The Two-Photon Excitation Spectrum of Phenanthrene Crystal

Otokozawa, Hiroshi; Inomata, Shigehiro; Mikami, Naohiko; Itô, Mitsuo

doi:10.1246/bcsj.50.2899

Bulletin of the Chemical Society of Japan

1977

DOI: 10.1246/bcsj.50.2899

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The Two-Photon Excitation Spectrum of Phenanthrene Crystal

Hiroshi Otokozawa¹,

Shigehiro Inomata²,

Naohiko Mikami³

et al.

Abstract: The two-photon excitation spectrum of phenanthrene crystal was measured and compared with the corresponding usual one-photon absorption spectrum. It was found that the two-photon spectrum consists of a one-photon like system and a system characteristic of a two-photon process. The vibronic couplings in phenanthrene were discussed on the basis of the observed results.

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Cited by 13 publications

References 15 publications

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Properties of the low-lying electronic states of phenanthrene: Exact PPP results

Chakrabarti

Ramasesha

1996

Int. J. Quantum Chem.

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mWe report properties of the exact low-lying states of phenanthrene, its anion and dianion within the Pariser-Parr-Pople (PPP) model. The experimentally known singlet states of the neutral molecule are well reproduced by the model. The intensities for one and two photon absorption to various singlet states are also in good agreement with experiment. From the bond orders of these states, we predict the equilibrium geometries. The relaxation energies of these states, computed from charge-charge correlations and bond orders, are presented. We also present results of ring current calculations in the singlet ground state of phenanthrene. We have also reported energies, spin densities, bond orders, and relaxation energies of several triplet states and compared them with experiments as well as with other calculations, where available. The fine structure constants D and E , computed in the lowest triplet state, compare well with those obtained from experiments. These properties are also presented for the anions and the dianions. The PPP model in these cases predicts a low-energy ( < 1 eV) dipole excitation.

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Properties of the low-lying electronic states of phenanthrene: Exact PPP results

Chakrabarti

Ramasesha

1996

Int. J. Quantum Chem.

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Application of non-photochemical hole burning to the two-photon spectroscopy of impurity molecules in low temperature glasses

Edelson

Hayes

Small

1979

Chemical Physics Letters

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A study of excited state molecular vibrations of aromatic hydrocarbons

Ohno

1979

Chemical Physics Letters

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The Two-Photon Excitation Spectrum of Phenanthrene Crystal

Cited by 13 publications

References 15 publications

Properties of the low-lying electronic states of phenanthrene: Exact PPP results

Properties of the low-lying electronic states of phenanthrene: Exact PPP results

Application of non-photochemical hole burning to the two-photon spectroscopy of impurity molecules in low temperature glasses

A study of excited state molecular vibrations of aromatic hydrocarbons

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