Preparation and characterisation of mononuclear Pd(II) complexes with 1,8-bis(3,5-dimethyl-1-pyrazolyl)-3,6-dithiaoctane (bddo) ligand: Spectroscopy studies and crystal structure of trans-[Pd(SCN)2(bddo)] |
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| Authors: | Antonio de León Josefina Pons Jordi García-Antón Xavier Solans Mercè Font-Bardía Josep Ros |
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| Institution: | 1. Departament de Química, Facultat de Ciències, Unitat de Química Inorgànica, Universitat Autònoma de Barcelona, 08193-Bellaterra-Cerdanyola, Barcelona, Spain;2. Cristal.lografia, Mineralogia i Dipòsits Minerals, Universitat de Barcelona, Martí i Franquès s/n, 08028-Barcelona, Spain |
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| Abstract: | Mononuclear palladium(II) complexes containing a pyrazole-thioether ligand, with general formula trans-Pd(X)2(bddo)] (X = CN− (1), SCN− (2) or N3− (3); bddo = 1,8-bis(3,5-dimethyl-1-pyrazolyl)-3,6-dithiaoctane), have been prepared. Similar reactivity carried out with pyridine or triphenylphosphine has been assayed. When pyridine is used, a mixture of Pd(bddo)(py)2](BF4)2 (4](BF4)2) and Pd(bddo)](BF4)2 is obtained. When triphenylphosphine is used, only Pd(bddo)](BF4)2 is obtained. The complexes have been characterised by elemental analyses, conductivity measurements, IR and NMR spectroscopies. X-ray crystal structure of trans-Pd(SCN)2(bddo)] (2) is presented. In this complex the metal atom is coordinated by the two azine nitrogen atoms of the pyrazole rings and two SCN− anions in trans disposition. |
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| Keywords: | N S ligand Palladium Crystal structure |
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