Coupling Constants Through a Rapidly Dissociating-Recombining N →Si Dative Bond in Pentacoordinate Silicon Chelates

Inna Kalikhman; Sonia Krivonos; Daniel Kost; Thomas Kottke; Dietmar Stalke

doi:10.1002/9783527620777.ch84c

Coupling Constants Through a Rapidly Dissociating-Recombining N →Si Dative Bond in Pentacoordinate Silicon Chelates

Inna Kalikhman, Sonia Krivonos, Daniel Kost, Thomas Kottke, Dietmar Stalke

Department of Chemistry

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

Abstract

The preparation of new pentacoordinate silicon complexes 4-6 from polychloro-or fluoro-silanes and O-silylated-NJ-dimethylhydrazides is described, along with a typical trigonal-bipyramidal (TBP) crystal structure. Evidence is presented that 4-6 undergo rapid N→Si dissociation-recombination. Coupling constants are reported extending across the dative bond, even at temperatures in which N-Si dissociation is rapid. A Karplus-type correlation between dihedral angles and vicinal coupling constants is shown.

Original language	English
Title of host publication	Organosilicon Chemistry Set
Subtitle of host publication	From Molecules to Materials
Publisher	wiley
Pages	494-499
Number of pages	6
ISBN (Electronic)	9783527620777
ISBN (Print)	9783527323470
DOIs	https://doi.org/10.1002/9783527620777.ch84c
State	Published - 1 Jan 2005

Keywords

Multinuclear NMR
Pentacoordinate silicon
Stereodynamics

ASJC Scopus subject areas

General Chemistry

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10.1002/9783527620777.ch84c

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title = "Coupling Constants Through a Rapidly Dissociating-Recombining N →Si Dative Bond in Pentacoordinate Silicon Chelates",

abstract = "The preparation of new pentacoordinate silicon complexes 4-6 from polychloro-or fluoro-silanes and O-silylated-NJ-dimethylhydrazides is described, along with a typical trigonal-bipyramidal (TBP) crystal structure. Evidence is presented that 4-6 undergo rapid N→Si dissociation-recombination. Coupling constants are reported extending across the dative bond, even at temperatures in which N-Si dissociation is rapid. A Karplus-type correlation between dihedral angles and vicinal coupling constants is shown.",

keywords = "Multinuclear NMR, Pentacoordinate silicon, Stereodynamics",

author = "Inna Kalikhman and Sonia Krivonos and Daniel Kost and Thomas Kottke and Dietmar Stalke",

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doi = "10.1002/9783527620777.ch84c",

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T1 - Coupling Constants Through a Rapidly Dissociating-Recombining N →Si Dative Bond in Pentacoordinate Silicon Chelates

AU - Kalikhman, Inna

AU - Krivonos, Sonia

AU - Kost, Daniel

AU - Kottke, Thomas

AU - Stalke, Dietmar

PY - 2005/1/1

Y1 - 2005/1/1

N2 - The preparation of new pentacoordinate silicon complexes 4-6 from polychloro-or fluoro-silanes and O-silylated-NJ-dimethylhydrazides is described, along with a typical trigonal-bipyramidal (TBP) crystal structure. Evidence is presented that 4-6 undergo rapid N→Si dissociation-recombination. Coupling constants are reported extending across the dative bond, even at temperatures in which N-Si dissociation is rapid. A Karplus-type correlation between dihedral angles and vicinal coupling constants is shown.

AB - The preparation of new pentacoordinate silicon complexes 4-6 from polychloro-or fluoro-silanes and O-silylated-NJ-dimethylhydrazides is described, along with a typical trigonal-bipyramidal (TBP) crystal structure. Evidence is presented that 4-6 undergo rapid N→Si dissociation-recombination. Coupling constants are reported extending across the dative bond, even at temperatures in which N-Si dissociation is rapid. A Karplus-type correlation between dihedral angles and vicinal coupling constants is shown.

KW - Multinuclear NMR

KW - Pentacoordinate silicon

KW - Stereodynamics

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U2 - 10.1002/9783527620777.ch84c

DO - 10.1002/9783527620777.ch84c

M3 - Chapter

AN - SCOPUS:84959154668

SN - 9783527323470

SP - 494

EP - 499

BT - Organosilicon Chemistry Set

PB - wiley

ER -

Coupling Constants Through a Rapidly Dissociating-Recombining N →Si Dative Bond in Pentacoordinate Silicon Chelates

Abstract

Keywords

ASJC Scopus subject areas

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