Abstract

Contours are calculated for the pairs of H35Cl and H37Cl rotation lines for a range of spectral slitwidths between 0.10 cm−1 and 3.0 cm−1. The peak positions are compared with the frequencies of the H35Cl lines with a view to predicting the displacement of each peak due to overlap of the H37Cl lines. Experimental measurements of the J = 12 and 13 lines show that the predictions are correct. It is suggested that the calculated peaks be used as calibration data for instruments, although it is pointed out that if the wavenumber error of the instrument exceeds one-twentieth of the spectral slitwidth, the displacements can be ignored.

© 1971 Optical Society of America

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References

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  1. E. K. Plyler, E. G. Tidwell, Z. Electrochem. 64, 717 (1960).
  2. H. Babrov, G. Ameer, W. Beresch, J. Chem. Phys. 33, 145 (1960).
    [CrossRef]
  3. K. S. Seshadri, R. N. Jones, Spectrochim. Acta 19, 1013 (1963).
    [CrossRef]
  4. A. R. H. Cole, A. A. Green, G. A. Osborne, G. D. ReeceAppl. Opt. 9, 23 (1970).
    [CrossRef] [PubMed]
  5. R. T. Hall, J. M. Dowling, J. Chem. Phys. 52, 1161 (1970).
    [CrossRef]
  6. R. C. Lord, MIT; private communication (to be published soon).
  7. A. Savitsky, M. J. E. Golay, Anal. Chem. 36, 1627 (1964).
    [CrossRef]

1970 (2)

1964 (1)

A. Savitsky, M. J. E. Golay, Anal. Chem. 36, 1627 (1964).
[CrossRef]

1963 (1)

K. S. Seshadri, R. N. Jones, Spectrochim. Acta 19, 1013 (1963).
[CrossRef]

1960 (2)

E. K. Plyler, E. G. Tidwell, Z. Electrochem. 64, 717 (1960).

H. Babrov, G. Ameer, W. Beresch, J. Chem. Phys. 33, 145 (1960).
[CrossRef]

Ameer, G.

H. Babrov, G. Ameer, W. Beresch, J. Chem. Phys. 33, 145 (1960).
[CrossRef]

Babrov, H.

H. Babrov, G. Ameer, W. Beresch, J. Chem. Phys. 33, 145 (1960).
[CrossRef]

Beresch, W.

H. Babrov, G. Ameer, W. Beresch, J. Chem. Phys. 33, 145 (1960).
[CrossRef]

Cole, A. R. H.

Dowling, J. M.

R. T. Hall, J. M. Dowling, J. Chem. Phys. 52, 1161 (1970).
[CrossRef]

Golay, M. J. E.

A. Savitsky, M. J. E. Golay, Anal. Chem. 36, 1627 (1964).
[CrossRef]

Green, A. A.

Hall, R. T.

R. T. Hall, J. M. Dowling, J. Chem. Phys. 52, 1161 (1970).
[CrossRef]

Jones, R. N.

K. S. Seshadri, R. N. Jones, Spectrochim. Acta 19, 1013 (1963).
[CrossRef]

Lord, R. C.

R. C. Lord, MIT; private communication (to be published soon).

Osborne, G. A.

Plyler, E. K.

E. K. Plyler, E. G. Tidwell, Z. Electrochem. 64, 717 (1960).

Reece, G. D.

Savitsky, A.

A. Savitsky, M. J. E. Golay, Anal. Chem. 36, 1627 (1964).
[CrossRef]

Seshadri, K. S.

K. S. Seshadri, R. N. Jones, Spectrochim. Acta 19, 1013 (1963).
[CrossRef]

Tidwell, E. G.

E. K. Plyler, E. G. Tidwell, Z. Electrochem. 64, 717 (1960).

Anal. Chem. (1)

A. Savitsky, M. J. E. Golay, Anal. Chem. 36, 1627 (1964).
[CrossRef]

Appl. Opt. (1)

J. Chem. Phys. (2)

H. Babrov, G. Ameer, W. Beresch, J. Chem. Phys. 33, 145 (1960).
[CrossRef]

R. T. Hall, J. M. Dowling, J. Chem. Phys. 52, 1161 (1970).
[CrossRef]

Spectrochim. Acta (1)

K. S. Seshadri, R. N. Jones, Spectrochim. Acta 19, 1013 (1963).
[CrossRef]

Z. Electrochem. (1)

E. K. Plyler, E. G. Tidwell, Z. Electrochem. 64, 717 (1960).

Other (1)

R. C. Lord, MIT; private communication (to be published soon).

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Figures (1)

Fig. 1
Fig. 1

Contours of the J″ = 12 peak for various spectral slit widths. Abscissa units cm−1. The arrow represents the position of the H35Cl line, the broken line represents the calculated contour, and the solid line the experimental contour.

Tables (2)

Tables Icon

Table I Calculated Peak Contour Positions and Displacements from H35Cl Line Frequencies (cm−1)

Tables Icon

Table II Comparison of Calculated and Observed Peak Contour Positions (cm−1)

Equations (2)

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Δ ν r = 3.1695 × 10 - 2 ( J × 1 ) - 3.204 × 10 - 6 ( J + 1 ) 3 ,
I ν = Σ i ( I ν i { b 2 / [ b 2 + ( ν - ν i ) 2 ] } ) ,

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