Accession Number : ADA262221


Title :   The Structures of the Chiral Dimethylpyridino-18-crown-6-alpha-(1- naphthyl)ethylammonium Perchlorate Complex as Determined by T1 Relaxation and Molecular Modeling.


Descriptive Note : Technical rept.


Corporate Author : BRIGHAM YOUNG UNIV PROVO UT DEPT OF CHEMISTRY


Personal Author(s) : Wang, T ; Bradshaw, J S ; Curtis, J C ; Izatt, R M


Full Text : https://apps.dtic.mil/dtic/tr/fulltext/u2/a262221.pdf


Report Date : 17 Mar 1993


Pagination or Media Count : 12


Abstract : The flexibility of the complexed ligand causes C relaxation times of all periphery carbons to drop without significant selectivity. Rotational energy barrier measurements of the methyl groups of the complexed ligand also show that the (SS)-host-(R)-guest is the more stable complex.


Descriptors :   *LIGANDS , *MOLECULAR STRUCTURE , *RELAXATION , *PERCHLORATES , CATIONS , MEASUREMENT , COMPLEX COMPOUNDS , HYDROGEN BONDS , DROPS , SALTS , PYRIDINES , ETHYL RADICALS , ROTATION , RECOGNITION , AMMONIUM COMPOUNDS , BARRIERS , NUCLEAR MAGNETIC RESONANCE , ENERGY , CARBON , BOUNDARIES


Subject Categories : Organic Chemistry
      Physical Chemistry
      Atomic and Molecular Physics and Spectroscopy


Distribution Statement : APPROVED FOR PUBLIC RELEASE