The New λ 6  Si ‐Silicate Dianion [Si(NCO) 6 ] 2− : Synthesis and Structural Characterization of [K(18‐crown‐6)] 2 [Si(NCO) 6 ] | Zendy

Seiler Oliver | Zendy; Burschka Christian | Zendy; Götz Kathrin | Zendy; Kaupp Martin | Zendy; Metz Stefan | Zendy; Tacke Reinhold | Zendy

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The New λ 6 Si ‐Silicate Dianion [Si(NCO) 6 ] 2− : Synthesis and Structural Characterization of [K(18‐crown‐6)] 2 [Si(NCO) 6 ]

Author(s) -

Seiler Oliver,

Burschka Christian,

Götz Kathrin,

Kaupp Martin,

Metz Stefan,

Tacke Reinhold

Publication year - 2007

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.200700189

Subject(s) - silicate , acetonitrile , crystallography , chemistry , nuclear magnetic resonance spectroscopy , x ray crystallography , crystal structure , silicon , spectroscopy , characterization (materials science) , diffraction , stereochemistry , materials science , physics , organic chemistry , nanotechnology , quantum mechanics , optics

The λ 6 Si ‐silicate [K(18‐crown‐6)] 2 [Si(NCO) 6 ] ( 10 ) was synthesized by treatment of Si(NCO) 4 with KNCO in the presence of 18‐crown‐6. Compound 10 ( Si N 6 skeleton) is the first example of a hexa(cyanato‐ N )silicate. It was characterized by solid‐state and solution NMR spectroscopy, and the acetonitrile solvate 10· 2CH 3 CN was studied by single‐crystal X‐ray diffraction. To differentiate between the two isomeric [Si(NCO) 6 ] 2− and [Si(OCN) 6 ] 2− dianions, computational studies were performed.

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