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二乙基二硫代氨基甲酸鈷(III)

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二乙基二硫代氨基甲酸鈷(III)
IUPAC名
Tris(diethyldithiocarbamato)cobalt
別名 Cobalt diethyl dithiocarbamate
識別
CAS號 13963-60-5
性質
化學式 [(C2H5)2NCS2]3Co
摩爾質量 416.5 g·mol⁻¹
外觀 綠色固體
密度 1.43 g/cm3
若非註明,所有數據均出自標準狀態(25 ℃,100 kPa)下。

二乙基二硫代氨基甲酸鈷(III)是一種配位化合物,化學式為Co(S2CNEt2)3,其中Et為乙基。它是具有抗磁性的綠色固體,可溶於有機溶劑。[1]它可由硝酸鈷和二乙基二硫代氨基甲酸鹽在空氣中氧化製得。[2]其分子具有八面體幾何構型,低自旋的Co(III)具有理想化的D3對稱性,Co-S鍵的鍵長為267 pm。[3]它可以氧化為陽離子型Co(IV)配合物。[2]

它和氟硼酸發生以下反應:[4]

2 Co(Et2dtc)3 + HBF4 → [Co2(Et2dtc)5]BF4 + "Et2NdtcH"

參考文獻

[編輯]
  1. ^ D. Coucouvanis. The Chemistry of the Dithioacid and 1,1-Dithiolate Complexes. Progress in Inorganic Chemistry. 2007, 11: 233–371. ISBN 9780470166123. doi:10.1002/9780470166123.ch4. 
  2. ^ 2.0 2.1 Webster, Richard D.; Heath, Graham A.; Bond, Alan M. Voltammetric, EPR and UV-VIS-NIR spectroscopic studies Associated with the Characterisation of Electrochemically Generated Tris(dithiocarbamato)cobalt(IV) Complexes in Dichloromethane. Journal of the Chemical Society, Dalton Transactions. 2001, (21): 3189–3195. doi:10.1039/b104636p. 
  3. ^ Healy, PC; Connor, J. W.; Skelton, B. W.; White, A. H. Alkyl Substituent Effects in Diamagnetic Dithiocarbamate Cobalt(III) and Nickel(II) Complexes. Australian Journal of Chemistry. 1990, 43 (6): 1083. doi:10.1071/CH9901083. 
  4. ^ Alan R. Hendrickson, Raymond L. Martin, Donald Taylor. Synthesis and properties of dimeric cobalt(III) dithiocarbamate complexes [Co2(R2dtc)5]+: X-ray structural analysis of pentakis(diethyldithiocarbamato)dicobalt(III) tetrafluoroborate. Journal of the Chemical Society, Dalton Transactions. 1975, (21): 2182 [2021-01-07]. ISSN 0300-9246. doi:10.1039/dt9750002182 (英語).