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Tetraselenium tetranitride

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Tetraselenium tetranitride
Names

IUPAC name 2,4,6,8-tetraselena-1,3,5,7-tetrazatricyclo[3.3.0.0^3,7]octane
Other names nitrogen selenide
Identifiers
CAS Number	10102-12-2
3D model (JSmol)	Interactive image
ChemSpider	68007107
PubChem CID	134812014
UNII	K1U2U165UH
CompTox Dashboard (EPA)	DTXSID201349794
InChI InChI=1S/N4Se4/c5-1-2-7-3(5)4(6-1)8-2 Key: KEFYKDIPBYQPHW-UHFFFAOYSA-N
SMILES N12N3[Se]N([Se]1)N([Se]2)[Se]3
Properties
Chemical formula	Se₄N₄
Molar mass	371.912 g·mol⁻¹
Appearance	orange solid
Density	4.223 g/cm³^[1]
Hazards
Occupational safety and health (OHS/OSH):
Main hazards	explosive
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Tetraselenium tetranitride is the inorganic compound with the formula Se₄N₄. Like the analogous tetrasulfur tetranitride S₄N₄, Se₄N₄ is an orange solid. It is however less soluble and more shock-sensitive than S₄N₄.^[2]

As determined by X-ray crystallography, Se₄N₄ adopts a cage structure similar to that of S₄N₄. The Se−Se and Se−N distances are 2.740 and 1.800 Å, respectively. The N−Se−N angles are 90°.^[1]^[3]

Among its many reactions,^[4]^[5] Se₄N₄ reacts with aluminium chloride to form adducts of Se₂N₂.^[6]

References[edit]

^ ^a ^b Folkerts, Hella; Neumüller, Bernhard; Dehnicke, Kurt (1994). "Synthese und Kristallstruktur einer neuen Modifikation von Tetraselentetranitrid, Se₄N₄". Zeitschrift für anorganische und allgemeine Chemie. 620 (6): 1011–1015. doi:10.1002/zaac.19946200610.

^ Klapötke, T.M. (1992). "Binary Selenium-Nitrogen Species and Related Compounds". In R. Steudel (ed.). The Chemistry of Inorganic Ring Systems. Studies in Inorganic Chemistry. Vol. 14. Elsevier. p. 409. doi:10.1016/B978-0-444-88933-1.50025-8. ISBN 9780444889331.

^ Bärnighausen, H.; von Volkmann, T.; Jander, J. (1966). "Die Kristallstruktur von Tetrastickstofftetraselenid N₄Se₄". Acta Crystallographica. 21 (4): 571–577. Bibcode:1966AcCry..21..571B. doi:10.1107/S0365110X66003475.

^ Kelly, P. F.; Woollins, J. D. (1993). "The Reactivity of Se₄N₄ in Liquid Ammonia". Polyhedron. 12 (10): 1129–1133. doi:10.1016/S0277-5387(00)88201-7.

^ Kelly, P. F.; Slawin, A. M. Z.; Soriano-Rama, A. (1997). "Use of Se₄N₄ and Se(NSO)₂ in the Preparation of Palladium Adducts of Diselenium Dinitride, Se₂N₂; Crystal Structure of [PPh₄]₂[Pd₂Br₆(Se₂N₂)]". Dalton Transactions. 1997 (4): 559–562. doi:10.1039/a606311j.

^ Kelly, P. F.; Slawin, A. M. Z. (1996). "Preparation and Crystal Structure of [(AlBr₃)₂(Se₂N₂)], the First Example of a Main-Group Element Adduct of Diselenium Dinitride". Dalton Transactions. 1996 (21): 4029–4030. doi:10.1039/DT9960004029.