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Chromium(II) acetylacetonate

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Chromium(II) acetylacetonate
Names
Other names chromous acetylacetonate
Identifiers
CAS Number
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.034.401 Edit this at Wikidata
EC Number
  • 237-856-1
Gmelin Reference 487208
PubChem CID
InChI
  • InChI=1S/2C5H7O2.Cr/c2*1-4(6)3-5(2)7;/h2*3H,1-2H3;/q2*-1;+2Key: JCHSWVKCCGSOCY-UHFFFAOYSA-N
SMILES
  • CC(=O)C(=O)C.CC(=O)C(=O)C.
Properties
Chemical formula C10H14CrO4
Molar mass 250.214 g·mol
Appearance yellow-brown solid
Density 1.48 g/cm
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references
Chemical compound

Chromium(II) acetylacetonate is the coordination compound with the formula Cr(O2C5H7)2. It is the homoleptic acetylacetonate complex of chromium(II). It is an air-sensitive, paramagnetic yellow brown solid. According to X-ray crystallography, the Cr center is square planar. In contrast to the triplet ground state for this complex, the bis(pyridine) adduct features noninnocent acac ligand attached to Cr(III).

See also

References

  1. Cotton, F. A.; Rice, C. E.; Rice, G. W. (1977). "The Crystal and Molecular Structures of Bis(2,4-pentanedionato)chromium". Inorganica Chimica Acta. 24: 231-234. doi:10.1016/S0020-1693(00)93880-5.
  2. Vinum, Morten Gotthold; Voigt, Laura; Hansen, Steen H.; Bell, Colby; Clark, Kensha Marie; Larsen, René Wugt; Pedersen, Kasper S. (2020). "Ligand field-actuated redox-activity of acetylacetonate". Chemical Science. 11 (31): 8267–8272. doi:10.1039/d0sc01836h. PMC 8163028. PMID 34094180.
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
    Metal acetylacetonate complexes
    H(acac) He
    Li Be B C N O F Ne
    Na(acac) Mg Al(acac)3 Si P S Cl Ar
    K Ca Sc(acac)3 Ti(acac)2Cl2
    Ti(acac)3     		V(acac)3
    VO(acac)2     		Cr(acac)2
    Cr(acac)3     		Mn Fe(acac)2
    Fe(acac)3     		Co(acac)2
    Co(acac)3     		3 Cu(acac)2 Zn(acac)2 Ga(acac)3 Ge As Se Br Kr
    Rb Sr Y(acac)3 Zr(acac)4 Nb MoO2(acac)2 Tc Ru(acac)3 Rh(acac)(CO)2
    Rh(acac)3     		Pd(acac)2 Ag Cd In(acac)3 Sn Sb Te I Xe
    Cs Ba(acac)2 * Lu(acac)3 Hf(acac)4 Ta W Re Os Ir(acac)3 Pt(acac)2 Au Hg Tl(acac) Pb Bi Po At Rn
    Fr Ra ** Lr Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og
     
    * La(acac)3 Ce(acac)3 Pr(acac)3 Nd(acac)3 Pm Sm(acac)3 Eu(fod)3
    Eu(acac)3     		Gd(acac)3 Tb(acac)3 Dy(acac)3 Ho(acac)3 Er(acac)3 Tm(acac)3 Yb(acac)3
    ** Ac Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No
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