Chalcogen-bonded donor–acceptor complexes of 5,6-dicyano[1,2,5]selenadiazolo[3,4-<i>b</i>]pyrazine with halide ions
Ekaterina A. Radiush, Elena A. Pritchina, Elena A. Chulanova, Alexey A. Dmitriev, Irina Yu. Bagryanskaya, Alexandra M. Z. Slawin, J. Derek Woollins, Nina P. Gritsan, Andrey V. Zibarev, Nikolay A. Semenov
Abstract
With halides X − (X = Cl, Br, I) 5,6-dicyano-[1,2,5]selenadiazolo[3,4- b ]pyrazine 1 forms chalcogen-bonded complexes [1–X] − structurally defined by XRD. UV/Vis spectra of [1–X] − feature red-shifted charge-transfer bands in the Vis part.
Topics & Concepts
ChemistryChalcogenPyrazineHalideAcceptorIonCrystallographyStereochemistryInorganic chemistryOrganic chemistryPhysicsCondensed matter physicsSynthesis and Characterization of Heterocyclic CompoundsPhenothiazines and Benzothiazines Synthesis and ActivitiesStructural and Chemical Analysis of Organic and Inorganic Compounds