Chromium azide

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Chromium azide
Names
IUPAC name
Chromium(III) triazide
Other names
  • Chromium(III) azide
  • Chromium triazide
Identifiers
3D model (JSmol)
ChemSpider
  • InChI=1S/Cr.3N3/c;3*1-3-2/q+3;3*-1
    Key: QTGXYCYBAVYYCM-UHFFFAOYSA-N
  • [N-]=[N+]=[N-].[N-]=[N+]=[N-].[N-]=[N+]=[N-].[Cr+3]
Properties
Cr(N3)3
Molar mass 178.06 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Chromium azide is an inorganic chemical compound with the formula Cr(N3)3.

Properties

Chromium azide formation has been investigated from chromium salts and sodium azide. It was separated in 1922 through the evaporation of a dry crystalline chromium(III) nitrate solution in absolute alcohol with sodium azide.[1] Through a spectrophotometric study, it was shown that the chromium(III) nitrate solution's green color was due to the mono-azido-chromium(III) complex. Two absorbency maxima were located at 445 and 605 nm.[1] Chromium azide has luminescence properties from its optically active Cr3+ ions.[2]

References

  1. ^ a b Sherif, F. G.; Oraby, W. M. (4 August 1960). "The structure of chromium azide: Its instability constant in aqueous solutions". J. Inorg. Nucl. Chem. 17 (1–2): 152–158. doi:10.1016/0022-1902(61)80201-7. Retrieved 30 October 2023.
  2. ^ Trzebiatowska, M.; Hermanowicz, K. (3 December 2020). "The mechanism of phase transitions and luminescence properties of azide perovskites". Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 255. doi:10.1016/j.saa.2021.119716. PMID 33784594. S2CID 232430395. Retrieved 30 October 2023.
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