Sodium maleonitriledithiolate
Names | |
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IUPAC name
sodium cis-1,2-dicyano-1,2-ethylenedithiolate | |
Other names
sodium mnt sodium maleonitriledithiolate | |
Identifiers | |
3D model (JSmol) |
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PubChem CID |
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Properties | |
C4N2Na2S2 | |
Molar mass | 186.17 g/mol |
Appearance | yellow solid |
Solubility in ethanol, DMF | Soluble |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
Infobox references | |
Sodium maleonitriledithiolate is the chemical compound described by the formula Na2S2C2(CN)2. The name refers to the cis compound, structurally related to maleonitrile ((CHCN)2). Maleonitriledithiolate is often abbreviated mnt. It is a "dithiolene", i.e. a chelating alkene-1,2-dithiolate. It is a prototypical non-innocent ligand in coordination chemistry. Several complexes are known, such as [Ni(mnt)2]2−.[1]:143-146
The salt is synthesized by treating carbon disulfide with sodium cyanide to give the cyanodithioformate salt, which eliminates elemental sulfur in aqueous solution:[2]
- 2 NaCN + 2 CS2 → Na2S2C2(CN)2 + 1/4 S8
The compound was first described by Bähr and Schleitzer 1958.[3]
References
- ↑ Day, P. and Coronado, E. (2004) Molecular Materials Combining Magnetic and Conducting Properties, in Magnetism: Molecules to Materials V (eds J. S. Miller and M. Drillon), Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim, FRG. doi: 10.1002/3527604383.ch4
- ↑ R. H. Holm, A. Davison "Metal Complexes Derived from cis-1,2-Dicyano-1,2-Ethylenedithiolate and Bis(trifluoromethyl)-1,2-Dithiete" Inorganic Syntheses 1967, volume X, pp.8-26.
- ↑ G. Bähr and G. Schleitzer (1957). "Beiträge zur Chemie des Schwefelkohlenstoffs und Selenkohlenstoffs, II. Die Kondensierende Spontan-Entschwefelung von Salzen und Estern der Cyan-Dithioameisensäure. Freie Cyan-Dithioameisensäure". Chemische Berichte. 90 (3): 438–443. doi:10.1002/cber.19570900322.
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