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Catena-Poly[[[(2-pyridone-?O)silver(I)]-?-2-pyridone-?O:O] hexa-fluorido-phosphate].

ABSTRACT: The asymmetric unit of the polymeric title salt, {[Ag(C(5)H(5)NO)(2)]PF(6)}(n), comprises an Ag(I) cation (located on a twofold axis), two 2-pyridone ligands (with distinct coordination modes), and half a PF(6) (-) anion (situated on a centre of inversion). The Ag(I) atom is in an approximately octa-hedral AgO(6) coordination geometry, which is stabilized by intra-molecular N-H?O hydrogen bonds. The result of the bridging mode of the 2-pyridone ligand is the formation of a supra-molecular chain along the c axis; these are consolidated in the crystal by C-H?F inter-actions.

SUBMITTER: Arman HD

PROVIDER: S-EPMC2983389 | biostudies-literature | 2010 Sep

REPOSITORIES: biostudies-literature

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catena-Poly[[[(2-pyridone-κO)silver(I)]-μ-2-pyridone-κO:O] hexa-fluorido-phosphate].

Arman Hadi D HD Miller Tyler T Tiekink Edward R T ER

Acta crystallographica. Section E, Structure reports online 20100904 Pt 10

The asymmetric unit of the polymeric title salt, {[Ag(C(5)H(5)NO)(2)]PF(6)}(n), comprises an Ag(I) cation (located on a twofold axis), two 2-pyridone ligands (with distinct coordination modes), and half a PF(6) (-) anion (situated on a centre of inversion). The Ag(I) atom is in an approximately octa-hedral AgO(6) coordination geometry, which is stabilized by intra-molecular N-H⋯O hydrogen bonds. The result of the bridging mode of the 2-pyridone ligand is the formation of a supra-molecular chain ...[more]

PMID: 21587370

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catena-Poly[[[N'-(4-cyano-benzyl-idene)nicotinohydrazide)silver(I)]-μ-N'-(4-cyano-benzyl-idene)nicotinohydrazide] hexa-fluorido-phosphate].

Project description:In the title polymer, {[Ag(C(14)H(10)N(4)O)(2)]PF(6)}(n), each Ag(I) ion is coordinated by two N atoms from two pyridyl rings of independent N'-(4-cyano-benzyl-idene)nicotinohydrazide ligands, and one N atom from one carbonitrile group of a symmetry-related ligand in a distorted T-shaped geometry. The ligands exhibit two modes of coordination. One acts as a bridge connecting Ag atoms to form one-dimensional chains along [01]. The other acts as a terminal monodentate ligand, coordinating to Ag through its pyridyl N atom. Two neighbouring anti-parallel chains in the crystal are connected through N-H⋯O hydrogen bonds. Other adjacent chains are packed via Ag⋯O inter-actions, with Ag⋯O separations of 2.876 (2) Å. In addition, PF(6) (-) counter-anions inter-act with the hydrazone groups through N-H⋯F hydrogen bonds. The PF(6) (-) anion is disordered over two sites, with occupancies of 0.773 (8) and 0.227 (8).

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| S-EPMC3009297 | biostudies-literature

catena-Poly[silver(I)-μ-pyrazolato-κN:N'].

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catena-Poly[[trimethyl-tin(IV)]-μ-phenyl-seleninato-κO:O'].

Project description:In the title polymeric coordination compound, [Sn(CH(3))(3)(C(6)H(5)O(2)Se)](n), the Sn(IV) atom has a distorted trigonal-bipyramidal geometry, with two O atoms of two symmetry-related bridging phenyl-seleninate anions in axial positions and three methyl groups in equatorial positions. In the crystal, the complex exhibits a chain structure parallel to the b axis.

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catena-Poly[[diphenyl-propyl-tin(IV)]-μ-chloroacetato-κO:O'].

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