dimethylcadmium
- Formula: C2H6Cd
- Molecular weight: 142.480
- CAS Registry Number: 506-82-1
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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 | 123. ± 12. | kJ/mol | Review | Martinho Simões | |
ΔfH°gas | 102.2 ± 4.2 | kJ/mol | Review | Martinho Simões | |
ΔfH°gas | 104.8 ± 1.3 | kJ/mol | Review | Martinho Simões | Selected data. |
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° | 234.3 ± 6.3 | kJ/mol | KinG | Jackson, 1989 | |
ΔrH° | 243. to 255. | kJ/mol | N/A | Smith and Patrick, 1983 | |
ΔrH° | 251. ± 17. | kJ/mol | N/A | McMillen and Golden, 1982 |
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 |
---|---|---|---|
8.56 ± 0.02 | PI | Distefano and Dibeler, 1970 | RDSH |
8.8 | PE | Creber and Bancroft, 1980 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
CH3Cd+ | 9.69 ± 0.02 | CH3 | PI | Distefano and Dibeler, 1970 | RDSH |
Cd+ | 12.10 ± 0.02 | 2CH3 | PI | Distefano and Dibeler, 1970 | RDSH |
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: Takehiko Shimanouchi
Symmetry: D3h'(G+36) Symmetry Number σ = 6
Sym. | No | Approximate | Selected Freq. | Infrared | Raman | Comments | ||||
---|---|---|---|---|---|---|---|---|---|---|
Species | type of mode | Value | Rating | Value | Phase | Value | Phase | |||
a1' | 1 | CH3 s-str | 2903 | C | ia | 2903 S p | liq. | Free rotation | ||
a1' | 2 | CH3 s-deform | 1127 | C | ia | 1127 S p | liq. | Free rotation | ||
a1' | 3 | CCd s-str | 459 | C | ia | 459 S p | liq. | Free rotation | ||
a1 | 4 | Torsion | ia | ia | Free rotation | |||||
a2 | 5 | CH3 s-str | 2923 | C | 2923 S | gas | ia | Free rotation | ||
a2 | 6 | CH3 s-deform | 1136 | C | 1136 M | gas | ia | Free rotation | ||
a2 | 7 | CCd a-str | 535 | C | 535 S | gas | ia | Free rotation | ||
e' | 8 | CH3 d-str | 2980 | C | 2980 VS | gas | Free rotation | |||
e' | 9 | CH3 d-deform | 1315 | C | 1315 | gas | 1324 | liq. | Free rotation | |
e' | 10 | CH3 rock | 700 | C | 700 S | gas | Free rotation | |||
e' | 11 | CCdC deform | 124 | C | 124 W | gas | 120 W b | liq. | Free rotation | |
e | 12 | CH3 d-str | 2859 | C | 2859 | gas | 2834 M | liq. | Free rotation | |
e | 13 | CH3 d-deform | 1427 | C | 1427 W | liq. | Free rotation | |||
e | 14 | CH3 rock | 634 | C | 634 M dp | liq. | Free rotation | |||
Source: Shimanouchi, 1972
Notes
VS | Very strong |
S | Strong |
M | Medium |
W | Weak |
ia | Inactive |
b | Broad |
p | Polarized |
dp | Depolarized |
C | 3~6 cm-1 uncertainty |
References
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics 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]
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]
Distefano and Dibeler, 1970
Distefano, G.; Dibeler, V.H.,
Photoionization study of the dimethyl compounds of zinc, cadmium, and mercury,
Intern. J. Mass Spectrom. Ion Phys., 1970, 4, 59. [all data]
Creber and Bancroft, 1980
Creber, D.K.; Bancroft, G.M.,
Photoelectron studies of dialkyl group 2B compounds: Ligand field splittings intensity variations with photon energy,
Inorg. Chem., 1980, 19, 643. [all data]
Shimanouchi, 1972
Shimanouchi, T.,
Tables of Molecular Vibrational Frequencies Consolidated Volume II,
J. Phys. Chem. Ref. Data, 1972, 6, 3, 993-1102. [all data]
Notes
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- Symbols used in this document:
AE Appearance energy 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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