CdCH3
- Formula: CH3Cd
- Molecular weight: 127.446
- CAS Registry Number: 42217-97-0
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Gas phase thermochemistry data
Go To: Top, Vibrational and/or electronic energy levels, 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: José A. Martinho Simões
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | 49.9 ± 4.0 | kcal/mol | Review | Martinho Simões | The enthalpy of formation relies on 25.05 ± 0.31 kcal/mol for the enthalpy of formation of Cd(Me)2(g). |
ΔfH°gas | 48.0 to 50.9 | kcal/mol | Review | Martinho Simões | The enthalpy of formation limits rely on 25.05 ± 0.31 kcal/mol for the enthalpy of formation of Cd(Me)2(g). |
ΔfH°gas | 45.9 ± 1.6 | kcal/mol | Review | Martinho Simões | The enthalpy of formation relies on 25.05 ± 0.31 kcal/mol for the enthalpy of formation of Cd(Me)2(g). |
Vibrational and/or electronic energy levels
Go To: Top, Gas phase thermochemistry 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: Marilyn E. Jacox
State: C
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
To = 34916 | gas | B-X | 264 | 287 | Young, Gosavi, et al., 1973 | ||
Ellis, Robles, et al., 1992 | |||||||
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
a1 | 2 | CH3 deform. | 960 | T | gas | AB | Young, Gosavi, et al., 1973 |
State: A
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
To = 22514 | gas | A-X | 400 | 458 | Young, Gosavi, et al., 1973 | ||
Yu, Youngs, et al., 1986 | |||||||
Suto, Ye, et al., 1988 | |||||||
Ibuki, Hiraya, et al., 1990 | |||||||
Penner, Amirav, et al., 1991 | |||||||
Robles, Ellis, et al., 1991 | |||||||
Ellis, Robles, et al., 1992 | |||||||
Cerny, Tan, et al., 1993 | |||||||
Tan, Cerny, et al., 1994 | |||||||
Panov, Powers, et al., 1998 | |||||||
Pushkarsky, Barckholtz, et al., 1999 | |||||||
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
a1 | 2 | CH3 deform. | 1019 ± 3 | gas | LF | Ellis, Robles, et al., 1992 Cerny, Tan, et al., 1993 Panov, Powers, et al., 1998 Pushkarsky, Barckholtz, et al., 1999 | |
3 | CdC stretch | 400 ± 3 | gas | LF | Robles, Ellis, et al., 1991 Ellis, Robles, et al., 1992 Cerny, Tan, et al., 1993 Panov, Powers, et al., 1998 Pushkarsky, Barckholtz, et al., 1999 | ||
e | 6 | Deformation | 638 ± 2 | gas | MPI FD | Panov, Powers, et al., 1998 Pushkarsky, Barckholtz, et al., 1999 | |
State: X
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
a1 | 2 | CH3 deform. | 1000 ± 3 | gas | EM LF | Penner, Amirav, et al., 1991 Robles, Ellis, et al., 1991 Ellis, Robles, et al., 1992 | |
3 | CdC stretch | 355 ± 3 | gas | EM LF | Penner, Amirav, et al., 1991 Robles, Ellis, et al., 1991 Ellis, Robles, et al., 1992 | ||
Additional references: Jacox, 1994, page 231; Jacox, 1998, page 268; Jacox, 2003, page 250
Notes
T | Tentative assignment or approximate value |
o | Energy separation between the v = 0 levels of the excited and electronic ground states. |
References
Go To: Top, Gas phase thermochemistry 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.
