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Synthesis and Structure of [ n Pr 3 N(CH 2 ) 6 N n Pr 3 ][CuFe 3 Br 3 (SePh) 6 ], [Cu 5 Fe(SePh) 7 (PPh 3 ) 4 ] and [Cu 4 Fe 3 (SePh) 10 (PPh 3 ) 4 ]
Author(s) -
Eichhöfer Andreas,
Fenske Dieter,
OlkowskaOetzel Jolanta
Publication year - 2007
Publication title -
european journal of inorganic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 1434-1948
DOI - 10.1002/ejic.200600631
Subject(s) - chemistry , stoichiometry , crystal structure , crystallography , acetonitrile , selenium , yield (engineering) , copper , cluster (spacecraft) , organic chemistry , metallurgy , materials science , computer science , programming language
CuBr and Fe(OOCCH 3 ) 2 react with PhSeSiMe 3 in acetonitrile in the presence of the diammonium salt [ n Pr 3 N(CH 2 ) 6 N n Pr 3 ]Br 2 to yield ionic [ n Pr 3 N(CH 2 ) 6 N n Pr 3 ][CuFe 3 Br 3 (SePh) 6 ]. The neutral complexes [Cu 5 Fe(SePh) 7 (PPh 3 ) 4 ] and [Cu 4 Fe 3 (SePh) 10 (PPh 3 ) 4 ] were obtained by similar reactions of different stoichiometric mixtures of CuOOCCH 3 and FeCl 2 with PPh 3 and PhSeSiMe 3 . The crystal structures of the compounds were determined by single‐crystal X‐ray analysis to give new structural types of molecular cluster compounds formed by copper, iron and selenium. Thermal treatment of [Cu 5 Fe(SePh) 7 (PPh 3 ) 4 ] and [Cu 4 Fe 3 (SePh) 10 (PPh 3 ) 4 ] resultsin the formation of mixtures of binary Cu 2 Se and ternaryCuFeSe 2 .(© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2007)