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Figure 2
A molecular view of (I[link]), showing the hydrogen-bonding pattern (dashed line). The two mol­ecules are related by the crystallographic 21 screw axis, with atom O6 of the left-hand mol­ecule hydrogen bonding to atom O1 of a mol­ecule related to the right-hand mol­ecule by a translation along the b axis, leading to the formation of an infinite spiral arrangement along the twofold screw axis. The symmetry code is the same as in Table 2[link].

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 60| Part 11| October 2004| Pages o789-o791
doi:10.1107/S0108270104021602
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