140 likes | 233 Views
M. Zeller Paramagnetic Oligophosphametallocenes. How to change the properties of metallocenes?. M. Zeller Paramagnetic Oligophosphametallocenes. Some oligophospha metallocenes made before:.
E N D
M. Zeller Paramagnetic Oligophosphametallocenes How to change the properties of metallocenes?
M. Zeller Paramagnetic Oligophosphametallocenes Some oligophospha metallocenes made before: R. Bartsch, P. B. Hitchcock, J. F. Nixon, J. Chem. Soc., Chem. Commun.1987, 373, 1146-1148. R. Bartsch, P. B. Hitchcock, J. F. Nixon, J. Organomet. Chem.1988, 365, C1-C4. P. B. Hitchcock, J. F. Nixon, R. M. Matos, J. Organomet. Chem. 1995, 490, 155-162.R. Bartsch, P. B. Hitchcock, J. F. Nixon, J. Organomet. Chem.1989, 373, C17-C20.
M. Zeller Paramagnetic Oligophosphametallocenes The first attempt to make an oligophospha cobaltocene: R. Bartsch, P. B. Hitchcock, J. F. Nixon, J. Chem. Soc., Chem. Commun.1988, 819-820.
M. Zeller Paramagnetic Oligophosphametallocenes Squid-Measurement: Antiferromagnetic coupling of a low spin complex
M. Zeller Paramagnetic Oligophosphametallocenes Electronic structures of carbacyclic manganocenes
M. Zeller Paramagnetic Oligophosphametallocenes EPR-Spectra in hexane: <g> = 2.007 <A(55Mn, I=5/2)> = 78.9 G rt 120 K, glassy frozen solution g = 1,996, A= 0 G g = 2.029 A,= 115.7 G
M. Zeller Paramagnetic Oligophosphametallocenes DFT-Calculation of the spin density a dz2 SOMO
M. Zeller Paramagnetic Oligophosphametallocenes Phosphorus change of the orbital sequence