Hypervalent Pentafluoroethylgermanium Compounds, [(C2F5)(n)GeX5-n](-) and [(C2F5)(3)GeF3](2-) (X=F, Cl; n=2<bold>-5)</bold>
Pelzer S, Neumann B, Stammler H-G, Ignat'ev N, Hoge B (2016)
CHEMISTRY-A EUROPEAN JOURNAL 22(46): 16460-16466.
Zeitschriftenaufsatz
| Veröffentlicht | Englisch
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Autor*in
Pelzer, StefanieUniBi;
Neumann, BeateUniBi;
Stammler, Hans-GeorgUniBi;
Ignat'ev, Nikolai;
Hoge, BertholdUniBi
Abstract / Bemerkung
This paper gives an account on hypervalent fluoro- and chloro(pentafluoroethyl)germanium compounds. The selective synthesis of the tris(pentafluoroethyl)dichlorogermanate salt [PNP][(C2F5)(3)GeCl2] as well as its X-ray structural analysis is described. As a representative example for pentafluoroethylfluorogermanates, the synthesis and structure of 2,4,6-triphenylpyryliumtris(pentafluoroethyl)difluorogermanate [C23H17O][(C2F5)(3)GeF2] is reported. Fluoride-ion affinities for pentafluoroethylgermanes were calculated using quantum chemical methods, disclosing (C2F5)(3)GeF as a weaker Lewis acid than (C2F5)(3)SiF or (C2F5)(3)PF2. The theoretical results were confirmed by experiments and give the basis of a synthetic protocol for (C2F5)(3)GeF. Pentakis(pentafluoroethyl)germanate [PPh4][Ge(C2F5)(5)] was detected as an intermediate during the synthesis of [PPh4][(C2F5)(4)GeF] starting from tris(pentafluoroethyl)difluorogermanate and LiC2F5.
Stichworte
fluoride ion affinity;
fluorine;
germanate;
Lewis acids;
pentafluoroethyl
Erscheinungsjahr
2016
Zeitschriftentitel
CHEMISTRY-A EUROPEAN JOURNAL
Band
22
Ausgabe
46
Seite(n)
16460-16466
ISSN
0947-6539
eISSN
1521-3765
Page URI
https://pub.uni-bielefeld.de/record/2907437
Zitieren
Pelzer S, Neumann B, Stammler H-G, Ignat'ev N, Hoge B. Hypervalent Pentafluoroethylgermanium Compounds, [(C2F5)(n)GeX5-n](-) and [(C2F5)(3)GeF3](2-) (X=F, Cl; n=2<bold>-5)</bold>. CHEMISTRY-A EUROPEAN JOURNAL. 2016;22(46):16460-16466.
Pelzer, S., Neumann, B., Stammler, H. - G., Ignat'ev, N., & Hoge, B. (2016). Hypervalent Pentafluoroethylgermanium Compounds, [(C2F5)(n)GeX5-n](-) and [(C2F5)(3)GeF3](2-) (X=F, Cl; n=2<bold>-5)</bold>. CHEMISTRY-A EUROPEAN JOURNAL, 22(46), 16460-16466. doi:10.1002/chem.201602859
Pelzer, Stefanie, Neumann, Beate, Stammler, Hans-Georg, Ignat'ev, Nikolai, and Hoge, Berthold. 2016. “Hypervalent Pentafluoroethylgermanium Compounds, [(C2F5)(n)GeX5-n](-) and [(C2F5)(3)GeF3](2-) (X=F, Cl; n=2<bold>-5)</bold>”. CHEMISTRY-A EUROPEAN JOURNAL 22 (46): 16460-16466.
Pelzer, S., Neumann, B., Stammler, H. - G., Ignat'ev, N., and Hoge, B. (2016). Hypervalent Pentafluoroethylgermanium Compounds, [(C2F5)(n)GeX5-n](-) and [(C2F5)(3)GeF3](2-) (X=F, Cl; n=2<bold>-5)</bold>. CHEMISTRY-A EUROPEAN JOURNAL 22, 16460-16466.
Pelzer, S., et al., 2016. Hypervalent Pentafluoroethylgermanium Compounds, [(C2F5)(n)GeX5-n](-) and [(C2F5)(3)GeF3](2-) (X=F, Cl; n=2<bold>-5)</bold>. CHEMISTRY-A EUROPEAN JOURNAL, 22(46), p 16460-16466.
S. Pelzer, et al., “Hypervalent Pentafluoroethylgermanium Compounds, [(C2F5)(n)GeX5-n](-) and [(C2F5)(3)GeF3](2-) (X=F, Cl; n=2<bold>-5)</bold>”, CHEMISTRY-A EUROPEAN JOURNAL, vol. 22, 2016, pp. 16460-16466.
Pelzer, S., Neumann, B., Stammler, H.-G., Ignat'ev, N., Hoge, B.: Hypervalent Pentafluoroethylgermanium Compounds, [(C2F5)(n)GeX5-n](-) and [(C2F5)(3)GeF3](2-) (X=F, Cl; n=2<bold>-5)</bold>. CHEMISTRY-A EUROPEAN JOURNAL. 22, 16460-16466 (2016).
Pelzer, Stefanie, Neumann, Beate, Stammler, Hans-Georg, Ignat'ev, Nikolai, and Hoge, Berthold. “Hypervalent Pentafluoroethylgermanium Compounds, [(C2F5)(n)GeX5-n](-) and [(C2F5)(3)GeF3](2-) (X=F, Cl; n=2<bold>-5)</bold>”. CHEMISTRY-A EUROPEAN JOURNAL 22.46 (2016): 16460-16466.
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