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Chromium(III) selenide

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Chromium(III) selenide
Names
IUPAC name Chromium(III) selenide
Other names Dichromium triselenide
Identifiers
Properties
Chemical formula Cr2Se3
Molar mass 340.87 g/mol
Appearance Maroon powder
Density 5.7-9.7 g/cm3
Solubility in water insoluble
Related compounds
Other anions Chromium(III) oxide
Chromium(III) sulfide
Chromium(III) telluride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references
Chemical compound

Chromium selenide (Cr2Se3) is an inorganic chemical compound composed of the chromium(III) cation and the selenide anion. It is formed as a maroon-colored amorphous powder, and has a rhombohedral crystal structure.

Properties

Sheets of chromium(III) selenide were found to contain ferromagnetic properties, when below 70 K.

References

  1. ^ "Chromic Selenide, Cr2Se3". Atomistry. Retrieved 6 January 2025.
  2. ^ "Stoichiometry-Tunable Synthesis and Magnetic Property Exploration of Two-Dimensional Chromium Selenides". ACS Nano. 18 (8): 6276–6285. 14 February 2024. doi:10.1021/acsnano.3c10609. Retrieved 6 January 2025.
Chromium compounds
Chromium(0)
Organochromium(0) compounds
  • Cr(C6H6)2
  • CrC6H6(CO)3
    • Chromium(I)
    Organochromium(I) compounds
    Chromium(II)
    Organochromium(II) compounds
    Chromium(II, III)
    Chromium(III)
    Chromium(IV)
    Chromium(V)
    Chromium(VI)
    Polyatomic ion
    Salts and covalent derivatives of the selenide ion
    H2Se
    H2Se2
    +H
    -H     		He
    Li2Se Be SexByOz CSe2
    OCSe
    (CH3)2Se     		(NH4)2Se O F Ne
    Na2Se MgSe Al2Se3 Si PxSey
    -P     		+S Cl Ar
    K2Se CaSe Sc2Se3 TiSe2 V CrSe
    Cr2Se3     		MnSe
    MnSe2     		FeSe CoSe NiSe Cu2Se
    CuSe     		ZnSe GaSe
    Ga2Se3
    -Ga     		GeSe
    GeSe2
    -Ge     		As2Se3
    As4Se3     		Se
    n         		Br Kr
    Rb2Se SrSe Y2Se3 Zr NbSe2
    NbSe3     		MoSe2 Tc Ru Rh Pd Ag2Se CdSe InSe
    In2Se3     		SnSe
    SnSe2
    -Sn     		Sb2Se3 Te +I Xe
    Cs2Se BaSe * LuSe
    Lu2Se3     		Hf TaSe2 WSe2
    WSe3     		ReSe2 Os Ir PtSe2 Au HgSe Tl2Se PbSe Bi2Se3 Po At Rn
    Fr Ra ** Lr Rf Db Sg Bh Hs Mt Ds Rg CnSe Nh Fl Mc Lv Ts Og
     
    * LaSe
    La2Se3     		CeSe
    Ce2Se3     		PrSe
    Pr2Se3     		NdSe
    Nd2Se3     		Pm SmSe
    Sm2Se3     		EuSe
    Eu2Se3     		GdSe
    Gd2Se3     		TbSe
    Tb2Se3     		DySe
    Dy2Se3     		HoSe
    Ho2Se3     		ErSe
    Er2Se3     		TmSe
    Tm2Se3     		YbSe
    Yb2Se3
    ** Ac ThSe2 Pa USe2 Np PuSe Am Cm Bk Cf Es Fm Md No
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