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Digitale Medien

Vibrational and Rotational Spectroscopy of 13CD3OD (1999)

Viscovini, R. C. ; Cruz, F. C. ; Moraes, J. C. S. ; [weitere]

Springer

International journal of infrared and millimeter waves 20 (1999), S. 193-201

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ISSN: 1572-9559

Schlagwort(e): Lasers ; Assignments ; 13CD3OD

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract We have used Fourier Transform spectral data on the C-O stretching mode of 13CD3OD in order to perform a vibro-rotational analysis for this molecule. We have estimated a few molecular parameters of the ground and C-O stretching vibrational modes. Based on these parameters, and by using the Kwan-Dennison model, we propose assignments for a number of far-infrared laser transitions of 13CD3OD.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1023/A:1021759502665

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Digitale Medien

Infrared optoacoustic spectroscopy of13CD3OD around the 10R and 10P CO2 laser lines (1996)

Viscovini, R. C. ; Scalabrin, A. ; Pereira, D.

Springer

International journal of infrared and millimeter waves 17 (1996), S. 1821-1838

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ISSN: 1572-9559

Schlagwort(e): Optoacoustic spectroscopy ; FIR lasers ; Methanol isotopes ; FAPESP ; CNPq ; FBB ; FAEP - Brasil

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract In this work we present the results of an investigation about Doppler limited infrared absorbing transitions of the C-O stretching vibrational mode of13CD3OD by means of optoacoustic detection. This technique is an alternative, more sensitive and of higher resolution than the Fourier transform spectroscopy which is applied to this methanol isotopomer, due to the contamination problem associated with the fast exchange of OD by OH in the molecule. Using a waveguide CO2 laser of 290 MHz tunability on each line we were able to observe 69 absorptions, most of then of large offset. The data will be useful in theoretical analysis of this sample, as well as a guide in the search for new FIR laser lines.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF02069457

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Electric field effects on roto-vibrational transitions of13CD3OH1 (1995)

Telles, E. M. ; Moraes, J. C. S. ; Scalabrin, A. ; [weitere]

Springer

International journal of infrared and millimeter waves 16 (1995), S. 2233-2248

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ISSN: 1572-9559

Schlagwort(e): Stark spectroscopy ; Far Infrared laser ; methanol

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract We used a Stark-Optoacoustic cell and hybrid waveguide resonators to perform an Infrared and Far Infrared Stark Spectroscopy study on some transitions of13CD3OH. Different behaviours of the transitions in the presence of a d.c. electric field were observed. The Stark splittings of six FIR laser lines ranging from 34 to 136 MHz/kVcm−1 were determined. The analysis of the behaviour of the IR and FIR transitions in the presence of the external electric fields gives important and exclusive information on the levels involved in the transitions.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF02073424

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