299 Crystal Engineering of Materials Built of Lewis Acids and Neutral Organic Molecules

Thursday, November 5, 2009: 1:40 PM
Ballroom C+D (Camino Real Hotel)
Tatiana V. Timofeeva , Department of Chemistry, New Mexico Highlands University, Las Vegas, NM
Andrey Yakovenko , Department of Chemistry, New Mexico Highlands University, Las Vegas, NM
Jose Gallegos , Department of Chemistry, New Mexico Highlands University, Las Vegas, NM
Mikhail Antipin , Department of Chemistry, New Mexico Highlands University, Las Vegas, NM

Adducts of bidentate and tridentate Lewis acids (I-III) are known for about three decades. Nevertheless their coordination chemistry, supramolecular organization and properties, related to such organization, were studied in details relatively recently. Several aspects of structure and properties of I-III adducts with nitro aromatic compounds and esters will be considered. We

were looking in particular for supramolecular organization that can modify centrosymmetric structure of individual material into acentric structure of adduct. Such approach can be used to organize strongly polarized molecules in parallel manner and make corresponding materials useful for practical applications as optoelectronic materials in form of crystals or thin film. It was found that number of acentric crystals in the series of II is higher than statistical expectation. We also found direct connection between supramolecular structure of adducts with II and morphology of these crystals.