Bulletin of the Chemical Society of Japan
Online ISSN : 1348-0634
Print ISSN : 0009-2673
ISSN-L : 0009-2673
A Pair of Trans and Cis Isomers of Platinum(II) Schiff Base Complex with N, S Chelate Containing Ferrocenyl Pendant Groups
Isoroku NagasawaTatsuya KawamotoHiro KumaYoshihiko Kushi
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1998 Volume 71 Issue 6 Pages 1337-1342

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Abstract

The reaction of bis(hexafluoroacetylacetonato)platinum(II) with 2-(ferrocenyl)benzothiazoline affords trans and cis isomers of platinum(II) Schiff base complex, trans-[Pt(fabt)2] (1) and cis-[Pt(fabt)2] (2) (fabt = 2-(ferrocenylmethyleneamino)benzenethiolato). The structures of 1 and 2 have been determined by the single crystal X-ray diffraction method. Crystal data for complex 1 are triclinic with space group ; a = 15.283(15), b = 13.180(8), c = 9.847(12) Å; α = 72.91(6), β = 98.02(9), γ = 94.95(6)°; V = 1875.2(30) Å3; Z = 2. Crystal data for complex 2 are orthorhombic with space group P212121; a = 20.593(7), b = 12.300(5), c = 11.754(4) Å; V = 2977.0(18) Å3; Z = 4. The complex 1 has a trans-planar N2S2 configuration and two fabt groups take an unique umbrella conformation. On the other hand, the complex 2 has a cis-planar N2S2 configuration and two fabt groups take a helical geometry with a stepped conformation. The space group P212121, Z = 4 for 2 indicates that 2 is spontaneously resolved.

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© 1998 The Chemical Society of Japan
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