The electronic absorption spectra of Ni, Zn and Mg hemiporphyrazine derivatives are presented and discussed together with theoretical results obtained by INDO/S computations. The absorption spectra of all the metal derivatives show marked red shifts of the lowest energy absorption bands with respect to those of the metal free hemiporphyrazine. The possible explanation that in metal derivatives low lying excited states with a fully conjugated π electron system are present is supported by theoretical computations.
On the electronic states of macrocycles of the extended porphyrin family and their coordination compounds / Mario, Bossa; Elena, Cervone; Garzillo, Carmine; Andrea, Peluso. - In: JOURNAL OF MOLECULAR STRUCTURE. THEOCHEM. - ISSN 0166-1280. - 390:1-3(1997), pp. 101-107. [10.1016/S0166-1280(96)04764-1]
On the electronic states of macrocycles of the extended porphyrin family and their coordination compounds
GARZILLO, CARMINE;
1997
Abstract
The electronic absorption spectra of Ni, Zn and Mg hemiporphyrazine derivatives are presented and discussed together with theoretical results obtained by INDO/S computations. The absorption spectra of all the metal derivatives show marked red shifts of the lowest energy absorption bands with respect to those of the metal free hemiporphyrazine. The possible explanation that in metal derivatives low lying excited states with a fully conjugated π electron system are present is supported by theoretical computations.| File | Dimensione | Formato | |
|---|---|---|---|
|
On the electronic states of the extended porhyrin family.pdf
solo utenti autorizzati
Tipologia:
Documento in Post-print
Licenza:
Accesso privato/ristretto
Dimensione
1.05 MB
Formato
Adobe PDF
|
1.05 MB | Adobe PDF | Visualizza/Apri Richiedi una copia |
I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
