Figure 7
View of the sheet formed by the interconnection of three C—H⋯O hydrogen bonded chains in compound (2b). Hydrogen atoms not involved in the hydrogen bonding have been omitted for clarity. [Symmetry codes (from bottom to top rows and left to right). Bottom: −x + 1, y − , −z + ; −x + 1, y + , −z + . Middle: x, −y, z; x, y, z; x, y + 1, z. Top: −x, y − , −z + ; −x, y + , −z + .] |