1-Acetyl-3-ferrocenyl-5-(2-nitro-phen-yl)-2-pyrazoline.

In the title compound, [Fe(C(5)H(5))(C(16)H(14)N(3)O(3))], the pyrazoline ring and the substituted cyclo-penta-dienyl ring are nearly coplanar, with a dihedral angle of 8.17 (2)°, while the nitro-substituted benzene ring is twisted out of the pyrazoline ring plane by 70.76 (1)°. The mol-ecules in the crystal structure are held together by three inter-molecular C-H⋯O hydrogen bonds. There is also an intra-molecular C-H⋯N hydrogen bond. The H atoms of the methyl group are disordered equally over two positions.