Martinho Simões
Martinho Simões, J.A.,
Private communication (see http://webbook.nist.gov/chemistry/om/). [all data]
Young, Gosavi, et al., 1973
Young, P.J.; Gosavi, R.K.; Connor, J.; Strausz, O.P.; Gunning, H.E.,
Ultraviolet absorption spectra of CdCH3, ZnCH3, and TeCH3,
J. Chem. Phys., 1973, 58, 12, 5280, https://doi.org/10.1063/1.1679141
. [all data]
Ellis, Robles, et al., 1992
Ellis, A.M.; Robles, E.S.J.; Miller, T.A.,
Dispersed fluorescence spectroscopy and fluorescence lifetime measurements of excited vibrational levels of CdCH3,
Chem. Phys. Lett., 1992, 190, 6, 599, https://doi.org/10.1016/0009-2614(92)85196-H
. [all data]
Yu, Youngs, et al., 1986
Yu, C.F.; Youngs, F.; Tsukiyama, K.; Bersohn, R.; Preses, J.,
Photodissociation dynamics of cadmium and zinc dimethyl,
J. Chem. Phys., 1986, 85, 3, 1382, https://doi.org/10.1063/1.451226
. [all data]
Suto, Ye, et al., 1988
Suto, M.; Ye, C.; Lee, L.C.,
Quantitative absorption and fluorescence spectroscopy of Cd(CH3)2 in vacuum ultraviolet,
J. Chem. Phys., 1988, 89, 1, 160, https://doi.org/10.1063/1.455499
. [all data]
Ibuki, Hiraya, et al., 1990
Ibuki, T.; Hiraya, A.; Shobatake, K.,
Photoexcitation of M(CH3)2 (M=Zn, Cd, Hg) compounds in the 106--270 nm region,
J. Chem. Phys., 1990, 92, 5, 2797, https://doi.org/10.1063/1.457926
. [all data]
Penner, Amirav, et al., 1991
Penner, A.; Amirav, A.; Bersohn, R.,
Emission spectrum of CdCH3,
Chem. Phys. Lett., 1991, 176, 2, 147, https://doi.org/10.1016/0009-2614(91)90146-Z
. [all data]
Robles, Ellis, et al., 1991
Robles, E.S.J.; Ellis, A.M.; Miller, T.A.,
Laser-induced fluorescence spectra of the cold radicals, ZnCH3 and CdCH3, and their inert-gas complexes, X«58872»CdCH3 (X = He, Ne, Ar, Kr, Xe),
Chem. Phys. Lett., 1991, 178, 2-3, 185, https://doi.org/10.1016/0009-2614(91)87054-F
. [all data]
Cerny, Tan, et al., 1993
Cerny, T.M.; Tan, X.Q.; Williamson, J.M.; Robles, E.S.J.; Ellis, A.M.; Miller, T.A.,
High resolution electronic spectroscopy of ZnCH3 and CdCH3,
J. Chem. Phys., 1993, 99, 12, 9376, https://doi.org/10.1063/1.465521
. [all data]
Tan, Cerny, et al., 1994
Tan, X.Q.; Cerny, T.M.; Williamson, J.M.; Miller, T.A.,
Hyperfine structure in the electronic spectra of the CdH and CdCH3 radicals,
J. Chem. Phys., 1994, 101, 8, 6396, https://doi.org/10.1063/1.468396
. [all data]
Panov, Powers, et al., 1998
Panov, S.I.; Powers, D.E.; Miller, T.A.,
The spectroscopy of the CdCH[sub 3] radical and its positive ion,
J. Chem. Phys., 1998, 108, 4, 1335, https://doi.org/10.1063/1.475506
. [all data]
Pushkarsky, Barckholtz, et al., 1999
Pushkarsky, M.B.; Barckholtz, T.A.; Miller, T.A.,
J. Ch3m. Phys., 1999, 110, 2016. [all data]
Jacox, 1994
Jacox, M.E.,
Vibrational and electronic energy levels of polyatomic transient molecules, American Chemical Society, Washington, DC, 1994, 464. [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]
Jacox, 2003
Jacox, M.E.,
Vibrational and electronic energy levels of polyatomic transient molecules: supplement B,
J. Phys. Chem. Ref. Data, 2003, 32, 1, 1-441, https://doi.org/10.1063/1.1497629
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Vibrational and/or electronic energy levels, References
- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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