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A titanocene-ferrocenyl complex, (5-ferrocenyl-2-hydroxybenzenecarboxylato- O,O′)-bis(methylcyclopentadienyl)titanium(IV) 4, and an unexpected ionic complex, [C7H8NO3]- [(C5H5)Fe(C5H4)SO3]·H2O 3 were synthesized and characterized by IR, 1H NMR and el