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	STUDIA CHEMIA - Issue no. 4,%20Tom%20I / 2017

	Article:	HYPERCOORDINATED ORGANOSELENIUM COMPOUNDS WITH O→Se INTRAMOLECULAR INTERACTIONS. Authors: ALEXANDRA POP, ROXANA A. POPA, CRISTIAN SILVESTRU, ANCA SILVESTRU.


	Abstract: Single-crystal X-ray diffraction studies revealed a monomeric structure with O→Se intramolecular coordination in compounds [Me2C(OH)CH2][2-(Me2NCH2)C6H4]Se (1) and [2-(O=CH)C6H4]Se[S(S)P(OPri)2] (2). These interactions result in distorted T-shaped coordination geometries around selenium in both compounds and prevent a C,N-chelating behavior of the 2-(Me2NCH2)C6H4 group in 1 and a bidentate behaviour of the dithiophosphorus ligand in 2, respectively. Keywords: organoselenium compounds; intramolecular coordination; solid state structure; dithiophosphato ligands.




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