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Tripotassium bis-(acetato-?O,O')(thio-cyanato-?N)plumbate(II) dithio-cyanate.

ABSTRACT: In the crystal structure of the title salt, K(3)[Pb(CH(3)COO)(2)(NCS)](NCS)(2), the [Pb(CH(3)COO)(2)(NCS)](-) anion exists as a covalently bonded entity in which the acetate anions chelate in an anisobidentate manner. The Pb atom shows a distorted ?-octa-hedral coordination to four acetate O atoms and one isocyanate N atom, with the stereochemically active lone pair occupying one of the six sites. When the three longer Pb?S inter-actions are considered, the eight-coordinate geometry is based on a dodeca-hedron. The Pb(CH(3)COO)(2)(NCS)](-) anion has mirror symmetry. The potassium cations connect the other constituents into a three-dimensional network through electrostatic K?N and K?S inter-actions.

SUBMITTER: Ng SW

PROVIDER: S-EPMC2969246 | biostudies-literature | 2009 Jun

REPOSITORIES: biostudies-literature

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Tripotassium bis-(acetato-κO,O')(thio-cyanato-κN)plumbate(II) dithio-cyanate.

Ng Seik Weng SW

Acta crystallographica. Section E, Structure reports online 20090610 Pt 7

In the crystal structure of the title salt, K(3)[Pb(CH(3)COO)(2)(NCS)](NCS)(2), the [Pb(CH(3)COO)(2)(NCS)](-) anion exists as a covalently bonded entity in which the acetate anions chelate in an anisobidentate manner. The Pb atom shows a distorted ψ-octa-hedral coordination to four acetate O atoms and one isocyanate N atom, with the stereochemically active lone pair occupying one of the six sites. When the three longer Pb⋯S inter-actions are considered, the eight-coordinate geometry is based on ...[more]

PMID: 21582691

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