Abstract

<p>Experimental details for the taking of infrared absorption spectra of thin solid layers at various temperatures are given and a method described for measurement of their thickness. An account of the preparation of suitable samples for reflection spectra is also included.</p><p>The spectra of the four ammonium halides at 20°C and -150°C have been obtained and the results interpreted in terms of their crystal structure. The data support the following symmetries for the ammonium ion in the low temperature form: (I) T<sub><i>d</i></sub> in ammonium chloride, (II) V<sub><i>d</i></sub> in ammonium bromide, (III) V<sub><i>d</i></sub> in ammonium iodide, and (IV) C<sub>3<i>v</i></sub> or C<sub>3</sub> in ammonium fluoride.</p>

PDF Article

References

  • View by:
  • |
  • |

  1. R. S. Krishnan, Proc. Indian Acad. Sci. 26A, 432 (1947).
  2. R. S. Krishnan, Proc. Indian Acad. Sci. 27A, 321 (1948).
  3. E. L. Wagner and D. F. Hornig, J. Chem. Phys. 18, 296 (1950).
  4. E. L. Wagner and D. F. Hornig, J. Chem. Phys. 18, 305 (1950).
  5. R. S. Halford, J. Chem. Phys. 14, 8 (1946).
  6. G. Placzek, The Structure of Molecules (Blackie and Son, Ltd., London, 1932), p. 65.
  7. C. J. Brester, Z. Physik 24, 324 (1924).
  8. P. Niggli, Geometrische Kristallographie des Diskontinuums (Gebrueder Bornstraeger, Leipzig, 1919), pp. 404–411.
  9. S. Bhagavantam and T. Venkatarayudu, Proc. Indian Acad. Sci. 9A, 224 (1939).
  10. L. Couture and J. P. Mathieu, J. phys. et radium 10, 145 (1949).
  11. M. Born and M. Bradburn, Proc. Roy. Soc. (London) 188A, 161 (1947).
  12. H. M. J. Smith, Trans. Roy. Soc. (London) 241A, 105 (1948).
  13. D. F. Hornig, J. Chem. Phys. 16, 1063 (1948).
  14. L. F. H. Bovey, J. Opt. Soc. Am. 41, 381 (1951).
  15. O. Reinkober, Z. Physik. 5, 192 (1921).
  16. Conn, Lee, and Sutherland, Proc. Roy. Soc. (London) 176A, 484 (1940).
  17. R. Pohlmann, Z. Physik. 79, 394 (1932).
  18. L. Wilberg, Z. Physik. 64, 304 (1930).
  19. 19 G. Herzberg, Infrared and Raman Spectra (D. Van Nostrand Company, Inc., New York, 1945).
  20. J. P. Mathieu, Spectre de Vibration et Symetrie des Molecules et des Cristaux (Hermann and Company, Paris, 1945).
  21. L. Couture and J. P. Mathieu, Proc. Indian Acad. Sci. 28A, 401 (1948).
  22. Bovey, Lee, Sutherland, in preparation.
  23. L. F. H. Bovey, J. Chem. Phys. 18, 1684 (1950).
  24. R. W. G.-Wyckoff, Crystal Structures (Interscience Publishers, Inc., New York 1948).
  25. R. Ananthakrishnan, Proc. Indian Acad. Sci. 5A, 76 (1937).
  26. A. Smits and C. H. MacGillavry, Z. Physik. Chem. 166A, 97 (1933).
  27. J. A. A. Ketelaar, Nature 134, 250 (1934).
  28. J. Weigle and H. Saini, Helv. Phys. Acta. 9, 515 (1936).
  29. Smits, Ketelaar, and Muller, Z. Physik. Chem. A175, 359 (1936).
  30. Smits, Tollenaar, and Kroger, Z. Physik. Chem. B41, 215 (1938).
  31. G. Bartlett and I. Langmuir, J. Am. Chem. Soc. 43, 84 (1921).
  32. Simon, Simson, and Ruhemann, Z. Physik. Chem. 129, 339 (1927).
  33. A. Smits and G. J. Muller, Z. Physik. Chem. 36B, 140 (1937).
  34. A. C. Menzies and H. R. Mills, Proc. Roy. Soc. (London) 148A, 407 (1935).
  35. W. Zachariasen, Z. Physik. Chem. 127, 218 (1927).
  36. D. J. Williams, Am. Chem. Soc. 64, 857 (1942).
  37. Recent work by Mathieu, Aguirre, and Couture-Mathieu Compt. rend. 232, 318 (1951), on ammonium chloride at -100°C has shown a strong Raman line at 1717 cm-1 (Type E) which would seem to be the fundamental ν2.
  38. J. A. A. Ketelaar, Rec. Trav. Chim. 60, 523 (1941).

