dimethylcadmium

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Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics 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: José A. Martinho Simões

Quantity Value Units Method Reference Comment
Δfgas29.4 ± 2.9kcal/molReviewMartinho Simões 
Δfgas24.4 ± 1.0kcal/molReviewMartinho Simões 
Δfgas25.05 ± 0.31kcal/molReviewMartinho SimõesSelected data.

Condensed 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 as indicated in comments:
MS - José A. Martinho Simões
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Δfliquid15.6 ± 1.0kcal/molReviewMartinho SimõesMS
Δfliquid16.2 ± 0.31kcal/molReviewMartinho SimõesSelected data.; MS
Quantity Value Units Method Reference Comment
liquid48.250cal/mol*KN/AN/ADH
Quantity Value Units Method Reference Comment
Δfsolid20.5 ± 2.9kcal/molReviewMartinho SimõesMS
Quantity Value Units Method Reference Comment
Δcsolid-475.3 ± 2.9kcal/molCC-SBLong and Norrish, 1949Please also see Cox and Pilcher, 1970.; MS

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
31.551298.15N/AT = 15 to 300 K.; DH

Phase change data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics 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 as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
MS - José A. Martinho Simões
DH - Eugene S. Domalski and Elizabeth D. Hearing
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Ttriple270.48KN/AN/ACrystal phase 1 phase; Uncertainty assigned by TRC = 0.02 K; TRC
Quantity Value Units Method Reference Comment
Δvap8.87 ± 0.02kcal/molRSCSokolovskii and Baev, 1985MS
Quantity Value Units Method Reference Comment
Δsub8.87 ± 0.02kcal/molCC-SBSokolovskii and Baev, 1985MS

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Reference Comment
9.1530291.5N/AP = 3.033 kPa; DH
8.87 ± 0.02324.Sokolovski and Baev, 1985Based on data from 271. to 378. K. See also Baev, 2001.; AC
9.30282.N/ABased on data from 270. to 295. K.; AC

Entropy of vaporization

ΔvapS (cal/mol*K) Temperature (K) Reference Comment
31.41291.5N/AP; DH

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Reference Comment
1.87270.5N/AAC

Enthalpy of phase transition

ΔHtrs (kcal/mol) Temperature (K) Initial Phase Final Phase Reference Comment
0.36350254.35crystaline, IIcrystaline, IN/ADH
1.873270.48crystaline, IliquidN/ADH

Entropy of phase transition

ΔStrs (cal/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
1.43254.35crystaline, IIcrystaline, IN/ADH
6.924270.48crystaline, IliquidN/ADH

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


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) + Methane (g)

By formula: C2H6Cd (g) = CH3Cd (g) + CH4 (g)

Quantity Value Units Method Reference Comment
Δr56.0 ± 1.5kcal/molKinGJackson, 1989 
Δr58.1 to 60.9kcal/molN/ASmith and Patrick, 1983 
Δr60.0 ± 4.0kcal/molN/AMcMillen 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 ± 0.02PIDistefano and Dibeler, 1970RDSH
8.8PECreber and Bancroft, 1980Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
CH3Cd+9.69 ± 0.02CH3PIDistefano and Dibeler, 1970RDSH
Cd+12.10 ± 0.022CH3PIDistefano and Dibeler, 1970RDSH

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, 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]

Long and Norrish, 1949
Long, L.H.; Norrish, R.G.W., Phil. Trans. Roy. Soc. (London), 1949, A241, 587. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds in Academic Press, New York, 1970. [all data]

Sokolovskii and Baev, 1985
Sokolovskii, A.E.; Baev, A.K., Vestsi Akad. Navuk BSSR, Ser. Khim. Navuk, 1985, 112.. [all data]

Sokolovski and Baev, 1985
Sokolovski, A.E.; Baev, A.K., Vestsi Akad. G. Emii Navuk BSSR Ser. Khim. Navuk, 1985, 1112. [all data]

Baev, 2001
Baev, A.K., Izv. Vyssh. Uchebn. Zaved., Khim. Khim. Tekhnol., 2001, 44, 1, 3. [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]


Notes

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