Jan-Feb 1995 Methylation, Oxidation and Crystallographic Characterization of Imidazole Derivatives 229 contacts are present in the crystal packing (Figure 6) of these dimeric units. Figure 5: Atom-numbering scheme, thermal ellipsoids (40%), bond dis- tances (A), and ring bond angles (°) for compound 4. Figure 6: Stereoview of the molecular packing of compound 1. Still lines represent hydrogen bonds. Table 2 Hydrogen Bonding Interactions Atoms 1 2 3 1 3 1—2 2 3 Z 1-2 3 ...
