yttrium dicarbide

Gas phase ion energetics 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 as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

IE (eV) Method Reference Comment
6.0 ± 1.0EIHaque and Gingerich, 1979LLK
6.7 ± 0.3EIKohl and Stearns, 1970RDSH
6.8 ± 0.3EIDeMaria, Guido, et al., 1965RDSH

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
YC+14. ± 1.CEIKohl and Stearns, 1970RDSH
YC+13.4 ± 0.5CEIDeMaria, Guido, et al., 1965RDSH

Vibrational and/or electronic energy levels

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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: Marilyn E. Jacox

State:   A
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 12889.92 gas A-X 725 950 Steimle, Marr, et al., 1997
Steimle, Bousquet, et al., 2002
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
2 CY s-stretch 494.5 ± 5.0 gas LF Steimle, Marr, et al., 1997
3 CY a-stretch 331.6 ± 2.2 gas LF Steimle, Marr, et al., 1997

State:   X

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a1 2 CY s-stretch 561.1 ± 2.8 gas LF Steimle, Marr, et al., 1997
b2 3 CY a-stretch 369.6 ± 1.7 gas LF Steimle, Marr, et al., 1997

Additional references: Jacox, 1998, page 164

Notes

oEnergy separation between the v = 0 levels of the excited and electronic ground states.

References

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

Haque and Gingerich, 1979
Haque, R.; Gingerich, K.A., Investigation of the thermodynamic stabilities of the gaseous molecules RhScC, RhScC2 RhYC2 by Knudsen effusion mass spectrometry, J. Chem. Soc. Faraday Trans. 2, 1979, 985. [all data]

Kohl and Stearns, 1970
Kohl, F.J.; Stearns, C.A., Vaporization thermodynamics of yttrium dicarbide-carbon system and dissociation energy of yttrium dicarbide and tetracarbide, J. Chem. Phys., 1970, 52, 6310. [all data]

DeMaria, Guido, et al., 1965
DeMaria, G.; Guido, M.; Malaspina, L.; Pesce, B., Mass-spectrometric study of the yttrium-carbon system, J. Chem. Phys., 1965, 43, 4449. [all data]

Steimle, Marr, et al., 1997
Steimle, T.C.; Marr, A.J.; Xin, J.; Merer, A.J.; Athanassenas, K.; Gillett, D., Optical detection of yttrium dicarbide, a "T-shaped" molecule, J. Chem. Phys., 1997, 106, 6, 2060, https://doi.org/10.1063/1.473343 . [all data]

Steimle, Bousquet, et al., 2002
Steimle, T.C.; Bousquet, R.R.; Namiki, K.C.; Merer, A.J., Rotational Analysis of the Ã2A1--X2A1 Band System of Yttrium Dicarbide, YC2, J. Mol. Spectrosc., 2002, 215, 1, 10, https://doi.org/10.1006/jmsp.2002.8580 . [all data]

Jacox, 1998
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules: supplement A, J. Phys. Chem. Ref. Data, 1998, 27, 2, 115-393, https://doi.org/10.1063/1.556017 . [all data]

Notes

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