Reaction of Triselenium Heptoxide with Pyridine; NovelDA-Complex 4Py.Se2O5.

• Authors: NEPLECHOVÁ Kamila; ŽÁK Zdirad; TOUŽÍN Jiří
• Year of publication: 1997
• Type: Article in Periodical
• Magazine / Source: Main Group Chemistry
• MU Faculty or unit: Faculty of Informatics
• Field: Inorganic chemistry
• Keywords: selenium heptoxide;pyridine;DA-complex;crystal structure
• Description: Se3O7 reacts with an excess of pyridine (py)and forms DA-complexes py.SeO2 and 4py.Se2O5. The latter compound was characterised by elemental analysis, Raman spectroscopy, thermal analysis and x-ray crystallography. It is the first compound in which tetravalent selenium atom is co-ordinated by three nitrogen atoms.

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