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Mechanistic Insights into a Gas–Solid Reaction in Molecular Crystals: The Role of Hydrogen Bonding
Author(s) -
Mínguez Espallargas Guillermo,
van de Streek Jacco,
Fernandes Philippe,
Florence Alastair J.,
Brunelli Michela,
Shankland Kenneth,
Brammer Lee
Publication year - 2010
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201003265
Subject(s) - hydrogen bond , halogen bond , chemisorption , acceptor , halogen , chemistry , hydrogen , salt (chemistry) , crystallography , inorganic chemistry , molecule , materials science , organic chemistry , adsorption , physics , alkyl , condensed matter physics
Hydrogen bonding leads the way : Reaction of nonporous crystalline coordination compound 1 with HCl gas results in conversion into the crystalline salt 2 (see picture) following chemisorption and insertion of HCl into CuN bonds. Powder diffraction studies show that [CuBr 2 Cl 2 ] 2− ions formed in 2 are reoriented to maximize the strength of hydrogen bonds and halogen bonds by preferentially involving Cl rather than Br ligands as acceptor sites.