H3O2- bridging in a Pt(IV) nucleobase complex leading to infinite chains: trans,trans,trans-[Pt(NH3)(2)-(1-MeU)(2)(H3O2)](n)(NO3)(n)center dot(4H(2)O)(n) (1-MeU=1-methyluracilate)

被引：15
作者：
Lianza, F
Albinati, A
Lippert, B
机构：
[1] UNIV MILAN,IST CHIM FARMACEUT,I-20131 MILAN,ITALY
[2] UNIV DORTMUND,FACHBEREICH CHEM,D-44221 DORTMUND,GERMANY
来源：
INORGANICA CHIMICA ACTA | 1997年 / 255卷 / 02期
关键词：
platinum complexes; ammine complexes; nucleobase complexes; uracil complexes; crystal structures;
D O I：
10.1016/S0020-1693(96)05381-9
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The X-ray crystal structure determination of a Pt(IV) nucleobase complex, trans,trans,trans-[Pt(NH3)(2)(1-MeU)(2)(H3O2)](n)(NO3)(n) .(4H(2)O)(n) (1-MeU = 1-methyluracilate-N3) is reported. The compound, obtained upon recrystallization of trans,trans,trans-[Pt(NH3)(2)(1-MeUH)(2)(OH)(2)](NO3)(2) (1-MeUH = neutral 1-methyluracil-N3) from water, crystallizes in the triclinic system, space group P-1 with two independent cations in the unit cell: a = 7.3023(8), b = 10.1470(20), c = 13.4220(20) Angstrom, alpha = 78.800(17), beta = 83.580(9), gamma = 78.930(10)degrees, V = 954.6(3) Angstrom(3), Z = 2. Description of its solid state structure as a H2O2- compound rather than a genuine mixed H2O,OH- complex is based on the presence of very short H bonds of 2.450(6) Angstrom between the oxygens of axial aqua and hydroxo ligands of adjacent Pt(IV) cations, leading to infinite chains.
引用
收藏
页码：313 / 318
页数：6
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