Abstract
The ion dissociation pathways of hexanitrohexaazaisowurtzitane (HNIW) are studied in this paper. A mass spectrometer with mass-analyzed ion kinetic energy spectrum is used for studying ions produced by electron impacts onHNIW. Dissociation processes from various precursor ions to product ions are proposed. Fifteen fragments including the largest m/z 392 and the smallest m/z 67 and m/z 54 are discussed. Dissociation of HNIW precursor ions with NO 2 was found to produce product ions with removal of NO 2 or NO molecules through β-inducement or α-inducement effects. HNIW framework precursor ions produce ions at (m-27)/z through losing HCN and ions at (m-1)/z through losing H atoms. Possible structures of HNIW-NO 2 ions and framework ions are suggested.
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