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. Author manuscript; available in PMC: 2015 Feb 19.
Published in final edited form as: Tetrahedron Lett. 2014 Feb 19;55(8):1467–1470. doi: 10.1016/j.tetlet.2014.01.054

Figure 7.

Figure 7

Optimized structure of (a) [L(F)]− showing a 1:1 complex, and [H3L(F)2]+ showing a 1:2 complex calculated at M06-2X level of theory with a polarized 6–31g(d,p) basis set.