Expand this Topic clickable element to expand a topic
Skip to content
Optica Publishing Group

Excited-state conformational dynamics of nickel (II) porphyrins

Not Accessible

Your library or personal account may give you access

Abstract

Time-resolved Raman and absorption spectroscopies were used to characterize the vibrational frequencies and electronic structure of the *B1g excited state of nickel (II) octaethylporphyrin and nickel (II) protoporphyrin IX diemthyl ester in noncoordinating solvents. Spectroscopic evidence for structural relaxation processes within the initial *B1g excited state on picosecond time scales suggests structural interconversion. Multiple conformations are expected to exist in solution based on crystal structures and previous resonance Raman studies. Here we present calculations that support conformational interconversions. Structural dynamics may play a role in the complex mechanisms of many biological systems that involve metalloporphyrins.

© 1990 Optical Society of America

Full Article  |  PDF Article
More Like This
Femtosecond spectroscopy of stimulated emission from highly excited dye molecules

F. Laermer, W. Israel, and T. Elsaesser
J. Opt. Soc. Am. B 7(8) 1604-1609 (1990)

Relaxation dynamics of photoexcitations in polydiacetylenes and polythiophene

Takayoshi Kobayashi, Masayuki Yoshizawa, Uwe Stamm, Makoto Taiji, and Masamitsu Hasegawa
J. Opt. Soc. Am. B 7(8) 1558-1578 (1990)

Femtosecond molecular dynamics probed through resonance Raman intensities

Anne B. Myers
J. Opt. Soc. Am. B 7(8) 1665-1672 (1990)

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Figures (6)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Tables (1)

You do not have subscription access to this journal. Article tables are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Select as filters


Select Topics Cancel
© Copyright 2024 | Optica Publishing Group. All Rights Reserved