Isomeric Cl2O2+ and Cl2O2− ions

Abstract

Charged species structurally related to several isomers of Cl(2)O(2), of considerable importance in atmospheric chemistry, were obtained by chemical ionization (CI) and characterized by collisionally activated dissociation (CAD) mass spectrometry. The ClOClO(+) and [Cl(2)-O(2)](+) species were prepared by positive ion Cl(2)/CI of ClO(2) and O(2), respectively, whereas the ClClO(2)(+) isomer proved an elusive species of considerably lower stability. The ClClO(2)(-) anion was obtained from the negative ion Cl(2)/CI of ClO(2). The formation process, structure and stability of the ions are discussed in connection with available theoretical results and related to the recent preparation of (Cl(2)O(2))(+)SbF(6)(-) and (Cl(2)O(2))(+)Sb(2)F(11)(-) salts in the solid phase. Copyright 1999 John Wiley & Sons, Ltd.

Activation of Dioxygen by Halocarbon Ions

“…It is also known that dioxygen can be activated using N + and N 2 + cations. 6 In recent work of atmospheric significance, Cacace et al 7 show that C1 2 •+ reacts with dioxygen to yield Cl-O-Cl + -O • . They also show that neutral halocarbons can undergo dissociative charge exchange with O 2 + to yield halocarbon ions.…”