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(2H3)ammonia

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Phase change data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Thermodynamics Research Center, NIST Boulder Laboratories, Kenneth Kroenlein director

Quantity Value Units Method Reference Comment
Tfus199.KN/ATaylor and Jungers, 1933Uncertainty assigned by TRC = 0.5 K

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Vibrational and/or electronic energy levels

Go To: Top, Phase change data, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Takehiko Shimanouchi

Symmetry:   C3nu     Symmetry Number sigma = 3


 Sym.   No   Approximate   Selected Freq.  Infrared   Raman   Comments 
 Species   type of mode   Value   Rating   Value  Phase  Value  Phase

a1 1 Sym str 2420  C 2420.1 gas symmetric level (- )FR(2«nu»4)
a1 1 Sym str 2420  C 2420.6 gas antisymmetric level (- )FR(2«nu»4)
a1 2 Sym deform 748  B 745.7 gas symmetric level
a1 2 Sym deform 748  B 749.4 gas antisymmetric level
e 3 Deg str 2564  A 2564 gas
e 4 Deg deform 1191  B 1191 gas

Source: Shimanouchi, 1972

Notes

FRFermi resonance with an overtone or a combination tone indicated in the parentheses.
A0~1 cm-1 uncertainty
B1~3 cm-1 uncertainty
C3~6 cm-1 uncertainty

References

Go To: Top, Phase change data, Vibrational and/or electronic energy levels, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Taylor and Jungers, 1933
Taylor, H.S.; Jungers, J.C., The Deuteroammonias, J. Am. Chem. Soc., 1933, 55, 5057-8. [all data]

Shimanouchi, 1972
Shimanouchi, T., Tables of Molecular Vibrational Frequencies Consolidated Volume I, National Bureau of Standards, 1972, 1-160. [all data]


Notes

Go To: Top, Phase change data, Vibrational and/or electronic energy levels, References