Comparison of core-hole excitation spectra of organic donor/acceptor molecules in the vapor and condensed phases: p-nitroaniline, 2-amino-6-nitronaphthalene and 1-amino-4-nitronaphthalene

URN to cite this document:

urn:nbn:de:bvb:355-epub-55483 Copy

DOI to cite this document:

10.5283/epub.5548 Copy

Freund, H. J. ; Slaughter, A. R. ; Ballina, S. M. ; Banna, M. S. ; Bigelow, R. W. ; Dick, Bernhard ; Lex, J. ; Deger, H. M.

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Date of publication of this fulltext: 05 Aug 2009 13:50

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Details

Item type:	Article
Journal or Publication Title:	Journal of Chemical Physics
Publisher:	American Institute of Physics (AIP)
Volume:	81
Number of Issue or Book Chapter:	6
Page Range:	pp. 2535-2555
Date:	1984
Additional Information (public):	CAN 101:180468 73-6 Optical, Electron, and Mass Spectroscopy and Other Related Properties 3230-35-1 Role: PRP (Properties) (XPS of vapor and solid state and crystal structure of); 100-01-6 Role: PRP (Properties) (XPS of, in vapor and solid state); 776-34-1 Role: PRP (Properties) (XPS of, vapor and solid state)
Institutions:	Chemistry and Pharmacy > Institut für Physikalische und Theoretische Chemie > Chair of Chemistry III - Physical Chemistry (Molecular Spectroscopy and Photochemistry) > Prof. Dr. Bernhard Dick
Identification Number:	Value Type 1984:580468 Other 10.1063/1.447987 DOI
Keywords:	Crystal structure; Molecular structure (of aminonitronaphthalene); Photoelectric emission (x-ray, of aminonitronaphthalene isomers); XPS org donor acceptor mol; photoelectron org donor acceptor mol; naphthalene amino nitro XPS; aniline nitro XPS
Dewey Decimal Classification:	500 Science > 540 Chemistry & allied sciences
Status:	Published
Refereed:	Yes, this version has been refereed
Created at the University of Regensburg:	No
Item ID:	5548

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Abstract

Vapor phase N1s and O1s core-hole spectra of the org. donor/acceptor mols. 2-amino-6-nitronaphthalene (2,6-ANN) and 1-amino-4-nitronaphthalene (1,4-ANN) are presented and compared to condensed phase results. 2,6-ANN and 1,4-ANN exhibit broad single peak N1s(NO2) signals in the gas phase which are split into resolvable components in the solid. The spectral differences noted on going from the vapor ...

Abstract

Vapor phase N1s and O1s core-hole spectra of the org. donor/acceptor mols. 2-amino-6-nitronaphthalene (2,6-ANN) and 1-amino-4-nitronaphthalene (1,4-ANN) are presented and compared to condensed phase results. 2,6-ANN and 1,4-ANN exhibit broad single peak N1s(NO2) signals in the gas phase which are split into resolvable components in the solid. The spectral differences noted on going from the vapor phase to the solid parallel previous results on p-nitroaniline (PNA). Unlike the situation encountered in PNA (and 2,6-ANN), however, O1s(NO2) spectrum of 1,4-ANN also indicates a moderately increased splitting as well as an apparent decrease in shake-up intensity on going from the vapor to the condensed phase. Spectral differences between the 2 phases are addressed within the CNDO/S(CI) equiv.-core approxn. including up to doubly excited singlet-coupled configurations as a means of elucidating the apparent core-hole induced intermol. coupling. Comparison computations are presented on PNA, 2,6-ANN, and 1,4-ANN. X-ray crystallog. measurements on 2,6-ANN indicate an intermol. donor/acceptor pairing scheme as in PNA. Dimer models were used to computationally address solid state interactions. The N1s(NO2) spectral differences obsd. in PNA, 2,6-ANN, and 1,4-ANN on going from the vapor to the condensed phase are attributed to strong core-hole induced intermol. orbital mixing.

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