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Figure 3 . C—H⋯O hydrogen bonding inter­actions between 4,4'-bipyridine-N,N'-dioxide ligands and between CH2Cl2 solvate mol­ecules and nitrate anions. These inter­actions are responsible for linking together ladders that lie in the same plane. Hydrogen bonds are shown as dashed red lines. Color scheme: Nd: green, C: grey, H: white, N: blue, O: red, Cl: yellow. Symmetry code: (v) −x+1, −y+2, −z+2.

Journal logoCRYSTALLOGRAPHIC
COMMUNICATIONS
ISSN: 2056-9890
Volume 66| Part 9| September 2010| Pages m1156-m1157
https://doi.org/10.1107/S1600536810033246
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