IRON AND RUTHENIUM COMPLEXES POSSESSING UNUSUAL ELECTRONIC PROPERTIES. PART I: SYNTHESIS AND SPIN STATE STUDIES OF GAMMA-SUBSTITUTED TRIS(BETA-DIKETONATO)IRON(III) COMPLEXES AND THEIR BETA-KETOIMINE ANALOGUES DERIVED FROM TRIETHYLENETETRAMINE. PART II: A DIRECT MEASUREMENT OF DYNAMIC SPIN INTERCONVERSION RATES IN THE SPIN EQUILIBRIUM PROTEIN FERRIC MYOGLOBIN HYDROXIDE. PART III: SYNTHESIS, PHOTOEMISSION, AND ELECTROCHEMICAL STUDIES OF