Abstract
The HgII ion in the title centrosymmetric dinuclear complex, [Hg2Cl4(C13H12N2)2]·[HgCl2], adopts a distorted square-pyramidal geometry, being coordinated by the bis-chelating N-heterocyclic ligand, two bridging Cl atoms and one terminal Cl atom. One of the bridging Hg—Cl bonds [2.8428 (11) Å] is significantly longer than the other [2.5327 (10) Å]. In the crystal, there are weak π–π interactions [centroid–centroid distance = 3.630 (3) Å] between the aromatic rings of the discrete units. The HgCl2 adduct molecule is located on an inversion centre and has an Hg—Cl bond length of 2.2875 (11) Å.
Highlights
[Hg2Cl4(C13H12N2)2][HgCl2], adopts a distorted square-pyramidal geometry, being coordinated by the bis-chelating Nheterocyclic ligand, two bridging Cl atoms and one terminal Cl atom
The HgCl2 adduct molecule is located on an inversion centre and has an Hg—Cl bond length of
Symmetry codes: (i) −x, −y+1, −z; (ii) −x, −y+2, −z
Summary
Information and Display Materials, Pusan National University, Busan 609-735, Republic of Korea, bDepartment of Chemistry, Pusan National University, Busan. R factor = 0.025; wR factor = 0.055; data-to-parameter ratio = 21.9. [Hg2Cl4(C13H12N2)2][HgCl2], adopts a distorted square-pyramidal geometry, being coordinated by the bis-chelating Nheterocyclic ligand, two bridging Cl atoms and one terminal Cl atom. One of the bridging Hg—Cl bonds [2.8428 (11) Å] is significantly longer than the other [2.5327 (10) Å]. There are weak – interactions [centroid–centroid distance = 3.630 (3) Å] between the aromatic rings of the discrete units. The HgCl2 adduct molecule is located on an inversion centre and has an Hg—Cl bond length of
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