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Bis[benzyl N'-(3-phenyl-prop-2-enyl-idene)dithio-carbazato-?(2)N',S]mercury(II).

ABSTRACT: In the title compound, [Hg(C(17)H(15)N(2)S(2))(2)], the Hg(II) ion lies on a crystallographic twofold rotation axis giving a very distorted tetra-hedral coordination geometry best described as bis-phenoidal, being chelated by two deprotonated N,S Schiff base ligands through the azomethine nitro-gen and the thiol-ate sulfur donors. The dihedral angle between the two chelating ligand moieties is 79.75?(10)°. In the crystal, weak C-H?S inter-actions give rise to chains extending along the c axis.

SUBMITTER: Islam MA

PROVIDER: S-EPMC3393190 | biostudies-literature | 2012 Jul

REPOSITORIES: biostudies-literature

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Bis[benzyl N'-(3-phenyl-prop-2-enyl-idene)dithio-carbazato-κ(2)N',S]mercury(II).

Islam M A A A A MA Reza M S MS Tarafder M T H MT Sheikh M C MC Zangrando E E

Acta crystallographica. Section E, Structure reports online 20120616 Pt 7

In the title compound, [Hg(C(17)H(15)N(2)S(2))(2)], the Hg(II) ion lies on a crystallographic twofold rotation axis giving a very distorted tetra-hedral coordination geometry best described as bis-phenoidal, being chelated by two deprotonated N,S Schiff base ligands through the azomethine nitro-gen and the thiol-ate sulfur donors. The dihedral angle between the two chelating ligand moieties is 79.75 (10)°. In the crystal, weak C-H⋯S inter-actions give rise to chains extending along the c axis. ...[more]

PMID: 22807758

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Project description:In the title Zn(II) complex, [Zn(C(17)H(15)N(2)S(2))(2)], the Zn(II) atom lies on a twofold rotation axis. It exists in a tetra-hedral geometry, chelated by two deprotonated Schiff base ligands. The dihedral angle between each ligand is 71.48?(8)°. Mol-ecules are connected by weak C-H?S inter-molecular inter-actions into chains along the c axis. The crystal structure is further stabilized by C-H?? inter-actions involving the phenyl ring of the 3-phenyl-prop-2-enyl-idene unit.

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Project description:The structure of the title compound, [Ni(C(15)H(14)N(3)S(2))(2)]·H(2)O, has one mol-ecule in the asymmetric unit, along with a solvent water mol-ecule. The two different Schiff base moieties coordinate to the central Ni(II) ion as tridentate N,N',S-chelating ligands, creating a six-coordinate distorted octa-hedral environment [the smallest angle being 77.43?(7)° and the widest angle being 169.99?(7)°]. The mean planes of the two ligands are nearly orthogonal to each other with an angle of 89.53?(6)°. The packing of the complex is supported by O-H?N and O-H?S hydrogen bonding between the solvent water mol-ecule and the uncoordinated N and S atoms of neighbouring ligands.

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