New family of thiocyanate-bridged Re(IV)-SCN-M(II) (M = Ni, Co, Fe, and Mn) heterobimetallic compounds: synthesis, crystal structure, and magnetic properties

Inorganic Chemistry
Ricardo GonzálezJuan Faus

Abstract

The heterobimetallic complexes of formula [(Me(2)phen)(2)M(μ-NCS)Re(NCS)(5)]·CH(3)CN [Me(2)phen = 2,9-dimethyl-1,10-phenanthroline and M = Ni (1), Co (2), Fe (3), and Mn (4)] have been prepared, and their crystal structures have been determined by X-ray diffraction on single crystals. Compounds 1-4 crystallize in the monoclinic C2/c space group, and their structure consists of neutral [(Me(2)phen)(2)M(μ-NCS)Re(NCS)(5)] heterodinuclear units with a Re-SCN-M bridge. Each Re(IV) ion in this series is six-coordinated with one sulfur and five nitrogen atoms from six thiocyanate groups building a somewhat distorted octahedral environment, whereas the M(II) metal ions are five-coordinated with four nitrogen atoms from two bidentate Me(2)phen molecules and a nitrogen atom from the bridging thiocyanate describing distorted trigonal bipyramidal surroundings. The values of the Re···M separation through the thiocyanate bridge in 1-4 vary in the range 5.903(1)-6.117(3) Å. The magnetic properties of 1-4 as well as those of the parent mononuclear Re(IV) compounds (NBu(4))(2)[Re(NCS)(6)] (A1) (NBu(4)(+) = tetra-n-butylammonium cation) and [Zn(NO(3))(Me(2)phen)(2)](2)[Re(NCS)(5)(SCN)] (A2) were investigated in the temperature range 1.9-300 K. W...Continue Reading

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Citations

Jun 29, 2017·Inorganic Chemistry·Stefan SuckertChristian Näther
Jun 5, 2015·Dalton Transactions : an International Journal of Inorganic Chemistry·Mario PachecoCarlos Kremer
Jul 17, 2015·Dalton Transactions : an International Journal of Inorganic Chemistry·Julia WernerChristian Näther
Mar 15, 2014·Chemical Communications : Chem Comm·Kasper S PedersenRodolphe Clérac
Feb 12, 2019·Chemical Communications : Chem Comm·Tristan NeumannChristian Näther
Apr 29, 2015·Chemistry : a European Journal·Carolina PejoRicardo González
Nov 17, 2012·Dalton Transactions : an International Journal of Inorganic Chemistry·José Martínez-LilloJuan Faus
Dec 24, 2018·Acta Crystallographica. Section E, Crystallographic Communications·Carsten Wellm, Christian Näther
Jul 5, 2013·Dalton Transactions : an International Journal of Inorganic Chemistry·David A RotschSilvia S Jurisson
Feb 26, 2019·Acta Crystallographica. Section E, Crystallographic Communications·Carsten Wellm, Christian Näther
Nov 11, 2020·Dalton Transactions : an International Journal of Inorganic Chemistry·Carsten WellmChristian Näther
Sep 6, 2017·Inorganic Chemistry·Omotola O OgunsoluKenneth Hanson

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