen Molecules.

Przemysław J Malinowski1,2, Daniel Himmel1, Ingo Krossing3

  • 1Institut für Anorganische und Analytische Chemie and Freiburger Materialforschungszentrum (FMF), Albert-Ludwigs-Universität Freiburg, Freiburg i. Br., Germany.

Angewandte Chemie (International Ed. in English)
|July 13, 2016
PubMed
Summary

Researchers created a novel, soluble silver compound with unique complex-forming abilities. This study details three new dihalogen-silver complexes, Ag(Cl2)A, Ag(Br2)A, and Ag(I2)A, derived from this compound.

Keywords:
Raman spectroscopycrystal structuresdensity functional calculationshalogen moleculesweakly coordinating anions

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Area of Science:

  • Inorganic Chemistry
  • Materials Science
  • Organometallic Chemistry

Background:

  • Development of novel silver compounds with unique properties is crucial for advanced materials.
  • Soluble and donor-free silver precursors enable facile synthesis of diverse complexes.
  • Weakly bound complexes offer potential in catalysis and materials applications.

Purpose of the Study:

  • To synthesize and characterize novel dihalogen-silver complexes.
  • To explore the complex-forming capabilities of a new perfluorohexane-soluble silver compound.
  • To investigate the structural and electronic properties of these complexes.

Main Methods:

  • Facile novel synthesis route for the silver compound Ag(A).
  • Single-crystal and powder X-ray diffraction (XRD) for structural determination.
  • Raman spectroscopy and quantum-mechanical calculations for characterization.

Main Results:

  • Successful preparation of three dihalogen-silver complexes: Ag(Cl2)A, Ag(Br2)A, and Ag(I2)A.
  • Characterization confirmed the formation of unusual and weakly bound complexes.
  • Structural and spectroscopic data provided insights into bonding and electronic structure.

Conclusions:

  • The novel silver compound Ag(A) exhibits unprecedented capabilities in forming unusual complexes.
  • The synthesized dihalogen-silver complexes expand the scope of known silver coordination compounds.
  • This work lays the foundation for further exploration of these complexes in various applications.