570394.fig.006a
(a)
570394.fig.006b
(b)
570394.fig.006c
(c)
Figure 6: Contour map of the electron density for (a) single TMG molecule, (b) water dimer, (c) TMG + 1 water complex (TD) by WB97XD/6-31++G(d,p) theory. Hydrogen bond critical points are indicated by filled square symbol, ■ (colour legend: red = oxygen, black = carbon and whitish grey = hydrogen).