Fig. 4: Surface adsorption configurations.
From: Facet effect of hematite on the hydrolysis of phthalate esters under ambient humidity conditions

The monodentate coordination mode of dimethyl phthalate (DMP) on the slab model of {001}-layer 1 (a); the bidentate coordination modes of DMP on the slabs of {104}-layer 1 (b), and {012}-layer 1 with O-defects (c).