Selenocyanate
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Selenocyanate
Potassium selenocyanate
KSeCN.png
Potassium selenocyanate.jpg
Identifiers
  • 3425-46-5
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.020.292 Edit this at Wikidata
EC Number
  • 222-320-1
  • InChI=1S/CHNSe.K/c2-1-3;/h3H;/q;+1/p-1
    Key: KYEKHFSRAXRJBR-UHFFFAOYSA-M
  • C(#N)[Se-].[K+]
Properties
CNKSe
Molar mass 144.08
Appearance colorless or white solid
Density 2.35 g/cm3
high
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Potassium selenocyanate is the inorganic compound with the formula KSeCN. It is a hygroscopic white solid that is soluble in water, decomposing in air to red selenium and potassium cyanide. The compound has been characterized by X-ray crystallography, which confirms that it is a salt. The C-N and C-Se distances are 1.12 and 1.83, respectively, consistent with triple and single bonds. [1]

It serves as a source of Se0, e.g., in its reaction with triphenylphosphine to give triphenylphosphine selenide.[2]

References

  1. ^ Swank, Duane D.; Willett, Roger D. (1965). "The Crystal Structure of Potassium Selenocyanate". Inorganic Chemistry. 4: 499-501. doi:10.1021/ic50026a013.
  2. ^ Nicpon, Philip; Meek, Devon W. (1967). "Triphenylphosphine Selenide". Inorganic Syntheses. 10: 157-159. doi:10.1002/9780470132418.ch23.

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Selenocyanate
 



 



 
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