First structurally characterized self-assembly of bipodal N-thiophosphorylated bis-thiourea with CoII: Magnetic properties and thermal decomposition

Damir A. Safin, Maria G. Babashkina, Antoine P. Railliet, Nikolay A. Tumanov, Koen Robeyns, Eamonn Devlin, Yiannis Sanakis, Yaroslav Filinchuk, Yann Garcia

Résultats de recherche: Contribution à un journal/une revueArticleRevue par des pairs

Résumé

Reaction of piperazine with isothiocyanate (iPrO)2P(S)NCS leads to N-thiophosphorylated bis-thiourea (iPrO)2P(S)NHC(S)NC 4H8NC(S)NHP(S)(OiPr)2 (H2L). Recrystallization of H2L from DMSO leads to the formation of the new ligand (iPrO)2P(S)NC4H8NP(S)(OiPr)2 (1). Reaction of doubly deprotonated L with CoII leads to the [Co2L2] complex. The thermal properties of [Co 2L2] in an air atmosphere were studied by means of TGA with the observed final residue corresponding to [CoPS3]2. The crystal structure of [Co2L2] was elucidated by single crystal X-ray diffraction. Two metal cations are in a tetrahedral 1,5-S 2S′2 environment formed by the CS and PS sulfur atoms. Investigation of the temperature dependence of the magnetic susceptibility is consistent with two effectively non-interacting Co II S = 3/2 ions.

langue originaleAnglais
Pages (de - à)5532-5538
Nombre de pages7
journalDalton Transactions
Volume42
Numéro de publication15
Les DOIs
Etat de la publicationPublié - 21 avr. 2013
Modification externeOui

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