Hexamethylditin

• Formula: C₆H₁₈Sn₂
• Molecular weight: 327.627
• IUPAC Standard InChI: InChI=1S/6CH3.2Sn/h6*1H3;; Copy

  
• IUPAC Standard InChIKey: CCRMAATUKBYMPA-UHFFFAOYSA-N Copy
• CAS Registry Number: 661-69-8
• Chemical structure:
  This structure is also available as a 2d Mol file
• Other names: ((CH3)3Sn)2; Distannane, hexamethyl-; Hexamethyldistannane; Pennsalt TD 5032; Stannane, hexamethyldi-; TD 5032; Trimethyltin dimer; Tin, hexamethyldi-; Distannane, 1,1,1,2,2,2-hexamethyl-; NSC 227328
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Gas phase thermochemistry data
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • Phase change data
  • Mass spectrum (electron ionization)
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Gas phase 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: José A. Martinho Simões

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: José A. Martinho Simões

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

 (l) +  (cr) = 2C₃H₉ISn (l)

By formula: C₆H₁₈Sn₂ (l) + I₂ (cr) = 2C₃H₉ISn (l)

 (l) +  (l) = 2C₃H₉BrSn (l)

By formula: C₆H₁₈Sn₂ (l) + Br₂ (l) = 2C₃H₉BrSn (l)

Gas phase ion energetics 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:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

View reactions leading to C₆H₁₈Sn₂⁺ (ion structure unspecified)

Ionization energy determinations

Appearance energy determinations

References

Go To: Top, Gas phase thermochemistry data, 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.

Martinho Simões
Martinho Simões, J.A., Private communication (see http://webbook.nist.gov/chemistry/om/). [all data]

Pedley, Skinner, et al., 1957
Pedley, J.B.; Skinner, H.A.; Chernick, C.L., Thermochemistry of metallic alkyls. Part 8.?Tin tetramethyl, and hexamethyl distannane, Trans. Faraday Soc., 1957, 53, 1612, https://doi.org/10.1039/tf9575301612 . [all data]

Pedley and Rylance, 1977
Pedley, J.B.; Rylance, J., Computer Analysed Thermochemical Data: Organic and Organometallic Compounds, University of Sussex, Brigton, 1977. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds in Academic Press, New York, 1970. [all data]

Granozzi, Bertoncello, et al., 1985
Granozzi, G.; Bertoncello, R.; Tondello, E.; Ajo, D., He(I)/He(II) Sn 5p photoionization cross sections: Definitive evidence from the spectra of Sn₂(CH₃)₆, J. Electron Spectrosc. Relat. Phenom., 1985, 36, 207. [all data]

Szepes, Koranyi, et al., 1981
Szepes, L.; Koranyi, T.; Naray-Szabo, G.; Modelli, A.; Distefano, G., Ultraviolet photoelectron spectra of group IV hexamethyl derivatives containing a metal-metal bond, J. Organomet. Chem., 1981, 217, 35. [all data]

Lappert, Pedley, et al., 1971
Lappert, M.F.; Pedley, J.B.; Simpson, J.; Spalding, T.R., Bonding studies of compounds of boron and the Group IV elements. VI. Mass spectrometric studies on compounds Me₄M and Me₃M-M'Me₃ (M and M'=C, Si, Ge, Sn, and Pb): thermochemical data, J. Organomet. Chem., 1971, 29, 195. [all data]

Mochida, Worley, et al., 1985
Mochida, K.; Worley, S.; Kochi, J., UV photoelectron spectra of peralkylated catenates of Group 4B elements (silicon, germanium, and tin), Bull. Chem. Soc. Jpn., 1985, 58, 3389. [all data]

Yergey and Lampe, 1968
Yergey, A.L.; Lampe, F.W., An electron impact study of ionization and dissociation of trimethylstannanes, J. Organometal. Chem., 1968, 15, 339. [all data]

Pitt, Bursey, et al., 1970
Pitt, C.G.; Bursey, M.M.; Rogerson, P.F., Catenates of the group IV elements. Correlation of σ electron energies, J. Am. Chem. Soc., 1970, 92, 519. [all data]

Notes

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• Symbols used in this document:
  

  AE	Appearance energy
  ΔfH°gas	Enthalpy of formation of gas at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions

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