Raman and Infrared Spectra of the Dicyanamide Ion

  • Alfred J. Perkins
Part of the Developments in Applied Spectroscopy book series (DAIS, volume 2)


The dicyanamide or dicyanimide ion (N≡C—N—C≡N)- is isoelectronic with carbon suboxide and therefore might exist in a linear resonance form \(\text{(N}^\text{-} = \text{C=}\mathop\text{N}\limits^\text{+} = \text{C=N}^\text{-})\) having the same double bond array as the latter. A comparison of the infrared with Raman spectra should show at once whether this ion is linear or bent, since the linear form would have a center of symmetry and there would therefore be no coincidence in absorption between the two types of spectra.


Raman Spectrum Force Constant Cyanogen Bromide Normal Coordinate Analysis Combination Tone 
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Copyright information

© Society for Applied Spectroscopy Chicago, Illinois 1963

Authors and Affiliations

  • Alfred J. Perkins
    • 1
  1. 1.University of IllinoisChicagoUSA

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