Table 2. Hydrogen bonds geometry of complexes 1 and 2 [Å, °].
D—H•••A | d(D-H) | d(H•••A) | d(D•••A) | <(DHA) |
Compound 1 | ||||
C11—H11A•••O3i | 0.99 | 2.55 | 3.283(8) | 130 |
Compound 2 | ||||
O5—H5O•••O1ii | 0.81 | 1.80 | 2.611(4) | 180 |
C13—H13•••O4iii | 0.95 | 2.54 | 3.470(6) | 168 |
C18—H18•••O3iv | 0.95 | 2.48 | 3.329(7) | 148 |
Symmetry transformations used to generate equivalent atoms: (i) −x, −y, −z; (ii) 1 − x, 2 − y, 1 − z; (iii) 1/2 − x, −1/2 + y, 3/2 − z; (iv) 1−x, 1 − y, 1 − z.