Charged species structurally related to several isomers of Cl2O2, of considerable importance in atmospheric chemistry, were obtained by chemical ionization (CI) and characterized by collisionally activated dissociation (CAD) mass spectrometry. The ClOClO+ and [Cl2-O2]+ species were prepared by positive ion Cl2/CI of ClO2 and O2, respectively, whereas the ClClO2+ isomer proved an elusive species of considerably lower stability. The ClClO2− anion was obtained from the negative ion Cl2/CI of ClO2. The formation process, structure and stability of the ions are discussed in connection with available theoretical results and related to the recent preparation of (Cl2O2)+SbF6− and (Cl2O2)+Sb2F11− salts in the solid phase.
Isomeric Cl2O2.+ and Cl2O2.- Ions / Cacace, Fulvio; DE PETRIS, Giulia; Troiani, Anna. - In: RAPID COMMUNICATIONS IN MASS SPECTROMETRY. - ISSN 0951-4198. - STAMPA. - 13:19(1999), pp. 1903-1906. [10.1002/(SICI)1097-0231(19991015)13:19<1903::AID-RCM727>3.0.CO;2-R]
Isomeric Cl2O2.+ and Cl2O2.- Ions.
CACACE, Fulvio;DE PETRIS, GIULIA;TROIANI, Anna
1999
Abstract
Charged species structurally related to several isomers of Cl2O2, of considerable importance in atmospheric chemistry, were obtained by chemical ionization (CI) and characterized by collisionally activated dissociation (CAD) mass spectrometry. The ClOClO+ and [Cl2-O2]+ species were prepared by positive ion Cl2/CI of ClO2 and O2, respectively, whereas the ClClO2+ isomer proved an elusive species of considerably lower stability. The ClClO2− anion was obtained from the negative ion Cl2/CI of ClO2. The formation process, structure and stability of the ions are discussed in connection with available theoretical results and related to the recent preparation of (Cl2O2)+SbF6− and (Cl2O2)+Sb2F11− salts in the solid phase.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
