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Methylidyne

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Reaction 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: 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

(CHCl- bullet 4294967295Methylidyne) + Methylidyne = CHCl-

By formula: (CHCl- bullet 4294967295CH) + CH = CHCl-

Quantity Value Units Method Reference Comment
Deltar158. ± 9.6kJ/molCIDTJesinger and Squires, 1999gas phase
Deltar159. ± 8.4kJ/molN/AGilles, Ervin, et al., 1992gas phase; Triplet state is 4.2±2.5 kcal/mol higher in energy than neutral singlet

Carbon anion + Hydrogen cation = Methylidyne

By formula: C- + H+ = CH

Quantity Value Units Method Reference Comment
Deltar1529.4 ± 0.71kJ/molD-EAScheer, Bilodeau, et al., 1998gas phase; Given: 1.262119(20) eV
Quantity Value Units Method Reference Comment
Deltar1506.2 ± 1.1kJ/molH-TSScheer, Bilodeau, et al., 1998gas phase; Given: 1.262119(20) eV

References

Go To: Top, Reaction thermochemistry data, Notes

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

Jesinger and Squires, 1999
Jesinger, R.A.; Squires, R.R., Carbyne thermochemistry from energy-resolved collision-induced dissociation. The heats of formation of CH, CF, and CCl, Int. J. Mass Spectrom., 1999, 187, 745-757, https://doi.org/10.1016/S1387-3806(98)14182-9 . [all data]

Gilles, Ervin, et al., 1992
Gilles, M.K.; Ervin, K.M.; Ho, J.; Lineberger, W.C., Negative Ion Photoelectron Spectroscopy of HCF-, HCCl-, HCBr-, and HCI- - Photoelectron Angular Distributions and Neutral Triplet Excitation, J. Phys. Chem., 1992, 96, 3, 1130, https://doi.org/10.1021/j100182a021 . [all data]

Scheer, Bilodeau, et al., 1998
Scheer, M.; Bilodeau, R.C.; Brodie, C.A.; Haugen, H.K., Systematic study of the stable states of C-, Si-, Ge-, and Sn- via infrared laser spectroscopy, Phys. Rev. A, 1998, 58, 4, 2844-2856, https://doi.org/10.1103/PhysRevA.58.2844 . [all data]


Notes

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