Chemical elements
    Physical Properties
    Chemical Properties
      Silicon Tetrahydride
      Silicon Tetrafluoride
      Hydrofluosilicic Acid
      Silicon Subfluoride
      Silicon Tetrachloride
      Silicon Tetrabromide
      Silicon Tetra-iodide
      Mixed Halides of Silicon
      Halogen Derivatives of Silico-ethane
      Halogen Derivatives of Silicopropane
      Halogen Derivatives of Silicobutane
      Halogen Derivatives of Silicopentane and Silicohexane
      Silicon Oxychlorides
      Silicon Dioxide
      Silicoformic Anhydride
      Silico-oxalic Acid
      Silicomes-oxalic Acid
      Silicon Disulphide
      Silicon Monosulphide
      Silicon Oxysulphide
      Silicon Thiochloride
      Silicon Thiobromide
      Silicon Chloroitydrosulphide
      Silicon Selenide
      Silicon Tetramide
      Silicon Di-imide
      Silicon Nitrimide
      Siliconitrogen Hydride
      Silicon Nitrides
      Crystalline Silicon Monocarbide
      Silicon Dicarbide
      Silicon Carboxide
      Borides of Silicon
    PDB 1fuq-4ehr

Silicon Di-imide, Si(NH)2

Silicon Di-imide, Si(NH)2, is formed from the tetramide by loss of ammonia:

Si(NH2)4 = Si(NH)2 + 2NH3,

which commences above 0° C. and is complete at 120° C. It is also produced by the action of liquid ammonia on silicon disulphide or thio-chloride, and may be isolated from the product of the action of gaseous ammonia on silicon tetrachloride.

Silicon di-imide is a white, infusible, amorphous powder, stable towards moderate heat in absence of air; it is basic, forming the white hydrochloride Si(NH)2.2HCl. Water hydrolyses it to silicic acid and ammonia.

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