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