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Absorption Spectra of the Samarium Ion in Solids. II. Conglomerate Absorption of SmCl3·6H2O and a Partial Energy Level Diagram of the Sm+++ Ion as It Exists in Crystalline SmCl3·6H2O

Frank H. Spedding* and Richard S. Bear

  • Chemical Laboratory, University of California

  • *National Research Fellow in Chemistry at the University of California.
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Phys. Rev. 42, 76 – Published 1 October, 1932

DOI: https://doi.org/10.1103/PhysRev.42.76

Abstract

Additional lines of the SmCl3·6H2O absorption spectrum obtained from conglomerates of crystal fragments are reported for four temperatures between 20° and 300°K. These new lines, along with ones previously reported for single-crystal absorption, are used to establish the existence of excited lower levels situated at 145, 160, 204, 217, and roughly 300 cm−1 above the basic level. It is probable that there are other levels more than 400 cm−1 above the basic one. Two components of the 300 level, at 295 and 315 cm−1, are thought to be present, and there are indications that the other levels, particularly the basic one, may be complex.

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See Also

Absorption Spectra of the Samarium Ion in Solids. I. Absorption by Large Single Crystals of SmCl3·6H2O

Frank H. Spedding and Richard S. Bear
Phys. Rev. 42, 58 (1932)

Absorption Spectra of the Samarium Ion in Solids. V. The Absorption Spectrum and Energy Levels of the Sm+++ Ion as It Exists in Monoclinic Crystals of Sm2(SO4)3 · 8H2O

Frank H. Spedding and Richard S. Bear
Phys. Rev. 46, 975 (1934)

References (6)

  1. Spedding and Bear, Phys. Rev. 39, 948 (1932)
  2. Spedding and Bear, Phys. Rev. 41, 58 (1932)
  3. Spedding, unpublished work (J. Becquerel, Gedenboek H. Kammerlingh Onnes, Leiden, 1922)
  4. Hund, Zeits. f. Physik 33, 855 (1925)
  5. Kramers, Proc. Amst. Acad. 32, 1176 (1929) Bethe, Ann. d. Physik 3, 133 (1929)
  6. Spedding, J. Am. Chem. Soc. 54, 2593 (1932)

Outline

Information

Phys. Rev. 42, 76– Published 1 October, 1932
  • Received 22 July 1932

© 1932 American Physical Society

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