G. Ferguson et al., CENYLMETHYL)-2,2,6,6-TETRAMETHYL-3,5-HEPTANEDIONE, A NON-ENOLIZED 1,3-DIKETONE, Acta crystallographica. Section C, Crystal structure communications, 50, 1994, pp. 1673-1676
The analysis of the title compound, (2,2-dimethylpropanoyl)ethyl]cyclo
pentadenyl}iron, [(C5H5)Fe{(C5H4)CH2CH(COCMe(3))(2)}], shows that it e
xists in the solid state in the diketo form; there is no evidence at a
ll for any keto-enol tautomeric contribution to the ground-state struc
ture.