Rhenium diselenide

Rhenium diselenide

d: SEM micrograph of a typical parallelogram-shaped ReSe2 flake, scale bar 1 µm.
g: top view of the ReSe2 atomic lattice
Unit cell of rhenium diselenide under standard conditions.
Unit cell of rhenium diselenide.
Names
IUPAC name
Bis(selanylidene)rhenium
Other names
Rhenium(IV) selenide
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.031.696 Edit this at Wikidata
EC Number
  • 234-879-9
  • InChI=1S/2Se.Re
    Key: CUYHGAIVHCHFIA-UHFFFAOYSA-N
  • [Se]=[Re]=[Se]
Properties
ReSe2
Molar mass 344.13 g/mol[1]
Odor odorless
Density 9.22 g/cm3[2]
insoluble
Band gap ~1.2 eV (300 K), indirect[3]
Structure
Triclinic, aP12, space group P1, No 2[2]
a = 0.6602 nm, b = 0.6716 nm, c = 0.6728 nm
α = 91.82°, β = 104.9°, γ = 118.94°
4
Related compounds
Other anions
Rhenium(IV) oxide
Rhenium disulfide
Rhenium ditelluride
Other cations
Manganese diselenide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Rhenium diselenide is an inorganic compound with the formula ReSe2. It has a layered structure where atoms are strongly bonded within each layer. The layers are held together by weak Van der Waals bonds, and can be easily peeled off from the bulk material.

  1. ^ Haynes, William M., ed. (2011). CRC Handbook of Chemistry and Physics (92nd ed.). Boca Raton, FL: CRC Press. p. 4.84. ISBN 1-4398-5511-0.
  2. ^ a b Wildervanck, J.C; Jellinek, F (1971). "The dichalcogenides of technetium and rhenium". Journal of the Less Common Metals. 24: 73–81. doi:10.1016/0022-5088(71)90168-8.
  3. ^ Dumcenco, D; Huang, Y. S; Liang, C. H; Tiong, K. K (2008). "Optical characterization of Au-doped rhenium diselenide single crystals". Journal of Applied Physics. 104 (6): 063501–063501–6. Bibcode:2008JAP...104f3501D. doi:10.1063/1.2977682.