A classical polarizability treatment for planar bis{2-[(R)-1,2,2-trimethyl-propyliminomethyl] naphtholato(1–)-NO}nickel(II)

Abstract

The high intensity and the shape of the circular dichroism spectrum of the title complex in the 30 000–50 000 cm^–1 region has been interpreted on the basis of the DeVoe theory. The complex assumes preferentially a chiral umbrella conformation in solution and a maximum value (133 °) is suggested for the umbrella angle Φ. In addition, the chirality R of the umbrella can be deduced making reasonable assumptions about the polarization direction of the absorption band (36 000 cm^–1) employed in the calculations.