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Table 3 Hydrogen-bond geometry in the crystal of compound 4 (Å, °)

From: New bactericide derived from Isatin for treating oilfield reinjection water

D—H···A

D—H

H···A

D···A

D—H···A

N1—H1A···N2i

0cxx.86

2.10

2.831 (8)

142

O2—H2A···O1ii

0.82

1.92

2.698 (5)

159

  1. *Symmetry codes: (i) − x + 1, y + 1/2, −z + 2; (ii) − x + 1, y − 1/2, −z + 2.