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cyclopentadienide 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

cyclopentadienide anion + CCoO = C6H5CoO-

By formula: C5H5- + CCoO = C6H5CoO-

Quantity Value Units Method Reference Comment
Deltar42.7 ± 3.3kJ/molN/ASunderlin and Squires, 1999gas phase; B

cyclopentadienide anion + Methyl Alcohol = (cyclopentadienide anion bullet Methyl Alcohol)

By formula: C5H5- + CH4O = (C5H5- bullet CH4O)

Quantity Value Units Method Reference Comment
Deltar55.2 ± 4.2kJ/molTDAsMeot-ner, 1988gas phase; B
Quantity Value Units Method Reference Comment
Deltar29. ± 4.2kJ/molTDAsMeot-ner, 1988gas phase; B

cyclopentadienide anion + C2D3N = (cyclopentadienide anion bullet C2D3N)

By formula: C5H5- + C2D3N = (C5H5- bullet C2D3N)

Quantity Value Units Method Reference Comment
Deltar64.9kJ/molPHPMSMeot-ner, 1988gas phase; M
Quantity Value Units Method Reference Comment
Deltar95.4J/mol*KPHPMSMeot-ner, 1988gas phase; M

(cyclopentadienide anion bullet C2D3N) + C2D3N = (cyclopentadienide anion bullet 2C2D3N)

By formula: (C5H5- bullet C2D3N) + C2D3N = (C5H5- bullet 2C2D3N)

Quantity Value Units Method Reference Comment
Deltar54.8kJ/molPHPMSMeot-ner, 1988gas phase; CD3CN; M
Quantity Value Units Method Reference Comment
Deltar95.4J/mol*KPHPMSMeot-ner, 1988gas phase; CD3CN; M

(cyclopentadienide anion bullet 2C2D3N) + C2D3N = (cyclopentadienide anion bullet 3C2D3N)

By formula: (C5H5- bullet 2C2D3N) + C2D3N = (C5H5- bullet 3C2D3N)

Quantity Value Units Method Reference Comment
Deltar42.7kJ/molPHPMSMeot-ner, 1988gas phase; Entropy change calculated or estimated, «DELTA»rH<, CD3CN; M
Quantity Value Units Method Reference Comment
Deltar92.J/mol*KN/AMeot-ner, 1988gas phase; Entropy change calculated or estimated, «DELTA»rH<, CD3CN; M

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
21.232.PHPMSMeot-ner, 1988gas phase; Entropy change calculated or estimated, «DELTA»rH<, CD3CN; M

cyclopentadienide anion + Ethanol, 2,2,2-trifluoro- = (cyclopentadienide anion bullet Ethanol, 2,2,2-trifluoro-)

By formula: C5H5- + C2H3F3O = (C5H5- bullet C2H3F3O)

Quantity Value Units Method Reference Comment
Deltar86.2 ± 4.2kJ/molTDAsMeot-ner, 1988gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar102.J/mol*KPHPMSMeot-ner, 1988gas phase; M
Quantity Value Units Method Reference Comment
Deltar55.6 ± 4.2kJ/molTDAsMeot-ner, 1988gas phase; B

cyclopentadienide anion + Acetonitrile = (cyclopentadienide anion bullet Acetonitrile)

By formula: C5H5- + C2H3N = (C5H5- bullet C2H3N)

Quantity Value Units Method Reference Comment
Deltar64.9 ± 4.2kJ/molTDAsMeot-ner, 1988gas phase; B
Quantity Value Units Method Reference Comment
Deltar36. ± 4.2kJ/molTDAsMeot-ner, 1988gas phase; B

cyclopentadienide anion + Acetone = (cyclopentadienide anion bullet Acetone)

By formula: C5H5- + C3H6O = (C5H5- bullet C3H6O)

Quantity Value Units Method Reference Comment
Deltar56.5 ± 4.2kJ/molTDAsMeot-ner, 1988gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar91.2J/mol*KPHPMSMeot-ner, 1988gas phase; M
Quantity Value Units Method Reference Comment
Deltar29. ± 4.2kJ/molTDAsMeot-ner, 1988gas phase; B

