Methylene

• Formula: CH₂
• Molecular weight: 14.0266
• IUPAC Standard InChI: InChI=1S/CH2/h1H2 Copy

  
• IUPAC Standard InChIKey: HZVOZRGWRWCICA-UHFFFAOYSA-N Copy
• CAS Registry Number: 2465-56-7
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
  The 3d structure may be viewed using Java or Javascript.
• Isotopologues:
  • CD2
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• Information on this page:
  • Ion clustering data
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • Vibrational and/or electronic energy levels
• Data at other public NIST sites:
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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
RCD - Robert C. Dunbar

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

(CH₃^- • 4294967295) +  = CH₃^-

By formula: (CH₃^- • 4294967295CH₂) + CH₂ = CH₃^-

 +  = ( • )

By formula: Co⁺ + CH₂ = (Co⁺ • CH₂)

 +  = ( • )

By formula: Cr⁺ + CH₂ = (Cr⁺ • CH₂)

 +  = ( • )

By formula: La⁺ + CH₂ = (La⁺ • CH₂)

 +  = ( • )

By formula: Sc⁺ + CH₂ = (Sc⁺ • CH₂)

 +  = ( • )

By formula: Y⁺ + CH₂ = (Y⁺ • CH₂)

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.

Ellison, Engelking, et al., 1978
Ellison, G.B.; Engelking, P.C.; Lineberger, W.C., An experimental determination of the geometry and electron affinity of CH₃, J. Am. Chem. Soc., 1978, 100, 2556. [all data]

Haynes and Armentrout, 1994
Haynes, C.L.; Armentrout, P.B., Thermochemistry and Structures of CoC3H6+: Metallacyclic and Metal-Alkene Isomers, Organomettalics, 1994, 13, 9, 3480, https://doi.org/10.1021/om00021a022 . [all data]

Georgiadis and Armentrout, 1989
Georgiadis, R.; Armentrout, P.B., Reactions of Ground State Cr+ with C2H6, C2H4, cyclo-C3H6, and cyclo-C2H4O: Bond Energies for CrCHn+ (n= 1-3), Int. J. Mass Spectrom. Ion Proc., 1989, 89, 2-3, 227, https://doi.org/10.1016/0168-1176(89)83062-9 . [all data]

Sunderlin and Armentrout, 1989
Sunderlin, L.S.; Armentrout, P.B., Periodic Trends in Chemical Reactivity: Reactions of Sc+, Y+, La+, and Lu+ with Methane and Ethane, J. Am. Chem. Soc., 1989, 111, 11, 3845, https://doi.org/10.1021/ja00193a015 . [all data]

Notes

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• Symbols used in this document:
  

  ΔrH°	Enthalpy of reaction at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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