The reaction between 1,3-dimethyl-4-imidazoline-2-selone (2) and ICN gave the adduct 2·ICN, whose crystal structure features dimers made up of two [2·CN]+ and two I− which strongly interact. Hybrid DFT calculations on the adduct 2·ICN, on the cation [2·CN]+, and on the dimer (2·ICN)2 account for a partially hypervalent selenium atom in 2·ICN and for the observed structural features.
First ICN adduct with a selenium donor (R=Se): Is it an ionic [RseCN]+I– or a “T-shaped” R(I)SeCN hypervalent compound?
ARAGONI, MARIA CARLA;ARCA, MASSIMILIANO;ISAIA, FRANCESCO;LIPPOLIS, VITO;
2004-01-01
Abstract
The reaction between 1,3-dimethyl-4-imidazoline-2-selone (2) and ICN gave the adduct 2·ICN, whose crystal structure features dimers made up of two [2·CN]+ and two I− which strongly interact. Hybrid DFT calculations on the adduct 2·ICN, on the cation [2·CN]+, and on the dimer (2·ICN)2 account for a partially hypervalent selenium atom in 2·ICN and for the observed structural features.
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