Gg. Hoffmann et al., Bis(n-pentanethiolato)mercury(II), Hg(SC5H11)(2) - Preparation, characterization, crystal and molecular structure; Reactivity towards organic thiols, Z NATURFO B, 54(7), 1999, pp. 887-894
Citations number
63
Categorie Soggetti
Chemistry
Journal title
ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES
The preparation of bis(n-pentanethiolato)mercury(II), Hg(SC5H11)(2), and n-
pentanethiolato-mercury(II) iodide, IHgSC5H11, starting from HgI2 and n-pen
tanethiol, is presented, the X-ray crystal structure determination of Hg(SC
5H11)(2) reveals a layered structure of the bis(thiolate) molecule. With 17
8.69(1.02)degrees the S-Hg-S moiety is nearly linear. The Hg-S bond length
is shorter then the sum of the covalent radii of sulphur and mercury atoms
indicating a primary co-ordination number of two, which is supported by the
IR and Raman spectra. Assignments of nu(sym)(Hg-S) and nu(asym)(Hg-S) are
given. The mass spectrum reveals the title compound to be monomeric in the
gas phase. Melting and thermal decomposition have been investigated by DTA
methods. The behaviour towards organic thiols is discussed. In addition, IR
and Raman spectroscopic data of IHgSC5H11 are presented and discussed.