Gallium trimethyl

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Phase change 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
MS - José A. Martinho Simões
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Ttriple257.81KN/ALebedev, Smirnova, et al., 1988Crystal phase 1 phase; Uncertainty assigned by TRC = 0.02 K; TRC
Ttriple257.9KN/AMaslova, Novoselova, et al., 1973Uncertainty assigned by TRC = 0.2 K; TRC
Quantity Value Units Method Reference Comment
Δvap7.9 ± 0.2kcal/molCC-SBLong and Sackman, 1958MS

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Reference Comment
8.51259. to 263.Fulem, Ruzicka, et al., 2003AC

Enthalpy of sublimation

ΔsubH (kcal/mol) Temperature (K) Method Reference Comment
11.3225. to 257.N/AFulem, Ruzicka, et al., 2003AC
10.8252.AStephenson and Malanowski, 1987Based on data from 247. to 257. K.; AC

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Reference Comment
2.6401257.9Maslova, Novoselova, et al., 1973, 2DH
2.641257.9Domalski and Hearing, 1996AC

Entropy of fusion

ΔfusS (cal/mol*K) Temperature (K) Reference Comment
10.24257.9Maslova, Novoselova, et al., 1973, 2DH

Enthalpy of phase transition

ΔHtrs (kcal/mol) Temperature (K) Initial Phase Final Phase Reference Comment
0.0796244.5crystaline, IIcrystaline, ILebedev, Smirnova, et al., 1988, 2DH
2.5339257.81crystaline, IliquidLebedev, Smirnova, et al., 1988, 2DH

Entropy of phase transition

ΔStrs (cal/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
0.325244.5crystaline, IIcrystaline, ILebedev, Smirnova, et al., 1988, 2DH
9.82257.81crystaline, IliquidLebedev, Smirnova, et al., 1988, 2DH

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:


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

Ionization energy determinations

IE (eV) Method Reference Comment
8.9PEBarker, Lappert, et al., 1975LLK
9.87 ± 0.02EIGlockling and Strafford, 1971LLK
9.76PEBarker, Lappert, et al., 1975Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
CH3Ga+13.65 ± 0.072CH3EIGlockling and Strafford, 1971LLK
C2H6Ga+10.16 ± 0.03CH3EIGlockling and Strafford, 1971LLK
Ga+13.24 ± 0.03C2H6+CH3EIGlockling and Strafford, 1971LLK

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.

Lebedev, Smirnova, et al., 1988
Lebedev, B.V.; Smirnova, N.N.; Kulagina, T.G., Enthalpy, Eentropy and Gibbs Energy in bulk polymerization of cyclohexane with ring-opening between 0 and 330 K at standaed pressure, Makromol. Chem., Rapid Commun., 1988, 9, 781. [all data]

Maslova, Novoselova, et al., 1973
Maslova, V.A.; Novoselova, N.V.; Moseeva, E.M.; Berezhnaya, N.D.; Rabinovich, I.B., Specific Heat and Phase Changes of Triethylindium, Triethylantimony, and Trimethylgallium, Tr. Khim. Khim. Tekhnol., 1973, 1973, 51. [all data]

Long and Sackman, 1958
Long, L.H.; Sackman, J.F., The heat of formation and physical properties of gallium trimethyl, Trans. Faraday Soc., 1958, 54, 1797, https://doi.org/10.1039/tf9585401797 . [all data]

Fulem, Ruzicka, et al., 2003
Fulem, M.; Ruzicka, K.; Ruzicka, V.; Hulicius, E.; Simecek, T.; Melichar, K.; Pangrác, J.; Rushworth, S.A.; Smith, L.M., Vapor pressure of metal organic precursors, Journal of Crystal Growth, 2003, 248, 99-107, https://doi.org/10.1016/S0022-0248(02)01840-7 . [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Maslova, Novoselova, et al., 1973, 2
Maslova, V.A.; Novoselova, N.V.; Moseeva, E.M.; Berezhnaya, N.D.; Rabinovich, I.B., Specific heat and phase changes of triethylindium, triethyl antimony, and trimethyl gallium, Trudy. Khim. Khim. Tekhnol., 1973, (2), 51-52. [all data]

Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III, J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985 . [all data]

Lebedev, Smirnova, et al., 1988, 2
Lebedev, B.V.; Smirnova, N.N.; Kulagina, T.G., Enthalpy, entropy and Gibbs energy in bulk polymerization of cyclohexene with ring-opening between 0 and 330 K at standard pressure, Makromol. Chem., Rapid Commun., 1988, 9, 781-784. [all data]

Barker, Lappert, et al., 1975
Barker, G.K.; Lappert, M.F.; Pedley, J.B.; Sharp, G.J.; Westwood, N.P.C., Bonding studies of boron and the group 3-5 elements. Part XV. He(I) photoelectron spectra of monomeric group 3 tri-halide, trimethyl, and mixed halogenomethyl species, J. Chem. Soc. Dalton Trans., 1975, 1765. [all data]

Glockling and Strafford, 1971
Glockling, F.; Strafford, R.G., Electron impact studies on some group III metal alkyls, J. Chem. Soc. A, 1971, 1761. [all data]


Notes

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