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2 ANIONIC INDIUM(III)-THIOCYANATE COMPLEXES WITH POTASSIUM-CENTERED COMPLEX CATIONS

CARMALT, CJ; CLEGG, W; ELSEGOOD, MRJ; KNEISEL, BO; NORMAN, NC; (1995) 2 ANIONIC INDIUM(III)-THIOCYANATE COMPLEXES WITH POTASSIUM-CENTERED COMPLEX CATIONS. ACTA CRYSTALLOGR C , 51 1254 - 1258.

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Abstract

Crystallization of the product of the reaction between impure samples of In(NCS)(3), prepared from InCl3 and KSCN, and 2,2'-bipyridyl (bipy) in tetrahydrofuran solution gave the complex pentakis(tetrahydrofural)-potassium (2,2'-bipyridyl)tetrakis(isothiocyanato)indate-(III), [K(C4H8O)(5)][In(NCS)(4)(C10H8N2)], composed of a potassium cation coordinated by five thf ligands and one S atom of a thiocyanate group, and an octahedral indium-centred anion in which the bipy N atoms are cis and the four thiocyanates are bonded to indium through their N atoms. Crystallization of samples of impure In(NCS)(3) from pyridine in the presence of 18-crown-6 gave the compound (1,4,7,10,13,16-hexaoxacyclooctadecane)potassium bis(pyridine)tetrakis(isothiocyanato)-indate(III) pyridine solvate, [K(C12H24O6)][In(NCS)(4)-(C5H5N)(2)].2C(5)H(5)N, containing an octahedral indium-centred anion in which the pyridine ligands are trans. The potassium in both complexes arises from the contamination of In(NCS)(3) by the KSCN used in its preparation.

Type:Article
Title:2 ANIONIC INDIUM(III)-THIOCYANATE COMPLEXES WITH POTASSIUM-CENTERED COMPLEX CATIONS
UCL classification:UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Chemistry

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