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On the formation of protonated acetic acid from ionized n-alkanoic acids in the gas phase |
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| Authors: | Herman Halim Helmut Schwarz John K Terlouw Karsten Levsen |
| Abstract: | By means of collisional activation mass spectrometry and semi-empirical molecular orbital calculations (MNDO) it is shown that the C2H5O2]+ ions from metastable molecular ions of n-pentanoic and hexanoic acid have the structure of carbonyl protonated acetic acid CH3C(OH)2]+. The MNDO calculated geometries of this ion and some other isomeric forms are given together with the ΔHf0 values. |
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