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Barium acetylacetonate

Summary

Barium acetylacetonate is a compound with formula Ba(C5H7O2)2. It is the Ba2+ complex of the anion acetylacetonate. The compound is typically encountered as an ill-defined hydrate, which would accord with the high coordination number characteristic of barium.[1][2]

Barium acetylacetonate
Names
IUPAC name
Barium(2+); (Z)-4-oxopent-2-en-2-olate
Identifiers
  • 12084-29-6 checkY
3D model (JSmol)
  • Interactive image
ChemSpider
  • 4588876
ECHA InfoCard 100.031.944 Edit this at Wikidata
EC Number
  • 235-151-3
  • 5486157
  • InChI=1S/2C5H8O2.Ba/c2*1-4(6)3-5(2)7;/h2*3,6H,1-2H3;/q;;+2/p-2/b2*4-3-;
    Key: DJHZYHWLGNJISM-FDGPNNRMSA-L
  • [Ba+2].O=C(/C=C(\[O-])C)C.[O-]\C(=C/C(=O)C)C
Properties
C10H14BaO4
Molar mass 335.545 g·mol−1
Appearance White solid
Hazards
GHS labelling:
GHS07: Exclamation mark
Warning
H302, H332
P261, P264, P270, P271, P301+P312, P304+P312, P304+P340, P312, P330, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Uses edit

 
Structure of gaseous barium acetylacetonate.

Barium acetylacetonate has been examined in metal organic chemical vapour deposition of BaTiO3 thin films.[3] The related complex with hexafluoroacetylacetonate Ba(hfa)2(tetraglyme) has also been investigated. Its formation of a sublimable adduct containing a polyether illustrates the high coordination numbers typical of barium.[4]

References edit

  1. ^ Paw, Witold; Baum, Thomas H.; Lam, Kin-Chung; Rheingold, Arnold L. (2000). "Low-Melting, Mononuclear Tetrahydrofuran Complexes of M(2,2,6,6-tetramethylheptane-3,5-dionate)2 (M = Ba, Sr) and Related Analogues". Inorganic Chemistry. 39 (9): 2011–2014. doi:10.1021/ic990641z. PMID 11428125.
  2. ^ Rossetto, G.; Polo, A.; Benetollo, F.; Porchia, M.; Zanella, P. (1992). "Studies on molecular barium precursors for MOCVD: Synthesis and characterization of barium 2,2,6,6-tetramethyl-3,5-heptanedionate. X-ray crystal structure of [Ba(THD)2·Et2O]2". Polyhedron. 11 (8): 979–985. doi:10.1016/S0277-5387(00)83351-3.
  3. ^ Lee, C. H.; Park, S. J. (1990-12-01). "Preparation of ferroelectric BaTiO3 thin films by metal organic chemical vapour deposition". Journal of Materials Science: Materials in Electronics. 1 (4): 219–224. doi:10.1007/BF00696081. S2CID 101586516.
  4. ^ Schulz, Douglas L.; Neumayer, Deborah A.; Marks, Tobin J. (1997). "Volatile β-Diketonate Complexes of Calcium(II), Strontium(II), and Barium(II)". Inorganic Syntheses. 31: 1–7. doi:10.1002/9780470132623.ch1. ISBN 9780470132623.