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Figure 3
A projection diagram, normal to the bc plane, showing the hydrogen bonding (dashed lines) between urea mol­ecules in (IV)[link]. Displacement ellipsoids are drawn at the 50% probability level. Boundary ellipses denote atoms O5, N1, N2 and C21, boundary and principal ellipses denote atoms O6, N3, N4 and C22, and octant-shaded ellipsoids denote atoms O7, N5, N6 and C23.

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 66| Part 10| September 2010| Pages m294-m299
doi:10.1107/S0108270110035602
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