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Figure 2
Helical hydrogen-bonded ladder composed of (8) and (10). Symmetry codes: i: x + 1,y,z; ii: x − 1,y,z; v: −x + 1,-y + 1,-z + 1; vii: −x + ,y − 1/2,-z + ; viii: x − ,-y − ,-z − ; ix: −x + ,y + 1/2,-z + ; x: −x + ,y − 1/2,-z + xi: −x + ,y + 1/2,-z + , xii: x + 1, y + 1,z; xiii: x,y + 1,z; xiv: −x + ,y + 1/2,-z + , xv: x − ,-y + ,z − 1/2 |


journal menu![[Figure 2]](ds2181fig2.jpg)
(8) and
(10). Symmetry codes: i:
,
,-
,
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