Chemical Science
Edge Article
[P3Se4]+ being the rst phosphorus chalcogen cation at all.
Theoretical investigations show, that the [EP3]+ tetrahedra can
be understood as clusters similar to P4 and AsP3 as indicated by
their MO diagrams, AIM analyses and calculated NICS values.
The unusually high-eld shied 77Se- and 125Te-NMR shis may
4 C. Schwarzmaier, M. Sierka and M. Scheer, Angew. Chem., Int.
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5 M. H. Holthausen, K.-O. Feldmann, S. Schulz, A. Hepp and
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P. Jerabek and G. Frenking, Theor. Chem. Acc., 2014, 133,
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7 B. M. Cossairt and C. C. Cummins, J. Am. Chem. Soc., 2009,
131, 15501.
8 A. E. Seitz, F. Hippauf, W. Kremer, S. Kaskel and M. Scheer,
Nat. Commun., 2018, 9, 361.
arise from a synergistic p-interaction between formal E0 and P3
+
fragments.
Conflicts of interest
There are no conicts to declare.
Acknowledgements
9 T. A. Engesser, W. J. Transue, P. Weis, C. C. Cummins and
I. Krossing, Eur. J. Inorg. Chem., 2019, 2019, 2607.
¨
This work was supported by the Albert-Ludwigs-Universitat
Freiburg and by the DFG in the Normalverfahren. We would like
¨
10 A. Wiesner, S. Steinhauer, H. Beckers, C. Muller and
S. Riedel, Chem. Sci., 2018, 9, 7169.
¨
to thank Fadime Bitgul and Dr Arthur Martens for the
11 (a) M. Baitinger, Y. Grin, R. Kniep and H. G. von Schnering,
Z. Kristallogr., 1999, 214; (b) M. Baitinger, K. Peters,
M. Somer, W. Carrillo-Cabrera, Y. Grin, R. Kniep and
H. G. von Schnering, Z. Kristallogr., 1999, 214; (c) A. Betz,
measurement of NMR spectra and Dr Daniel Himmel for valu-
able discussions concerning the DFT and ab initio calculations.
¨
H. Schafer, A. Weiss and R. Wulf, Z. Naturforsch., B: Anorg.
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10786 | Chem. Sci., 2019, 10, 10779–10788
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