Abstract

The emission spectrum of mercury hydride has been photographed in the second and third orders of a 21-ft concave grating in the region 2930–4550 Å. The light source was an electrodeless discharge tube containing a drop of mercury in an atmosphere of hydrogen and argon. Twenty-six bands of the A-X system and four bands of the B-X system have been analyzed, most of them to their predissociation limits. A table of these bands and a vibrational energy-level diagram are given. The behavior of the lambda-type doubling in the 2Π state for which the electronic coupling is Hund’s case a is compared with the theoretical prediction.

© 1962 Optical Society of America

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References

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  1. “Transactions of the Triple Commission for Spectroscopy,” J. Opt. Soc. Am. 52, 476 (1962).
  2. J. M. Eder and E. Valenta, Denkschr. Wien Akad. 61, 401 (1894).
  3. E. Hulthén, Z. Physik 32, 32 (1925).
    [Crossref]
  4. E. Hulthén, Z. Physik 50, 319 (1928).
    [Crossref]
  5. R. Rydberg, Z. Physik 73, 74 (1931).
    [Crossref]
  6. Y. Fujioka and Y. Tanaka, Sci. Papers Inst. Phys. Chem. Research (Tokyo) 34, 713 (1938).
  7. G. Herzberg, Molecular Spectra and Molecular Structure, Spectra of Diatomic Molecules (D. Van Nostrand Company, Inc., Princeton, New Jersey, 1950), 2nd ed., Vol. I.
  8. W. F. Meggers and R. W. Stanley, J. Research Natl. Bur. Standards 61, 95 (1958).
    [Crossref]
  9. F. S. Tompkins and M. Fred, J. phys. radium 19, 409 (1958).
    [Crossref]
  10. F. S. Tompkins and M. Fred, J. Opt. Soc. Am. 41, 641 (1951).
    [Crossref]
  11. See reference 7, pp. 413, 427.
  12. See reference 7, p. 226.
  13. R. S. Mulliken and A. Christy, Phys. Rev. 38, 87 (1931).
    [Crossref]

1962 (1)

1958 (2)

W. F. Meggers and R. W. Stanley, J. Research Natl. Bur. Standards 61, 95 (1958).
[Crossref]

F. S. Tompkins and M. Fred, J. phys. radium 19, 409 (1958).
[Crossref]

1951 (1)

1938 (1)

Y. Fujioka and Y. Tanaka, Sci. Papers Inst. Phys. Chem. Research (Tokyo) 34, 713 (1938).

1931 (2)

R. Rydberg, Z. Physik 73, 74 (1931).
[Crossref]

R. S. Mulliken and A. Christy, Phys. Rev. 38, 87 (1931).
[Crossref]

1928 (1)

E. Hulthén, Z. Physik 50, 319 (1928).
[Crossref]

1925 (1)

E. Hulthén, Z. Physik 32, 32 (1925).
[Crossref]

1894 (1)

J. M. Eder and E. Valenta, Denkschr. Wien Akad. 61, 401 (1894).

Christy, A.

R. S. Mulliken and A. Christy, Phys. Rev. 38, 87 (1931).
[Crossref]

Eder, J. M.

J. M. Eder and E. Valenta, Denkschr. Wien Akad. 61, 401 (1894).

Fred, M.

F. S. Tompkins and M. Fred, J. phys. radium 19, 409 (1958).
[Crossref]

F. S. Tompkins and M. Fred, J. Opt. Soc. Am. 41, 641 (1951).
[Crossref]

Fujioka, Y.

Y. Fujioka and Y. Tanaka, Sci. Papers Inst. Phys. Chem. Research (Tokyo) 34, 713 (1938).

Herzberg, G.

G. Herzberg, Molecular Spectra and Molecular Structure, Spectra of Diatomic Molecules (D. Van Nostrand Company, Inc., Princeton, New Jersey, 1950), 2nd ed., Vol. I.

Hulthén, E.

E. Hulthén, Z. Physik 50, 319 (1928).
[Crossref]

E. Hulthén, Z. Physik 32, 32 (1925).
[Crossref]

Meggers, W. F.

W. F. Meggers and R. W. Stanley, J. Research Natl. Bur. Standards 61, 95 (1958).
[Crossref]

Mulliken, R. S.

R. S. Mulliken and A. Christy, Phys. Rev. 38, 87 (1931).
[Crossref]

Rydberg, R.

R. Rydberg, Z. Physik 73, 74 (1931).
[Crossref]

Stanley, R. W.

W. F. Meggers and R. W. Stanley, J. Research Natl. Bur. Standards 61, 95 (1958).
[Crossref]

Tanaka, Y.

Y. Fujioka and Y. Tanaka, Sci. Papers Inst. Phys. Chem. Research (Tokyo) 34, 713 (1938).

Tompkins, F. S.

F. S. Tompkins and M. Fred, J. phys. radium 19, 409 (1958).
[Crossref]

F. S. Tompkins and M. Fred, J. Opt. Soc. Am. 41, 641 (1951).
[Crossref]

Valenta, E.

J. M. Eder and E. Valenta, Denkschr. Wien Akad. 61, 401 (1894).

Denkschr. Wien Akad. (1)

J. M. Eder and E. Valenta, Denkschr. Wien Akad. 61, 401 (1894).

J. Opt. Soc. Am. (2)

J. phys. radium (1)

F. S. Tompkins and M. Fred, J. phys. radium 19, 409 (1958).
[Crossref]

J. Research Natl. Bur. Standards (1)

W. F. Meggers and R. W. Stanley, J. Research Natl. Bur. Standards 61, 95 (1958).
[Crossref]

Phys. Rev. (1)

R. S. Mulliken and A. Christy, Phys. Rev. 38, 87 (1931).
[Crossref]

Sci. Papers Inst. Phys. Chem. Research (Tokyo) (1)

Y. Fujioka and Y. Tanaka, Sci. Papers Inst. Phys. Chem. Research (Tokyo) 34, 713 (1938).

Z. Physik (3)

E. Hulthén, Z. Physik 32, 32 (1925).
[Crossref]

E. Hulthén, Z. Physik 50, 319 (1928).
[Crossref]

R. Rydberg, Z. Physik 73, 74 (1931).
[Crossref]

Other (3)

G. Herzberg, Molecular Spectra and Molecular Structure, Spectra of Diatomic Molecules (D. Van Nostrand Company, Inc., Princeton, New Jersey, 1950), 2nd ed., Vol. I.

See reference 7, pp. 413, 427.

See reference 7, p. 226.

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Figures (2)

Fig. 1
Fig. 1

Vibrational energy levels of mercury hydride.

Fig. 2
Fig. 2

Rotational predissociation in the Π 2 1 2 - Σ 2 + 0–2 band of mercury hydride.

Tables (2)

Tables Icon

Table I Emission bands of mercury hydride.

Tables Icon

Table II Lambda-type doubling for the A 1 Π 2 1 2 state of mercury hydride: The limiting value of a = Δ σ c d ( j ) / ( J + 1 2 ) at J=0.

Equations (3)

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Δ σ c d ( j ) = a ( J + 1 2 ) ,
Δ σ c d ( j + 1 ) - Δ σ c d ( j )
Δ σ d c ~ J 3 ,