
%0 Journal Article
%A Deacon, GB 
%A Gatehouse, BM 
%A Ireland, J 
%T Organoamidometallics. V. Syntheses of [N,N-diethyl-N'-polyfluorophenyl-ethane-1,2-diaminato(1-)]platinum(II) Complexes by Decarboxylation Reactions, and the X-Ray Crystal Structure of <I>trans</I>-[Pt(NC<sub>6</sub>F<sub>5</sub>CH<sub>2</sub>CH<sub>2</sub>Net<sub>2</sub>)I(Py)]
%J Australian Journal of Chemistry
%D 1991/12/01
%V 44
%N 12
%P 1669-1681
%K 
%R https://doi.org/10.1071/CH9911669
%U https://www.publish.csiro.au/paper/CH9911669 
%X From reactions between PtX2( deen ) (X=I, Br or Cl ; deen = N,N-diethylethane-1,2-diamine), thallous pentafluorobenzoate or 2,3,5,6-tetrafluorobenzoate, and the appropriate polyfluorobenzene in pyridine (py) or 4-methylpyridine ( mepy ), the organoamidoplatinum (II) complexes [Pt(NRCH2CH2Net2)X(L)](R = p-HC6F4 or C6F5, X = 1, Br or Cl , L = py; R = p-HC6F4, X = I, L = mepy ; R = p-MeC6F4 or p-IC6F4, X = I, L = py; R = 2,3,5-F3C6H2, X = Br, L = py) have been prepared. The X-ray crystal structure of [Pt(NC6F5CH2CH2Net2)I(py)](triclinic, space group P&#299; (No. 2), a 9.308(1), b 9.615(2), C 11.143(2)&#506;, &#945; 88.70(2),&#946; 88.58(1), &#947; 89.60(2)&#176;, R 0.0518, Rw 0.0704 for 3237 observed reflections) shows the complex to have square planar stereo-chemistry with py trans to NEt2 and NC6F5 trans to iodine. The stereochemistry of the amido nitrogen approaches triangular (sum of angles 353&#176;) and the N-C6F5 bond has partial double-bond character. Surprisingly, the ethyl substituents have a configuration in which the methyl groups are orientated back towards platinum. Other [Pt(NRCH2CH2Net2)X(L)] complexes are considered to have similar stereochemistry on the basis of comparison of spectroscopic data, particularly 3JPt,H(py) and 3JPt,H(CH2) coupling constants. 
