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 <i>A-X</i> system and four bands of the <i>B-X</i> 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 <sup>2</sup>II state for which the electronic coupling is Hund’s case α is compared with the theoretical prediction.

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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).
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  5. R. Rydberg, Z. Physik 73, 74 (1931).
  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).
  9. F. S. Tompkins and M. Fred, J. phys. radium 19, 409 (1958).
  10. F. S. Tompkins and M. Fred, J. Opt. Soc. Am. 41, 641 (1951).
  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).

Christy, A.

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

Eder, J. M.

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

Fred, M.

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

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

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 32, 32 (1925).

E. Hulthén, Z. Physik 50, 319 (1928).

Meggers, W. F.

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

Mulliken, R. S.

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

Rydberg, R.

R. Rydberg, Z. Physik 73, 74 (1931).

Stanley, R. W.

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

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. Opt. Soc. Am. 41, 641 (1951).

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

Valenta, E.

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

Other (13)

"Transactions of the Triple Commission for Spectroscopy," J. Opt. Soc. Am. 52, 476 (1962).

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

E. Hulthén, Z. Physik 32, 32 (1925).

E. Hulthén, Z. Physik 50, 319 (1928).

R. Rydberg, Z. Physik 73, 74 (1931).

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

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

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

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

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

See reference 7, pp. 413, 427.

See reference 7, p. 226.

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

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