Cymantrenyl Schiff base compounds [(CO) 3 Mn{(η 5 -C 5 H 4 )C(CH 3 )N–N(H)C(O)R}] (4–7) (R = C 6 H 4 –OH, C 5 H 4 N-p, C 6 H 5 , C 5 H 4 N-o) have been synthesized by room temperature reaction and their structural characterization was performed by single crystal X-ray diffraction studies. Room temperature reaction of mono- and di-acetyl ferrocene with salicyloyl and isonicotinyl hydrazides led to the formation of the some organometallic Schiff base compounds containing monosubstituted, disubstituted and unsymmetrically substituted ferrocenyl fragments, [(η 5 -C 5 H 5 )Fe{(η 5 -C 5 H 4 )C(CH 3 )N–N(H)C(O)–R}] (8, 9), [Fe{(η 5 -C 5 H 4 )C(CH 3 )NN(H)C(O)R} 2 ] (10, 12) (R = C 6 H 4 –OH, C 5 H 4 N), [{(η 5 -C 5 H 4 )COCH 3 }Fe{(η 5 -C 5 H 4 )C(CH 3 )NN(H)C(O)(C 5 H 4 N)}] (11) and [Fe{(η 5 -C 5 H 4 )C(CH 3 )N–N(H)C(O)(C 5 H 4 N)}{(η 5 -C 5 H 4 )C(CH 3 )NN(H)C(O)C 6 H 4 –OH}] (13) respectively. Antibacterial studies and electrochemical analysis were carried out for some of the compounds. Molecular structure determination was performed for compounds 4, 5, 8 and 9 by single crystal X-ray diffraction technique.