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Quadrupole Ion Trap Studies of the Structure and Reactivity of Transition Metal Ion Pair Complexes by Vachet, Richard W.; Callahan, John H. is a Chemistry article available to read on EtoBox.

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Ion pairs are common species observed in the electrospray mass spectra of transition metal coordination complexes. To understand the nature of these ion pairs, a systematic study of the gas-phase chemistry of these species using ion-molecule reactions and collision-induced dissociation (CID) was carried out. Ion pair complexes of the type ML n X Y (where M is Mn(II), Fe(II), Co(II), Ni(II), Cu(II) or Zn(II), L is 1,10phenanthroline, 2,2 -bipyridine, ethylenediamine, diethylenetriamine or 1,4,8,11-tetraazacyclotetradecane and X is Cl -, NO 3 -, acetylacetonate, ClO 4 -, acetate or SCN -) were studied. Ion-molecule reactions can distinguish whether the counterion in an ion pair is an inner-or outer-sphere ligand and can determine the coordination mode of the counterion. In addition, CID and ion-molecule reactions reveal some interesting chemistry of these complexes and unique coordination modes for some of the anions studied here were inferred from the ion-molecule reactions. For example, the thiocyanate ion is found to coordinate in a bidentate fashion in Zn(II) and Ni(II) complexes, contrasting behavior typically observed in solution. Also, certain Co(II) and Fe(II) ion pair comple

Who reads Quadrupole Ion Trap Studies of the Structure and Reactivity of Transition Metal Ion Pair Complexes?

Author

Vachet, Richard W.; Callahan, John H.

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); Wiley-Blackwell; Wiley-Liss Inc; John Wiley & Sons Inc.; Wiley; Heyden And Son (ISSN 1076-5174)

Published

2000

Language

EN

Field

Chemistry (Physical Sciences)