ClCH2 anion


Reaction thermochemistry data

Go To: Top, 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: John E. Bartmess

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

CH2Cl- + Hydrogen cation = Chloromethane

By formula: CH2Cl- + H+ = CH3Cl

Quantity Value Units Method Reference Comment
Δr399.6 ± 2.5kcal/molEndoHierl, Henchman, et al., 1992gas phase; HO- + ClCH3: 8.8±2.3 kcal/mol endo
Δr396.0 ± 3.1kcal/molG+TSIngemann and Nibbering, 1985gas phase
Δr396.6 ± 4.6kcal/molEIAERogers, Simpson, et al., 2010gas phase
Δr400.0 ± 2.0kcal/molIMRBPoutsma, Nash, et al., 1997gas phase
Δr399.1 ± 4.1kcal/molG+TSHenchman, Hierl, et al., 1985gas phase; HO- + MeCl: 0.38±0.1 eV endo
Quantity Value Units Method Reference Comment
Δr389.1 ± 3.0kcal/molIMREIngemann and Nibbering, 1985gas phase
Δr392.2 ± 4.0kcal/molIMRBHenchman, Hierl, et al., 1985gas phase; HO- + MeCl: 0.38±0.1 eV endo

Gas phase ion energetics data

Go To: Top, Reaction thermochemistry 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: John E. Bartmess

Protonation reactions

CH2Cl- + Hydrogen cation = Chloromethane

By formula: CH2Cl- + H+ = CH3Cl

Quantity Value Units Method Reference Comment
Δr399.6 ± 2.5kcal/molEndoHierl, Henchman, et al., 1992gas phase; HO- + ClCH3: 8.8±2.3 kcal/mol endo
Δr396.0 ± 3.1kcal/molG+TSIngemann and Nibbering, 1985gas phase
Δr396.6 ± 4.6kcal/molEIAERogers, Simpson, et al., 2010gas phase
Δr400.0 ± 2.0kcal/molIMRBPoutsma, Nash, et al., 1997gas phase
Δr399.1 ± 4.1kcal/molG+TSHenchman, Hierl, et al., 1985gas phase; HO- + MeCl: 0.38±0.1 eV endo
Quantity Value Units Method Reference Comment
Δr389.1 ± 3.0kcal/molIMREIngemann and Nibbering, 1985gas phase
Δr392.2 ± 4.0kcal/molIMRBHenchman, Hierl, et al., 1985gas phase; HO- + MeCl: 0.38±0.1 eV endo

References

Go To: Top, 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.

Hierl, Henchman, et al., 1992
Hierl, P.M.; Henchman, M.J.; Paulson, J.F., Threshold Energies for the Reactions HO- + MeX - MeOH + X- measured by Tandem Mass Spectrometry: Acidities of MeCl and MeBr, Int. J. Mass Spectrom. Ion Proc., 1992, 117, 475, https://doi.org/10.1016/0168-1176(92)80109-E . [all data]

Ingemann and Nibbering, 1985
Ingemann, S.; Nibbering, N.M.M., Gas-phase acidity of CH3X [X = P(CH3)2, SCH3, F, Cl, Br, I] compounds, J. Chem. Soc. Perkin Trans. 2, 1985, 837. [all data]

Rogers, Simpson, et al., 2010
Rogers, N.J.; Simpson, M.J.; Tuckett, R.P.; Dunn, K.F.; Latimer, C.J., Vacuum-UV negative photoion spectroscopy of CH3F, CH3Cl and CH3Br, Phys. Chem. Chem. Phys., 2010, 12, 36, 10971-10980, https://doi.org/10.1039/c0cp00234h . [all data]

Poutsma, Nash, et al., 1997
Poutsma, J.C.; Nash, J.J.; Paulino, J.A.; Squires, R.R., Absolute Heats of Formation of Phenylcarbene and Vinylcarbene, J. Am. Chem. Soc., 1997, 119, 20, 4686, https://doi.org/10.1021/ja963918s . [all data]

Henchman, Hierl, et al., 1985
Henchman, M.; Hierl, P.M.; Paulson, J.F., Nucleophilic displacement vs. proton tranfer: The system OH-.(H2O)0,1,2 + CH3Cl in the relative energy range 0.03-5 eV, J. Am. Chem. Soc., 1985, 107, 2812. [all data]


Notes

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, References