Figure 2
Part of the crystal structure of (II), showing the formation of a (101) hydrogen-bonded sheet built from R33(12) and R33(22) rings. Atoms marked with an asterisk (*), hash (#), dollar sign ($) or ampersand (&) are at the symmetry positions (−x, + y, − z), (1 − x, + y, − z), (x, 1 + y, z) and (1 + x, y, −1 + z), respectively. |