Consecutive fragmentations of the cubane-like zinc cluster [CH3Zn(O-i-C3H7)]4 upon electron ionization

Schröder, Detlef; Schwarz, Helmut; Polarz, Sebastian; Driess, Matthias

Consecutive fragmentations of the cubane-like zinc cluster [CH3Zn(O-i-C3H7)]4 upon electron ionization

Dateien

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Datum

2005

Autor:innen

Schröder, Detlef

Schwarz, Helmut

Polarz, Sebastian

Driess, Matthias

Open Access-Veröffentlichung

Open Access Green

Sammlungen

Chemie

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

Physical Chemistry, Chemical Physics. 2005, 7(5), pp. 1049-1053. ISSN 1463-9076. eISSN 1463-9084. Available under: doi: 10.1039/B415078C

Zusammenfassung

The sequential dissociations of the tetranuclear zinc cluster-ion [(CH3)3Zn4(O-i-C3H7)4]+ obtained by dissociative electron ionization of neutral [(CH3)Zn(O-i-C3H7)]4 are investigated by tandem mass spectrometry. After initial loss of a neutral (CH3)Zn(O-i-C3H7) unit to afford [(CH3)2Zn3(O-i-C3H7)3]+, hydrogen migration leads to the expulsion of neutral acetone concomitant with [(CH3)2Zn3(O-i-C3H7)2(H)]+ as ionic fragment. Unimolecular dissociation of the latter gives rise to [(CH3)2Zn2(O-i-C3H7)]+ and neutral HZn(O-i-C3H7). As demonstrated by collisional ionization of the neutral product, in the fragmentation of the dinuclear cluster [(CH3)2Zn2(O-i-C3H7)]+ neutral CH3ZnH is formed, rather than the more stable fragments Zn þ CH4. From the resulting mononuclear species CH3Zn(OC(CH3)2)+ acetone is eliminated to afford CH3Zn+ as a quasi-terminal fragment ion.

Fachgebiet (DDC)

540 Chemie

Zitieren

ISO 690

SCHRÖDER, Detlef, Helmut SCHWARZ, Sebastian POLARZ, Matthias DRIESS, 2005. Consecutive fragmentations of the cubane-like zinc cluster [CH3Zn(O-i-C3H7)]4 upon electron ionization. In: Physical Chemistry, Chemical Physics. 2005, 7(5), pp. 1049-1053. ISSN 1463-9076. eISSN 1463-9084. Available under: doi: 10.1039/B415078C

BibTex

@article{Schroder2005Conse-9889,
  year={2005},
  doi={10.1039/B415078C},
  title={Consecutive fragmentations of the cubane-like zinc cluster [CH3Zn(O-i-C3H7)]4 upon electron ionization},
  number={5},
  volume={7},
  issn={1463-9076},
  journal={Physical Chemistry, Chemical Physics},
  pages={1049--1053},
  author={Schröder, Detlef and Schwarz, Helmut and Polarz, Sebastian and Driess, Matthias}
}

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