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Figure 2
The inter­molecular N1—H1⋯O1 hydrogen bonds in (I)[link] (dotted lines), linking the mol­ecules into a twofold helix in the [010] direction. The two (equivalent) linked mol­ecules are viewed approximately down the b axis; extension of the chain to the N1—H1 unit above and to atom O1 below is also shown. Ellipsoids are shown at the 30% probability level. [Symmetry codes: (i) −x, y + [{1\over 2}], −z − [{1\over 2}]; (iii) x, y + 1, z; (iv) −x, y + [{1\over 2}], z − [{1\over 2}].]

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 67| Part 8| July 2011| Pages o273-o277
doi:10.1107/S0108270111023985
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