REACTIONS OF COMMERCIAL RUTHENIUM CHLORIDES WITH O-DONOR LIGANDS - REACTIONS WITH WATER - UV-VIS INVESTIGATION OF SOLUBLE PRODUCTS - ANALYSIS, THERMOGRAVIMETRY AND AN IR STUDY OF PRECIPITATED SOLIDS

被引:17
作者
TYRLIK, SK [1 ]
KURZAK, K [1 ]
RANDZIO, SL [1 ]
机构
[1] POLISH ACAD SCI, INST PHYS CHEM, PL-01242 WARSAW, POLAND
关键词
D O I
10.1007/BF00139123
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The u.v.-vis. absorption spectra of the products of reaction of commercial ruthenium chlorides with water have been measured. Deconvolution analysis revealed that hexaaquo-, pentaaquohydroxy- and pentaaquo-chlororuthenium(III) ions are formed, in addition to four unknown compounds. Analysis of the concentration data suggests the formation of soluble oligomers of the primary products over several hours following dissolution, Storage of the solution for ca. 170 h furnishes insoluble materials, characterized by analysis, thermogravimetry and i.r. The bulk of these solids can be described as [Ru2n+2O3n+3].mH(2)O or [RU(2n+2)O((3n+3)-a)(OH)(2a)].mH(2)O. We suggest the existence of ruthenium hydrides in these precipitated solids.
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页码:330 / 337
页数:8
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