Christian Burschka, K. Leonhard, H. Werner

• Der Zweikernkomplex C\(_5\)H\(_5\)(PMe\(_3\))Co(\(\mu\)-CO)\(_2\)Mn(CO)C\(_5\)H\(_4\)Me (8) reagiert mit stöchiometrischen Mengen S\(_8\) in praktisch quantitativer Ausbeute zu C\(_5\)H\(_5\)(PMe\(_3\))CoS\(_5\) (4). Der Koba.ltapentathia-Heterocyclus 4 ist ebenfalls aus C\(_5\)H\(_5\)(PMe\(_3\))Co(h\(^2\)-CS\(_2\)) (5) und S\(_8\) zugänglich. 4 kristallisiert monoklin mit den Gitterkonstanten a = 8,467(3) A, b = 12,128(4) A, c = 14,210(4) A und \(\beta\) = 102,20(2)°_ Die Sesselform des sechsgliedrigen CoS\(_5\)-Rings entspricht derjenigen inDer Zweikernkomplex C\(_5\)H\(_5\)(PMe\(_3\))Co(\(\mu\)-CO)\(_2\)Mn(CO)C\(_5\)H\(_4\)Me (8) reagiert mit stöchiometrischen Mengen S\(_8\) in praktisch quantitativer Ausbeute zu C\(_5\)H\(_5\)(PMe\(_3\))CoS\(_5\) (4). Der Koba.ltapentathia-Heterocyclus 4 ist ebenfalls aus C\(_5\)H\(_5\)(PMe\(_3\))Co(h\(^2\)-CS\(_2\)) (5) und S\(_8\) zugänglich. 4 kristallisiert monoklin mit den Gitterkonstanten a = 8,467(3) A, b = 12,128(4) A, c = 14,210(4) A und \(\beta\) = 102,20(2)°_ Die Sesselform des sechsgliedrigen CoS\(_5\)-Rings entspricht derjenigen in den bekannten Verbindungen (C\(_5\)H\(_5\))\(_2\)TiS\(_5\) und (C\(_5\)H\(_5\))\(_2\)VS\(_5\) , wobei in 4 der Cyclopentadienylligand die axiale und die Trimethylphosphingruppe die ä.quatoriale Position einnehmen.…
• The dinuclear complex C\(_5\)H\(_5\)(PMe\(_3\))Co(\(\mu\)-CO)\(_2\)Mn(CO)C\(_5\)H\(_4\)Me (8) reaots with stoichiometric amounts of S\(_8\) to form C\(_5\)H\(_5\)(PMe\(_3\))CoS\(_5\) (4) in practica.lly quantitative yields. The cobalt. apentathia heterocycle 4 is a.lso obtained by the reaction of C\(_5\)H\(_5\)(PMe\(_3\))Co(h\(^2\)-CS\(_2\)) (5) with S\(_8\), Cry. stals of 4 are monoclinic with a = 8.467(3) A, b = 12.128(4) A, c = 14.210(4) A and \(\beta\) = 102.20(2)°. The chair form of the six·membered CoS\(_5\) ringcorresponds to that of theThe dinuclear complex C\(_5\)H\(_5\)(PMe\(_3\))Co(\(\mu\)-CO)\(_2\)Mn(CO)C\(_5\)H\(_4\)Me (8) reaots with stoichiometric amounts of S\(_8\) to form C\(_5\)H\(_5\)(PMe\(_3\))CoS\(_5\) (4) in practica.lly quantitative yields. The cobalt. apentathia heterocycle 4 is a.lso obtained by the reaction of C\(_5\)H\(_5\)(PMe\(_3\))Co(h\(^2\)-CS\(_2\)) (5) with S\(_8\), Cry. stals of 4 are monoclinic with a = 8.467(3) A, b = 12.128(4) A, c = 14.210(4) A and \(\beta\) = 102.20(2)°. The chair form of the six·membered CoS\(_5\) ringcorresponds to that of the compounds (C\(_5\)H\(_5\))\(_2\)TiS\(_5\) and (C\(_5\)H\(_5\))\(_2\)VS\(_5\) In 4, the cyclopentadienyl ligand occupies the axial and the trimethylphosphine group the equatorial position.…