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Figure 9
The primary N—H⋯N inter­actions in the unit cell of (IV)[link], forming C(5) chains as viewed along [100]. H atoms not involved in hydrogen bonding, as well as all F atoms, have been omitted for clarity. Chains are linked about inversion centres by C—H⋯O inter­actions with an R22(10) motif. [Symmetry codes: (i) x − [{1\over 2}], −y − [{1\over 2}], z − [{1\over 2}]; (ii) 2 − x, 1 − y, 1 − z.]

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 65| Part 7| June 2009| Pages o345-o351
doi:10.1107/S010827010902215X
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