The Journal of Physical Chemistry. Vol. 98, No. 19. 1994 4971 spacings observed-4.1, 3.6, and 2.5. &-were assigned to the (1.1).(0, 2), and (2, 0) reflections (Figure3), yieldinga rectangular cell with dimensions a= 5.0. & and b= 7.2 A, in keeping with theobserved cell dimensions ofalcohol monolayers. 19~" The unit cell dimensionsand thearea per molecule (ab/2) of 18 AZ suggest that themoleculesarealignedapproximately vertical and certainly ...
