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. 2016 Sep 6;6:32898. doi: 10.1038/srep32898

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.