ISSN:
1573-1111
Keywords:
Inclusion compounds
;
X-ray crystal structure analysis
;
coordinatoclathrates
;
carboxylic host
;
guest alcohos
;
hydrogen bonding
Source:
Springer Online Journal Archives 1860-2000
Topics:
Chemistry and Pharmacology
Notes:
Abstract 1,1'-Binaphthyl-2,2'-dicarboxylic acid (1) forms crystalline inclusion compounds with 1-PrOH (2:1) andt-BuOH (1:1). X-ray crystal structures of the two inclusion compounds are reported. Crystals of1·1-PrOH (2: 1) show triclinic ( $$P\bar 1$$ ) symmetry with the unit cell dimensionsa = 10.160(1),b = 14.050(2),c = 15.167(1) Åα = 100.37(1),β = 104.40(1), andγ =94.82(1)°. Crystals of1s·t-BuOH (1: 1) are monoclinic (P21/n) with the cell dimensionsa = 10.603(5),b = 14.377(4),c = 15.664(7) Å,β = 104.24(4)°. In both structures, H-bonded loops involving host −000H functions and guest −OH groups establish the supramolecular association. They relate these coordinatoclathrates to previous alcohol inclusions of1. Due to the unusual 2:1 (host: guest) stoichiometry, additional dimer-like interactions between −000H groups of host molecules are found in the 1-PrOH inclusion compound. From the point of view of topology these structures can be referred to as channel inclusion compounds.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF01133320
