Nature of Bonding in Donor–Acceptor Interactions Exemplified by Complexes of N-Heterocyclic Carbenes with 1,2,5-Telluradiazoles

Nikolay A. Pushkarevsky, Pavel A. Petrov, Denis S. Grigoriev, Anton I. Smolentsev, Lucia M. Lee, Florian Kleemiss, Georgy E. Salnikov, Sergey N. Konchenko, Ignacio Vargas-Baca, Simon Grabowsky, Jens Beckmann, Andrey V. Zibarev

Результат исследования: Научные публикации в периодических изданияхстатья

13 Цитирования (Scopus)

Аннотация

Comprehensive structural, spectroscopic, and quantum chemical analyses of new donor–acceptor complexes between N-heterocyclic carbenes and 1,2,5-telluradiazoles and a comparison with previously known complexes involving tellurenyl cations showed that the dative C−Te bonds cannot be solitarily described with only one Lewis formula. Canonical Lewis formulas that denote covalency and arrows emphasizing ionicity complement each other in varying extents. Evaluation of the relative weights of these resonance forms requires proper bonding description with a well-balanced toolbox of analytical methods. If for conciseness only, one resonance form is used, it must be the most significant one according to the analytical evaluation. If unclear, all significant resonance forms should be displayed.

Язык оригиналаанглийский
Страницы (с-по)10987-10991
Число страниц5
ЖурналChemistry - A European Journal
Том23
Номер выпуска46
DOI
СостояниеОпубликовано - 16 авг 2017

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