Research Article

Synthesis, Spectroscopic and Thermal Characterization of Copper(II) and Iron(III) Complexes of Folic Acid and Their Absorption Efficiency in the Blood

Table 3

Asymmetric and Symmetric Stretching Vibrations of the Carboxylate group.

Compound (COO) Bonding mode

Folic acid15691453116ā€”
16311369262Mono dentate
16031350253Mono dentate