Figure 1
The molecular structure of the co-crystal, (I), of BPPY with fumaric acid. Displacement ellipsoids are drawn at the 50% probability level. The symmetry-generated atoms C28A, C27A, O2A, O3A and H2AA have been included for completeness [symmetry code: (A) 1 − x, 1 − y, 1 − z]. |