Aluminium selenide

Aluminium selenide is the inorganic compound with the formula Al2Se3.

Aluminium selenide
Names
Other names
Aluminium(III) selenide
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.013.737
EC Number
  • 215-110-6
PubChem CID
UNII
  • InChI=1S/2Al.3Se/q2*+3;3*-2 Y
    Key: CYRGZAAAWQRSMF-UHFFFAOYSA-N Y
  • InChI=1/2Al.3Se/q2*+3;3*-2
    Key: CYRGZAAAWQRSMF-UHFFFAOYAJ
SMILES
  • [Al+3].[Al+3].[Se-2].[Se-2].[Se-2]
Properties
Al2Se3
Molar mass 290.84 g/mol
Appearance yellow to brown powder
Odor odorless
Density 3.437 g/cm3
Melting point 947 °C (1,737 °F; 1,220 K)
decomposes
Structure
Monoclinic, mS20, Space group Cc, No. 9
Thermochemistry
Std molar
entropy (S⦵298)
 154.8 J/mol K
Std enthalpy of
formation (ΔfH⦵298)
 -566.9 kJ/mol
Hazards
GHS labelling:
Danger
H301, H331, H373, H410
P260, P261, P264, P270, P271, P273, P301+P310, P304+P340, P311, P314, P321, P330, P391, P403+P233, P405, P501
NFPA 704 (fire diamond)
3
0
3
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Y verify (what is YN ?)
Infobox references
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