Gaseous [C 7 H 8 ] +˙  ions: [Methylene cyclohexadiene] +˙ , a stable species in the gas phase | Zendy

Burgers Peter C. | Zendy; Terlouw Johan K. | Zendy; Levsen Karsten | Zendy

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Gaseous [C 7 H 8 ] +˙ ions: [Methylene cyclohexadiene] +˙ , a stable species in the gas phase

Author(s) -

Burgers Peter C.,

Terlouw Johan K.,

Levsen Karsten

Publication year - 1982

Publication title -

organic mass spectrometry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.475

H-Index - 121

eISSN - 1096-9888

pISSN - 0030-493X

DOI - 10.1002/oms.1210170610

Subject(s) - methylene , metastability , ion , ionization , decomposition , chemistry , phase (matter) , gas phase , spectral line , standard enthalpy of formation , analytical chemistry (journal) , medicinal chemistry , organic chemistry , physics , astronomy

Using collisional activation and collisional ionization spectra in conjunction with isotopic labelling and energetic data it is demonstrated that the metastable decomposition of ionized n ‐butylbenzene and 2‐phenylethanol leads to [C 7 H 8 ] +˙ ions which have the methylene cyclohexadiene structure. From appearance energies of metastable peaks a value of 960±10 kJ mol −1 was obtained for its heat of formation.

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