Zwei neue Xe(II)‐Derivate (III) und (IV), in denen Xe an das N‐Atom eines elektronegativen Liganden gebunden ist, werden durch Umsetzung von XeF2 mit HN(SO2F)2 bei niedrigeren Temp. erhalten.
Compounds of stoichiometry (pe),(PF,) " , x 0.8CH 2 CI 2 (I)(pe = perylene),(peh(AsF 6 )" x 0.7 CH 2 CI 2 (2), (peh(PF 6 )1.4 x 0:6 THF (3), (peh(AsF6)1.5 x 0.5 THF (4) and (peh(SbF6h x 0.75 CH 2 C1 2 (5) have been obtained as crystalline samples by electrochemical deposition from CH 2 Cl 2 [(I), (2) and (5)J or from THF [(3) and (
The title compound, obtained by the reaction of Pt(2,2'-dipy)zCl 2 with LiTCNQ, crystallizes in the triclinic space group PI with a = 7.891 (7), b --14.247 (2), c = 12.253 (2) A, (l = 130.01 (5), fl = 120.06 (6), ~, = 61.96 (6) °, Z = 1. The structure was solved by Fourier methods and refined by least-squares to R = 0.059, based on 4122 observed reflexions. The structure consists of [Pt(2,2'-dipy)z] 2+ cations and (TCNQ)~-anions. In the anions the unpaired electrons of two TCNQ-radicals form a o-bond of 1.65 A between two methylene C atoms, giving a diamagnetic but easily excitable ground state. A phase transition to a paramagnetic modification is observed at 87 °C.
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