CdCH3
- Formula: CH3Cd
- Molecular weight: 127.446
- CAS Registry Number: 42217-97-0
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Gas phase thermochemistry 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: 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). |
Reaction thermochemistry 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: José A. Martinho Simões
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
C2H6Cd (g) = CH3Cd (g) + (g)
By formula: C2H6Cd (g) = CH3Cd (g) + CH4 (g)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 56.0 ± 1.5 | kcal/mol | KinG | Jackson, 1989 | |
ΔrH° | 58.1 to 60.9 | kcal/mol | N/A | Smith and Patrick, 1983 | |
ΔrH° | 60.0 ± 4.0 | kcal/mol | N/A | McMillen and Golden, 1982 |
Vibrational and/or electronic energy levels
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, NIST Free Links, 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, Reaction thermochemistry data, Vibrational and/or electronic energy levels, NIST Free Links, 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]
Jackson, 1989
Jackson, R.L.,
Chem. Phys. Lett., 1989, 163, 315. [all data]
Smith and Patrick, 1983
Smith, G.P.; Patrick, R.,
Int. J. Chem. Kinet., 1983, 15, 167. [all data]
McMillen and Golden, 1982
McMillen, D.F.; Golden, D.M.,
Hydrocarbon bond dissociation energies,
Ann. Rev. Phys. Chem., 1982, 33, 493. [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, Reaction thermochemistry data, Vibrational and/or electronic energy levels, NIST Free Links, References
- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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