Complexation of methylparathion and bis(2-hydroxyethyl)sulfide by the tridentate Lewis acid [(o-C6F4Hg)3]
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abstract
The interaction of trimeric perflu-oro-ortho-phenylene mercury (1) with bis(2-hydroxyethyl)sulfide (S((CH 2) 2OH) 2) in dichloromethane and methylparathion (SP(OMe) 2(p-C 6H 4NO 2)) in 1,2-dichloroethane leads to the crystallization of [1 (S((CH 2) 2OH) 2)] and [1 ( 3-SP(OMe) 2(p-C 6H 4-NO 2)) 2], respectively. These two adducts have been characterized by elemental analysis and single crystal X-ray diffraction. The structure of [1 S((CH 2) 2OH) 2] shows that the bis (2-hydroxyethyl) sulfide molecule interacts with the mercury centers of 1 by formation of a Hg-S interaction of 3.138(4) . Association of the two components is further strengthened by the coordination of one of the oxygen atoms of the bis(2-hydroxyethyl)sulfide molecule. This oxygen atom interacts simultaneously with three mercury centers of 1 with Hg-O distances ranging from 2.889(8) to 3.142(9) . In the lattice, molecules of [1 (S((CH 2) 2OH) 2)] associate with compact cofacial dimers with Hg-Hg metallophilic contacts of 3.794 and 4.076 . The structure of [1 ( 3-SP(OMe) 2(p-C 6H 4NO 2)) 2] is that of a 2:1 complex in which two molecules of methylparathion are triply coordinated via their sulfur atom to the mercury centers of 1 on either side of the molecular plane. The Hg-S contacts fall within the range of 3.278 and 3.651 . 2005 Wiley Periodicals, Inc.