Ananthakrishnan, R.

R. Ananthakrishnan, Proc. Indian Acad. Sci. 5A, 76 (1937).

Bartlett, G.

G. Bartlett and I. Langmuir, J. Am. Chem. Soc. 43, 84 (1921).

Bhagavantam, S.

S. Bhagavantam and T. Venkatarayudu, Proc. Indian Acad. Sci. 9A, 224 (1939).

Born, M.

M. Born and M. Bradburn, Proc. Roy. Soc. (London) 188A, 161 (1947).

Bovey, L. F. H.

L. F. H. Bovey, J. Opt. Soc. Am. 41, 381 (1951).

L. F. H. Bovey, J. Chem. Phys. 18, 1684 (1950).

Bradburn, M.

M. Born and M. Bradburn, Proc. Roy. Soc. (London) 188A, 161 (1947).

Brester, C. J.

C. J. Brester, Z. Physik 24, 324 (1924).

Couture, L.

L. Couture and J. P. Mathieu, Proc. Indian Acad. Sci. 28A, 401 (1948).

L. Couture and J. P. Mathieu, J. phys. et radium 10, 145 (1949).

G.-Wyckoff, R. W.

R. W. G.-Wyckoff, Crystal Structures (Interscience Publishers, Inc., New York 1948).

Halford, R. S.

R. S. Halford, J. Chem. Phys. 14, 8 (1946).

Herzberg, G.

19 G. Herzberg, Infrared and Raman Spectra (D. Van Nostrand Company, Inc., New York, 1945).

Hornig, D. F.

E. L. Wagner and D. F. Hornig, J. Chem. Phys. 18, 305 (1950).

D. F. Hornig, J. Chem. Phys. 16, 1063 (1948).

E. L. Wagner and D. F. Hornig, J. Chem. Phys. 18, 296 (1950).

Ketelaar, J. A. A.

J. A. A. Ketelaar, Rec. Trav. Chim. 60, 523 (1941).

J. A. A. Ketelaar, Nature 134, 250 (1934).

Krishnan, R. S.

R. S. Krishnan, Proc. Indian Acad. Sci. 26A, 432 (1947).

R. S. Krishnan, Proc. Indian Acad. Sci. 27A, 321 (1948).

Langmuir, I.

G. Bartlett and I. Langmuir, J. Am. Chem. Soc. 43, 84 (1921).

MacGillavry, C. H.

A. Smits and C. H. MacGillavry, Z. Physik. Chem. 166A, 97 (1933).

Mathieu, J. P.

J. P. Mathieu, Spectre de Vibration et Symetrie des Molecules et des Cristaux (Hermann and Company, Paris, 1945).

L. Couture and J. P. Mathieu, Proc. Indian Acad. Sci. 28A, 401 (1948).

L. Couture and J. P. Mathieu, J. phys. et radium 10, 145 (1949).

Menzies, A. C.

A. C. Menzies and H. R. Mills, Proc. Roy. Soc. (London) 148A, 407 (1935).

Mills, H. R.

A. C. Menzies and H. R. Mills, Proc. Roy. Soc. (London) 148A, 407 (1935).

Muller, G. J.

A. Smits and G. J. Muller, Z. Physik. Chem. 36B, 140 (1937).

Niggli, P.

P. Niggli, Geometrische Kristallographie des Diskontinuums (Gebrueder Bornstraeger, Leipzig, 1919), pp. 404–411.

Placzek, G.

G. Placzek, The Structure of Molecules (Blackie and Son, Ltd., London, 1932), p. 65.

Pohlmann, R.

R. Pohlmann, Z. Physik. 79, 394 (1932).

Reinkober, O.

O. Reinkober, Z. Physik. 5, 192 (1921).

Saini, H.

J. Weigle and H. Saini, Helv. Phys. Acta. 9, 515 (1936).

Smith, H. M. J.

H. M. J. Smith, Trans. Roy. Soc. (London) 241A, 105 (1948).

Smits, A.

A. Smits and G. J. Muller, Z. Physik. Chem. 36B, 140 (1937).

A. Smits and C. H. MacGillavry, Z. Physik. Chem. 166A, 97 (1933).

Venkatarayudu, T.

S. Bhagavantam and T. Venkatarayudu, Proc. Indian Acad. Sci. 9A, 224 (1939).

Wagner, E. L.

