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Copper(II) acetylacetonate

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Copper(II) acetylacetonate
Names
Other names Bi(2,4-pentanedionato)copper; Cupric acetylacetonate
Identifiers
CAS Number
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.033.147 Edit this at Wikidata
EC Number
  • 236-477-9
PubChem CID
UNII
CompTox Dashboard (EPA)
InChI
  • InChI=1S/2C5H8O2.Cu/c2*1-4(6)3-5(2)7;/h2*3,6H,1-2H3;Key: ZKXWKVVCCTZOLD-UHFFFAOYSA-N
SMILES
  • CC(=CC(=O)C)O.CC(=CC(=O)C)O.
Properties
Chemical formula C10H14CuO4
Molar mass 261.764 g·mol
Appearance blue solid
Density 0.721 g/cm
Melting point 279–283 °C (534–541 °F; 552–556 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references
Chemical compound

Copper(II) acetylacetonate is the coordination compound with the formula Cu(O2C5H7)2. It is the homoleptic acetylacetonate complex of copper(II). It is insoluble within water and exists as a bright blue solid. According to X-ray crystallography, the Cu center is square planar. Single crystals of this compound exhibit the unusual property of being highly flexible, allowing the formation of knots. The flexibility is attributed to the nature of the intermolecular forces.

References

  1. Vreshch, Volodimir D.; Yang, Jen-Hsien; Zhang, Haitao; Filatov, Alexander S.; Dikarev, Evgeny V. (2010). "Monomeric Square-Planar Cobalt(II) Acetylacetonate: Mystery or Mistake?". Inorg. Chem. 49 (18): 8430–8434. doi:10.1021/ic100963r. PMID 20795642.
  2. Aidan J. Brock, Jacob J. Whittaker, Joshua A. Powell, Michael C. Pfrunder, Arnaud Grosjean, Simon Parsons, John C. McMurtrie, Jack K. Clegg (2018). "Elastically Flexible Crystals have Disparate Mechanisms of Molecular Movement Induced by Strain and Heat". Angew. Chem. Int. Ed. 57 (35): 11325–11328. doi:10.1002/anie.201806431. PMID 29998602.{{cite journal}}: CS1 maint: multiple names: authors list (link)
Copper compounds
Cu(0,I)
Cu(I)
Cu(I,II)
Cu(II)
Cu(III)
Cu(IV)
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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