(cyclopentadienide anion bullet Acetone) + Acetone = (cyclopentadienide anion bullet 2Acetone)

By formula: (C5H5- bullet C3H6O) + C3H6O = (C5H5- bullet 2C3H6O)

Quantity Value Units Method Reference Comment
Deltar41.kJ/molPHPMSMeot-ner, 1988gas phase; M
Quantity Value Units Method Reference Comment
Deltar68.6J/mol*KPHPMSMeot-ner, 1988gas phase; M

cyclopentadienide anion + 2-Propanol, 2-methyl- = (cyclopentadienide anion bullet 2-Propanol, 2-methyl-)

By formula: C5H5- + C4H10O = (C5H5- bullet C4H10O)

Quantity Value Units Method Reference Comment
Deltar71.1 ± 4.2kJ/molTDAsMeot-ner, 1988gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar134.J/mol*KPHPMSMeot-ner, 1988gas phase; M
Quantity Value Units Method Reference Comment
Deltar31. ± 4.2kJ/molTDAsMeot-ner, 1988gas phase; B

cyclopentadienide anion + 1,3-Cyclopentadiene = (cyclopentadienide anion bullet 1,3-Cyclopentadiene)

By formula: C5H5- + C5H6 = (C5H5- bullet C5H6)

Quantity Value Units Method Reference Comment
Deltar<36.0kJ/molIMRBMeot-ner, 1988gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar84.J/mol*KN/AMeot-ner, 1988gas phase; Entropy change calculated or estimated, DG<, «DELTA»rH<; M
Quantity Value Units Method Reference Comment
Deltar<11. ± 4.2kJ/molIMRBMeot-ner, 1988gas phase; B

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
15.250.PHPMSMeot-ner, 1988gas phase; Entropy change calculated or estimated, DG<, «DELTA»rH<; M

cyclopentadienide anion + Benzyl alcohol = (cyclopentadienide anion bullet Benzyl alcohol)

By formula: C5H5- + C7H8O = (C5H5- bullet C7H8O)

Quantity Value Units Method Reference Comment
Deltar80.3 ± 4.2kJ/molTDAsMeot-ner, 1988gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar125.J/mol*KPHPMSMeot-ner, 1988gas phase; M
Quantity Value Units Method Reference Comment
Deltar43.1 ± 4.2kJ/molTDAsMeot-ner, 1988gas phase; B

cyclopentadienide anion + cobalt = C5H5Co-

By formula: C5H5- + Co = C5H5Co-

Quantity Value Units Method Reference Comment
Deltar29.3 ± 2.5kJ/molN/ASunderlin and Squires, 1999gas phase; B

cyclopentadienide anion + Water = (cyclopentadienide anion bullet Water)

By formula: C5H5- + H2O = (C5H5- bullet H2O)

Quantity Value Units Method Reference Comment
Deltar46.0 ± 4.2kJ/molTDAsMeot-ner, 1988gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar67.4J/mol*KPHPMSMeot-ner, 1988gas phase; M
Quantity Value Units Method Reference Comment
Deltar26. ± 4.2kJ/molTDAsMeot-ner, 1988gas phase; B

(cyclopentadienide anion bullet Water) + Water = (cyclopentadienide anion bullet 2Water)

By formula: (C5H5- bullet H2O) + H2O = (C5H5- bullet 2H2O)

Quantity Value Units Method Reference Comment
Deltar41.8kJ/molPHPMSMeot-ner, 1988gas phase; M
Quantity Value Units Method Reference Comment
Deltar72.8J/mol*KPHPMSMeot-ner, 1988gas phase; M

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.

Sunderlin and Squires, 1999
Sunderlin, L.S.; Squires, R.R., Bond strengths in cyclopentadienyl metal carbonyl anions, Int. J. Mass Spectrom., 1999, 183, 149-161, https://doi.org/10.1016/S1387-3806(98)14230-6 . [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

Go To: Top, Ion clustering data, References