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HCðC anion


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:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias

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Clustering reactions

C2H- + Methanol-D4 = C3H2D5-

By formula: C2H- + CD4O = C3H2D5-

Quantity Value Units Method Reference Comment
Deltar21.4 ± 1.0kcal/molIMREChabinyc and Brauman, 2000gas phase; Original dG=11.3 at 350K; dS based on symmetry alone; B
Quantity Value Units Method Reference Comment
Deltar12.8 ± 1.0kcal/molIMREChabinyc and Brauman, 2000gas phase; Original dG=11.3 at 350K; dS based on symmetry alone; B

C2H- + Fluoroform = C3H2F3-

By formula: C2H- + CHF3 = C3H2F3-

Quantity Value Units Method Reference Comment
Deltar19.3 ± 1.0kcal/molIMREChabinyc and Brauman, 2000gas phase; Original dG=9.2 at 350K; dS based on symmetry alone; B
Quantity Value Units Method Reference Comment
Deltar10.7 ± 1.0kcal/molIMREChabinyc and Brauman, 2000gas phase; Original dG=9.2 at 350K; dS based on symmetry alone; B

C2H- + Methyl Alcohol = C3H5O-

By formula: C2H- + CH4O = C3H5O-

Quantity Value Units Method Reference Comment
Deltar21.6 ± 2.0kcal/molIMREChabinyc and Brauman, 1999gas phase; Anchored to MeOH «DELTA»Gacid=375.2; B
Quantity Value Units Method Reference Comment
Deltar10.90kcal/molIMREMustanir, Matsuoka, et al., 2006gas phase; B
Deltar11.6 ± 2.0kcal/molIMREChabinyc and Brauman, 1999gas phase; Anchored to MeOH «DELTA»Gacid=375.2; B

(C2H- bullet 4294967295Dicarbon) + Dicarbon = C2H-

By formula: (C2H- bullet 4294967295C2) + C2 = C2H-

Quantity Value Units Method Reference Comment
Deltar162.0 ± 3.8kcal/molN/AZhou, Garand, et al., 2007gas phase; B
Deltar127.8 ± 3.9kcal/molTherRuscic and Berkowitz, 1990gas phase; 376.7 0K; corrected with data from Gurvich, Veyts, et al.; B
Deltar168.0 ± 2.7kcal/molTherBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B

C2H- + Water = (C2H- bullet Water)

By formula: C2H- + H2O = (C2H- bullet H2O)

Quantity Value Units Method Reference Comment
Deltar16.2 ± 1.0kcal/molTDAsMeot-ner, 1988gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar18.6cal/mol*KPHPMSMeot-ner, 1988gas phase; M
Quantity Value Units Method Reference Comment
Deltar10.6 ± 1.0kcal/molTDAsMeot-ner, 1988gas phase; B

References

Go To: Top, Ion clustering data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Chabinyc and Brauman, 2000
Chabinyc, M.L.; Brauman, J.I., Unusual ionic hydrogen bonds: Complexes of acetylides and fluoroform, J. Am. Chem. Soc., 2000, 122, 36, 8739-8745, https://doi.org/10.1021/ja000806z . [all data]

Chabinyc and Brauman, 1999
Chabinyc, M.L.; Brauman, J.I., Hydrogen bond strength and acidity. Structural and energetic correlations for acetylides and alcohols, J. Phys. Chem. A, 1999, 103, 46, 9163-9166, https://doi.org/10.1021/jp992852v . [all data]

Mustanir, Matsuoka, et al., 2006
Mustanir; Matsuoka, M.; Mishima, M.; Koch, H., Stability of complexes of phenylacetylides and benzyl alkoxides with methanol in the gas phase. Acid-base correlation in the ionic hydrogen-bond strength, Bull. Chem. Soc. Japan, 2006, 79, 7, 1118-1125, https://doi.org/10.1246/bcsj.79.1118 . [all data]

Zhou, Garand, et al., 2007
Zhou, J.; Garand, E.; Neumark, D.M., Vibronic structure in C2H and C2D from anion slow electron velocity-map imaging spectroscopy, J. Chem. Phys., 2007, 127, 11, 114313, https://doi.org/10.1063/1.2768932 . [all data]

Ruscic and Berkowitz, 1990
Ruscic, B.; Berkowitz, J., Photoion-pair Formation and Photoelectron-induced Dissociative Attachment in C2H2: D0(HCC-H), J. Chem. Phys., 1990, 93, 8, 5586, https://doi.org/10.1063/1.459629 . [all data]

Gurvich, Veyts, et al.
Gurvich, L.V.; Veyts, I.V.; Alcock, C.B., Hemisphere Publishing, NY, 1989, V. 1 2, Thermodynamic Properties of Individual Substances, 4th Ed. [all data]

Bartmess, Scott, et al., 1979
Bartmess, J.E.; Scott, J.A.; McIver, R.T., Jr., The gas phase acidity scale from methanol to phenol, J. Am. Chem. Soc., 1979, 101, 6047. [all data]

Meot-ner, 1988
Meot-ner, M., The Ionic Hydrogen Bond and Solvation. 7. Interaction Energies of Carbanions with Solvent Molecules, J. Am. Chem. Soc., 1988, 110, 12, 3858, https://doi.org/10.1021/ja00220a022 . [all data]


Notes

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