Characterization and Crystal Structure of a Novel Mononuclear Cobalt(II) Complex with Hydrazone Derived from Protocatechuic Acid.

A novel complex [CoII(L)2·CH3OH] with hydrazone derived from protocatechuic acid (HL=C16H14N2O4) is designed and synthesized. The complex is characterized by single crystal X-ray diffraction, elemental analysis, IR, and thermal gravimetric analysis. The complex crystallizes in the monoclinic space group <italic>C</italic>2/<italic>c</italic>, with unit cell dimensions <italic>a</italic> = 25.1715(11), <italic>b</italic> = 9.3518(4), <italic>c</italic> = 12.8700(6) Å, β = 103.6530(10)°, <italic>V</italic> = 2943.98(75) Å3, <italic>Z</italic> = 4, <italic>R</italic>1 = 0.0612, and <italic>wR</italic>2 = 0.1439. [ABSTRACT FROM AUTHOR]