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2. Pyridine Adducts of Tricyano‐ and Dicyanoboranes

Author

Riefer, Jarno, primary, Zapf, Ludwig, additional, Wirthensohn, Raphael, additional, Hennig, Philipp T., additional, Ribbeck, Tatjana, additional, Sprenger, Jan A. P., additional, Ignat’ev, Nikolai V., additional, and Finze, Maik, additional

Published
2023
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5. cAAC‐Stabilized 9,10‐diboraanthracenes—Acenes with Open‐Shell Singlet Biradical Ground States

Author

Saalfrank, Christian, primary, Fantuzzi, Felipe, additional, Kupfer, Thomas, additional, Ritschel, Benedikt, additional, Hammond, Kai, additional, Krummenacher, Ivo, additional, Bertermann, Rüdiger, additional, Wirthensohn, Raphael, additional, Finze, Maik, additional, Schmid, Paul, additional, Engel, Volker, additional, Engels, Bernd, additional, and Braunschweig, Holger, additional

Published
2020
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6. cAAC‐stabilisierte 9,10‐Diboraanthracene – offenschalige Singulettbiradikale

Author

Saalfrank, Christian, primary, Fantuzzi, Felipe, additional, Kupfer, Thomas, additional, Ritschel, Benedikt, additional, Hammond, Kai, additional, Krummenacher, Ivo, additional, Bertermann, Rüdiger, additional, Wirthensohn, Raphael, additional, Finze, Maik, additional, Schmid, Paul, additional, Engel, Volker, additional, Engels, Bernd, additional, and Braunschweig, Holger, additional

Published
2020
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10. Lead(II) Tetracyanidoborates with Pb2O2 Dimers Embedded in Network Structures.

Author

Siegesmund, Antje, Küppers, Torsten, Graf, Roland, Hennig, Philipp T., Wirthensohn, Raphael, Sprenger, Jan A. P., Finze, Maik, and Köckerling, Martin

Abstract

First lead(II) tetracyanidoborates were synthesized and the crystal structures of [Pb2(H2O)4{B(CN)4}4] (1) and [Pb2(O2CCH3)2{B(CN)4}2(C2H5OH)2] (2) were determined by X‐ray diffraction. Both compounds contain dinuclear centrosymmetric Pb2O2 cores. The Pb(II) ions in both compounds have heteroleptic holodirected coordination environments constituted by three O and five N atoms (O3N5) in 1 different from that in 2, which is constituted by four O and four N atoms (O4N4). In 1 the bridging O atoms of the Pb2O2 unit belong to the water ligands, whereas in 2 one O atom of each of the two acetate ligands has the bridging functionality whereas the second one is terminally bonded, i. e. the acetate ligand coordinates in a μ2‐η2:η1 fashion. In 2, all four N atoms of the tetracyanidoborate anion are coordinated to neighboring Pb2O2 units, whereas in 1 free cyanido groups exist. Nevertheless, in both structures the dinuclear Pb units are three‐dimensionally interconnected, i. e. they are Pb(II) coordination networks. On heating compound 1 loses the aqua ligands and anhydrous Pb[B(CN)4]2 forms. [ABSTRACT FROM AUTHOR]

Published
2021
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