Premium
Synthese und Untersuchung von kohlenstoff‐ und stickstoffzentrierten (Z) trigonal‐prismatischen Wolframclustern des Formeltyps A[W 6 ZCl 18 ]
Author(s) -
Weisser Martina,
Burgert Ralf,
Schnöckel Hansgeorg,
Meyer H.Jürgen
Publication year - 2008
Publication title -
zeitschrift für anorganische und allgemeine chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.354
H-Index - 66
eISSN - 1521-3749
pISSN - 0044-2313
DOI - 10.1002/zaac.200700474
Subject(s) - tungsten , chemistry , lithium (medication) , trigonal crystal system , crystal structure , crystallography , sodium , single crystal , organic chemistry , medicine , endocrinology
Synthesis and Characterization of Carbon‐ and Nitrogen‐Centered (Z) Trigonal Prismatic Tungsten Clusters of the Formula Type A[W 6 ZCl 18 ] Solid state reactions of tungsten(IV) chloride and carbodiimides (cyanamides) of lithium, sodium, calcium and silver yielded black crystalline powders of centered (Z) trigonal‐prismatic tungsten cluster compounds having the general formula A[W 6 ZCl 18 ] with A = Li, Na, Ca, Ag and Z = C, N. Crystal structures of the corresponding compounds were investigated by powder and single‐crystal X‐ray diffraction. The nature of the central atom was studied by mass spectrometry and nuclear magnetic resonance spectrometry. It turned out that the central atom can be C (in the case of the lithium and sodium compound) or N (in the case of the sodium and calcium compound).