1,4,7-Trithiacyclononane on:
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1,4,7-Trithiacyclononane, also called 9-ane-S3, is the thia-crown ether with the formula (CH2CH2S)3. This cyclic thioether is most often encountered as a tridentate ligand in
coordination chemistry
A coordination complex consists of a central atom or ion, which is usually metallic and is called the ''coordination centre'', and a surrounding array of bound molecules or ions, that are in turn known as ''ligands'' or complexing agents. Many ...
, where it forms transition metal thioether complex
Transition metal thioether complexes comprise coordination complexes of thioether (R2S) ligands. The inventory is extensive.
Dimethylsulfide complexes
As the simplest thioether, dimethyl sulfide forms complexes that are illustrative of the class ...
es.
9-ane-S3 forms complexes with many metal ions, including those considered hard
Hard may refer to:
* Hardness, resistance of physical materials to deformation or fracture
* Hard water, water with high mineral content
Arts and entertainment
* ''Hard'' (TV series), a French TV series
* Hard (band), a Hungarian hard rock super ...
, such as copper(II) and iron(II). Most of its complexes have the formula (9-ane-S3)2sup>2+ and are octahedral. The point group of (9-ane-S3)2sup>2+ is S6.
Synthesis
This compound was first reported in 1977, and the current synthesis entails the assembly within the coordination sphere of a metal ion followed by decomplexation: :
References