A General Synthesis of Phosphorus‐ and Arsenic‐Containing Analogues of the Thio‐ and Seleno‐cyanate Anions

A general synthetic protocol for the synthesis of phosphorus‐ and arsenic‐containing analogues of the thio‐ and seleno‐cyanate anions is reported. This procedure allows for the isolation of three unprecedented species: the phosphaethynselenolate, PCSe− (1), the arsaethynthiolate, AsCS− (2), and the...

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2018-07, Vol.57 (27), p.8230-8234
Main Authors: Tambornino, Frank, Hinz, Alexander, Köppe, Ralf, Goicoechea, Jose M.
Format: Article
Language:English
Subjects:
Anions
Arsenic
cyanates
fundamental ions
main-group chemistry
Phosphorus
Synthesis
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Summary:A general synthetic protocol for the synthesis of phosphorus‐ and arsenic‐containing analogues of the thio‐ and seleno‐cyanate anions is reported. This procedure allows for the isolation of three unprecedented species: the phosphaethynselenolate, PCSe− (1), the arsaethynthiolate, AsCS− (2), and the arsaethynselenolate, AsCSe− (3), anions. The structures, electronic properties, and spectroscopic signatures of these species are reported. Heavyweight anions: The isolation of the heavier homologues of cyanate PnCCh− (Pn=P, As; Ch=S, Se) is reported. The isostructural and isoelectronic anions display unprecedented stability and intriguing charge distribution as shown by a combination of spectroscopic and density functional theory methods.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201805348