Solvent effects on two-bond sup 119 Sn- sup 117 Sn spin coupling in (n-Bu sub 3 Sn) sub 2 O and (Me sub 3 Sn) sub 2 O
Journal Article
·
· Inorganic Chemistry; (USA)
- National Bureau of Standards, Gaithersburg, MD (USA)
Profound solvent effects on the tin-tin spin coupling constant, {sup 2}J({sup 119}Sn, {sup 117}Sn), of the hexaorganodistannoxanes (n-Bu{sub 3}Sn){sub 2}O and (Me{sub 3}Sn){sub 2}O have been investigated for a large number of solvents. For both compounds, a good correlation has been found with the empirical acceptor number solvent scale, implicating a principal interaction of solvent with oxygen. Evidence consistent with a halogen-bonding interaction in CH{sub 2}Cl{sub 2}, CHCl{sub 3}, and CCl{sub 4} solutions was found for (n-Bu{sub 3}Sn){sub 2}O. This effect is absent, or strongly reduced, for (Me{sub 3}Sn){sub 2}O. While no evidence of a coordinative interaction of solvent with tin was found for the n-butyl derivative, changes in {sup 1}J({sup 119}Sn, {sup 13}C) and the {sup 119}Sn chemical shift for (Me{sub 3}Sn){sub 2}O provide evidence of a secondary interaction of strongly coordinating solvents with tin. A structural basis for the solvent effect on {sup 2}J({sup 119}Sn, {sup 117}Sn) has been proposed on the basis of recent empirical correlations of {sup 2}J({sup 119}Sn, {sup 117}Sn) with the Sn-O-Sn angle. 24 refs., 3 figs., 3 tab.
- OSTI ID:
- 7071182
- Journal Information:
- Inorganic Chemistry; (USA), Journal Name: Inorganic Chemistry; (USA) Vol. 28:23; ISSN 0020-1669; ISSN INOCA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
400202 -- Isotope Effects
Isotope Exchange
& Isotope Separation
ALKANES
CHEMICAL BONDS
COMPLEXES
DATA
DAYS LIVING RADIOISOTOPES
EVEN-ODD NUCLEI
EXPERIMENTAL DATA
HYDROCARBONS
INFORMATION
INTERMEDIATE MASS NUCLEI
INTERNAL CONVERSION RADIOISOTOPES
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
NUCLEI
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANOMETALLIC COMPOUNDS
OXYGEN COMPOUNDS
RADIOISOTOPES
SOLVENT PROPERTIES
STABLE ISOTOPES
TIN 117
TIN 119
TIN COMPLEXES
TIN ISOTOPES
400201* -- Chemical & Physicochemical Properties
400202 -- Isotope Effects
Isotope Exchange
& Isotope Separation
ALKANES
CHEMICAL BONDS
COMPLEXES
DATA
DAYS LIVING RADIOISOTOPES
EVEN-ODD NUCLEI
EXPERIMENTAL DATA
HYDROCARBONS
INFORMATION
INTERMEDIATE MASS NUCLEI
INTERNAL CONVERSION RADIOISOTOPES
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
NUCLEI
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANOMETALLIC COMPOUNDS
OXYGEN COMPOUNDS
RADIOISOTOPES
SOLVENT PROPERTIES
STABLE ISOTOPES
TIN 117
TIN 119
TIN COMPLEXES
TIN ISOTOPES