The relative coordinating ability of some weak O-donor anions and water towards the [Pt(terpy)]2+ (terpy=2,2':6',2"-terpyridine) center -: X-ray crystal structures of [Pt(terpy)(H2O)](CF3SO3)2 and [Pt2(μ-OH)(terpy)2](PF6)2(CF3SO3)

被引：14
|
作者：
Annibale, Giuliano [1 ]
Bergamini, Paola [2 ,3 ]
Bertolasi, Valerio [2 ,3 ]
Bortoluzzi, Marco [1 ]
Cattabriga, Michela [2 ,3 ]
Pitteri, Bruno [1 ]
机构：
[1] Univ Venice, Dipartimento Chim, I-30123 Venice, Italy
[2] Univ Ferrara, Dipartimento Chim, I-44100 Ferrara, Italy
[3] Univ Ferrara, Ctr Struct Diffrattomet, I-44100 Ferrara, Italy
来源：
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY | 2007年 / 36卷 / 36期
关键词：
platinum; bridging ligands; N ligands; O ligands;
D O I：
10.1002/ejic.200700777
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Acidolysis of the complexes [Pt(CH3)(terpy)]Y (Y = PF6, CH3SO3, CF3SO3, ClO4, BF4; terpy = 2,2':6',2 ''-terpyridine) with an equimolar amount of CH3SO3 in 2,2,2-trifluoroethanol (TFE) affords the corresponding methanesulfonato derivatives [Pt(OSO2CH3)(terpy)]Y. When Y = NO3 a nearly equimolar mixture of the methanesulfonato and nitrato complexes is obtained, whereas the reaction of [Pt(CH3)(terpy)](CF3SO3) with triflic acid in either dry TFE or CH2Cl2 gives the aqua species [Pt(terpy)(H2O)](SO3CF3)(2), whose X-ray crystal structure is reported. This structure shows hydrogen bonding between the coordinated water molecule and two triflate ions. H-1 NMR evidence is reported that suggests that this hydrogen bonding is partially retained in CD3NO2 solution. The new hydroxido-bridged dimers [Pt-2(mu-OH)(terpy)(2)](X) [X = (ClO4)(3), (PF6)(2)(CF3SO3) (12)] have been isolated and their X-ray crystal structures determined. ((C) Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2007).
引用
收藏
页码：5743 / 5751
页数：9
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