COORDINATION CHEMISTRY OF METHYLMERCURY(II) WITH FLEXIBLE TRIPOD LIGANDS CONTAINING PYRIDYL AND N-METHYLIMIDAZOLYL GROUPS, INCLUDING THE CRYSTAL-STRUCTURE OF [BIS(N-METHYLIMIDAZOL-2-YL)(PYRIDIN-2-YL)METHANOL-N,N',N'']METHYLMERCURY(II) NITRATE, [MEHG(PY(N-MEIM)2COH)]NO3

In its complexes with tripod ligands containing pyridine and W-methylimidazole groups studied crystallographically, [MeHgL]NO3 (L = (py)3COH, (py)2(JV-MeIm)COH)³ the ligands are present as tridentales. The complexes have one strong Hg-N coordination interaction and two weaker Hg-N interactions. However, in the (7V-MeIm)3COH complex, MeHg11 is bound to one iV-Melm group and weakly to the hydroxy group, with two N--MeIm groups uncoordinated.⁴. © 1984, American Chemical Society. All rights reserved.