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. Author manuscript; available in PMC: 2014 Sep 25.
Published in final edited form as: Chem Commun (Camb). 2013 Sep 25;49(74):10.1039/c3cc44573a. doi: 10.1039/c3cc44573a

Fig. 4.

Fig. 4

Structures of N,N′-bisthioacylimidazolidine compounds 4 and 5. (A) Crystal structure of 4. (B) Crystal structure of 5. (C) Strong n→π* interaction in 4; magnitude of the overlap integral: 0.1088. (D) Weak n→π* interaction in 4; magnitude of the overlap integral: 0.0305.