Allene

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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: Glushko Thermocenter, Russian Academy of Sciences, Moscow

Constant pressure heat capacity of gas

Cp,gas (J/mol*K) Temperature (K) Reference Comment
33.3250.Thermodynamics Research Center, 1997Recommended values are in close agreement with those obtained from earlier statistical thermodynamics calculation [ Kilpatrick J.E., 1949].
35.99100.
40.82150.
46.31200.
55.67273.15
59.03298.15
59.28300.
72.09400.
83.00500.
92.07600.
99.73700.
106.3800.
112.0900.
117.01000.
121.41100.
125.21200.
128.51300.
131.41400.
134.01500.

Constant pressure heat capacity of gas

Cp,gas (J/mol*K) Temperature (K) Reference Comment
40.63 ± 0.16148.2Kistiakowsky G.B., 1940Please also see Kistiakowsky G.B., 1940, 2.
41.49 ± 0.17157.8
47.53 ± 0.19213.1
48.30 ± 0.19218.4
49.02 ± 0.20223.7
53.31 ± 0.21258.0
55.23 ± 0.22272.16
59.33 ± 0.24300.00
63.81 ± 0.26334.00
67.86 ± 0.27366.45

Ion clustering 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:
RCD - Robert C. Dunbar
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

Chromium ion (1+) + Allene = (Chromium ion (1+) • Allene)

By formula: Cr+ + C3H4 = (Cr+ • C3H4)

Quantity Value Units Method Reference Comment
ΔrH°176. ± 8.4kJ/molCIDTFisher and Armentrout, 1992propyne or allene; RCD

Rh+ + Allene = (Rh+ • Allene)

By formula: Rh+ + C3H4 = (Rh+ • C3H4)

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
222. (+19.,-0.) CIDChen and Armetrout, 1995gas phase; guided ion beam CID; M

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.

Thermodynamics Research Center, 1997
Thermodynamics Research Center, Selected Values of Properties of Chemical Compounds., Thermodynamics Research Center, Texas A&M University, College Station, Texas, 1997. [all data]

Kilpatrick J.E., 1949
Kilpatrick J.E., Heats, equilibrium constants, and free energies of formation of the C3 to C5 diolefins, styrene, and the methylstyrenes, J. Res. Nat. Bur. Stand., 1949, 42, 225-240. [all data]

Kistiakowsky G.B., 1940
Kistiakowsky G.B., Gaseous heat capacities. II, J. Chem. Phys., 1940, 8, 610-618. [all data]

Kistiakowsky G.B., 1940, 2
Kistiakowsky G.B., The low temperature gaseous heat capacities of certain C3 hydrocarbons, J. Chem. Phys., 1940, 8, 970-977. [all data]

Fisher and Armentrout, 1992
Fisher, E.R.; Armentrout, P.B., Activation of Alkanes by Cr+: Unique Reactivity of Ground-State Cr+(6S) and Thermochemistry of Neutral and Ionic Chromium-Carbon Bonds, J. Am. Chem. Soc., 1992, 114, 6, 2039, https://doi.org/10.1021/ja00032a017 . [all data]

Chen and Armetrout, 1995
Chen, Y.M.; Armetrout, P.B., Activation of C2H6, C3H8, and c-C3H6 by Gas-Phase Rh+ and the Thermochemistry of Rh-Ligand Complexes, J. Am. Chem. Soc., 1995, 117, 36, 9291, https://doi.org/10.1021/ja00141a022 . [all data]

Notes

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