Poly[[bis[mu(2)-N,N `-bis(2-pyridylmethyl)-oxalamide-kappa N-4,O:N `,O `][mu(2)-N,' N-bis(2-pyridylmethyl)oxalamide-kappa N-2:N `]disilver(I)] bis(trifluoromethanesulfonate)]

Arman, H.D. and Miller, T. and Poplaukhin, P. and Tiekink, E.R.T. (2010) Poly[[bis[mu(2)-N,N `-bis(2-pyridylmethyl)-oxalamide-kappa N-4,O:N `,O `][mu(2)-N,' N-bis(2-pyridylmethyl)oxalamide-kappa N-2:N `]disilver(I)] bis(trifluoromethanesulfonate)]. Acta Crystallographica Section E: Structure Reports Online, 66 (9). MM1167-U1167. ISSN 1600-5368,

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The asymmetric unit of the title salt, [Ag(C14H14N4O2)(1.5)]-(CF3SO3), comprises a Ag+ cation, three half-molecules of N,N'-bis(2-pyridylmethyl)oxalamide (each of which is disposed about a centre of inversion) and a trifluoromethanesulfonate anion. Distinct coordination modes are found for the bridging ligands, i.e., a mu(2),kappa(2) -bridging mode involving pyridine N atoms for one ligand, and a mu(2),kappa(4)-bridging mode, employing both pyridine N and amide O atoms for the remaining ligands. The Ag+ cations, which are in a distorted square-pyramidal coordination, and the ligands combine to form a two-dimensional array parallel to (101); these arrays are connected into a three-dimensional structure by trifluoromethanesulfonate anions via N-H center dot center dot center dot O, C-H center dot center dot center dot O, and C-F center dot center dot center dot O interactions.

Item Type: Article
Subjects: Q Science > Q Science (General)
Depositing User: Mr Faizal 2
Date Deposited: 27 Jan 2015 07:54
Last Modified: 31 Jan 2019 01:09
URI: http://eprints.um.edu.my/id/eprint/12408

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