Abstract
Crystals of bis(acridine)dimercury(1)
perchlorate, [Hg2(C13H9N)2] (ClO4)2
are monoclinic, a = 10.629(1), b = 16.841(2), c = 7.142(1) �, β = 99.06(2)�, space group I2/m
with Z = 2 dimeric formula units. The structure was solved from
three-dimensional diffractometer X-ray data(1427 independent
reflections), block-diagonal least-squares refinement of all atoms, including hydrogens,
converging at R = 0.028. The mercury dimer, Hg-Hg 295177(5)�, is coordinated in
the axial positions by the acridine molecules, Hg-N
2.150(5) �, the cation having C2h symmetry.There are also two long
contacts from each mercury atom to oxygen atoms of the perchlorate ions, Hg-0
2.958(6) �. Evidence for a metal-ligand steric interaction is presented.
Cited by
14 articles.
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