E. L. Wagner and D. F. Hornig, J. Chem. Phys. 18, 296 (1950).

E. L. Wagner and D. F. Hornig, J. Chem. Phys. 18, 305 (1950).

Weigle, J.

J. Weigle and H. Saini, Helv. Phys. Acta. 9, 515 (1936).

Wilberg, L.

L. Wilberg, Z. Physik. 64, 304 (1930).

Williams, D. J.

D. J. Williams, Am. Chem. Soc. 64, 857 (1942).

Zachariasen, W.

W. Zachariasen, Z. Physik. Chem. 127, 218 (1927).

Other (38)

R. S. Krishnan, Proc. Indian Acad. Sci. 26A, 432 (1947).

R. S. Krishnan, Proc. Indian Acad. Sci. 27A, 321 (1948).

E. L. Wagner and D. F. Hornig, J. Chem. Phys. 18, 296 (1950).

E. L. Wagner and D. F. Hornig, J. Chem. Phys. 18, 305 (1950).

R. S. Halford, J. Chem. Phys. 14, 8 (1946).

G. Placzek, The Structure of Molecules (Blackie and Son, Ltd., London, 1932), p. 65.

C. J. Brester, Z. Physik 24, 324 (1924).

P. Niggli, Geometrische Kristallographie des Diskontinuums (Gebrueder Bornstraeger, Leipzig, 1919), pp. 404–411.

S. Bhagavantam and T. Venkatarayudu, Proc. Indian Acad. Sci. 9A, 224 (1939).

L. Couture and J. P. Mathieu, J. phys. et radium 10, 145 (1949).

M. Born and M. Bradburn, Proc. Roy. Soc. (London) 188A, 161 (1947).

H. M. J. Smith, Trans. Roy. Soc. (London) 241A, 105 (1948).

D. F. Hornig, J. Chem. Phys. 16, 1063 (1948).

L. F. H. Bovey, J. Opt. Soc. Am. 41, 381 (1951).

O. Reinkober, Z. Physik. 5, 192 (1921).

Conn, Lee, and Sutherland, Proc. Roy. Soc. (London) 176A, 484 (1940).

R. Pohlmann, Z. Physik. 79, 394 (1932).

L. Wilberg, Z. Physik. 64, 304 (1930).

19 G. Herzberg, Infrared and Raman Spectra (D. Van Nostrand Company, Inc., New York, 1945).

J. P. Mathieu, Spectre de Vibration et Symetrie des Molecules et des Cristaux (Hermann and Company, Paris, 1945).

L. Couture and J. P. Mathieu, Proc. Indian Acad. Sci. 28A, 401 (1948).

Bovey, Lee, Sutherland, in preparation.

L. F. H. Bovey, J. Chem. Phys. 18, 1684 (1950).

R. W. G.-Wyckoff, Crystal Structures (Interscience Publishers, Inc., New York 1948).

R. Ananthakrishnan, Proc. Indian Acad. Sci. 5A, 76 (1937).

A. Smits and C. H. MacGillavry, Z. Physik. Chem. 166A, 97 (1933).

J. A. A. Ketelaar, Nature 134, 250 (1934).

J. Weigle and H. Saini, Helv. Phys. Acta. 9, 515 (1936).

Smits, Ketelaar, and Muller, Z. Physik. Chem. A175, 359 (1936).

Smits, Tollenaar, and Kroger, Z. Physik. Chem. B41, 215 (1938).

G. Bartlett and I. Langmuir, J. Am. Chem. Soc. 43, 84 (1921).

Simon, Simson, and Ruhemann, Z. Physik. Chem. 129, 339 (1927).

A. Smits and G. J. Muller, Z. Physik. Chem. 36B, 140 (1937).

A. C. Menzies and H. R. Mills, Proc. Roy. Soc. (London) 148A, 407 (1935).

W. Zachariasen, Z. Physik. Chem. 127, 218 (1927).

D. J. Williams, Am. Chem. Soc. 64, 857 (1942).

Recent work by Mathieu, Aguirre, and Couture-Mathieu Compt. rend. 232, 318 (1951), on ammonium chloride at -100°C has shown a strong Raman line at 1717 cm-1 (Type E) which would seem to be the fundamental ν2.

J. A. A. Ketelaar, Rec. Trav. Chim. 60, 523 (1941).

Cited By

OSA participates in CrossRef's Cited-By Linking service. Citing articles from OSA journals and other participating publishers are listed here.

Alert me when this article is cited.