Surface Organometallic Chemistry of Tin: Formation of the Grafted Organometallic Complex (⪫Si-O)2Sn(n-C4H9)2 by Reaction of H2Sn(n-C4H9)2 with the Surface of a Partially Dehydroxylated Silica

C. Nédez; A. Choplin; F. Lefebvre; J. M. Basset; E. Benazzi

doi:10.1021/ic00084a021

Surface Organometallic Chemistry of Tin: Formation of the Grafted Organometallic Complex (⪫Si-O)₂Sn(n-C₄H₉)₂ by Reaction of H₂Sn(n-C₄H₉)₂ with the Surface of a Partially Dehydroxylated Silica

C. Nédez, A. Choplin, F. Lefebvre, J. M. Basset^*, E. Benazzi

^*Corresponding author for this work

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Abstract

Reaction of H₂Sn(n-C₄H₉)₂ with the surface of Aerosil silica dehydroxylated at 200 or 500 °C was followed by surface microanalysis, quantitative analysis of the evolved gases, ¹³C CP-MAS NMR, and infrared spectroscopy. At room temperature after a short period of interaction, the starting complex is simply physisorbed on the silica surface. Two types of weak interactions occur between surface silanols and both the CH groups of the butyl ligands and the tin hydride(s). For longer periods of interaction and/or higher temperature, a well-defined surface species (⪫Si‒O)₂SnBu₂ (2) is formed on both types of silica. The infrared and ¹³C CP-MAS data are consistent with a hydrogen-bonding interaction between surface butyl ligands and surface silanols. Possible formation of (⪫Si‒O)Sn(H)Bu₂ as an intermediate in the formation of 2 is discussed.

Original language	English (US)
Pages (from-to)	1099-1102
Number of pages	4
Journal	Inorganic chemistry
Volume	33
Issue number	6
DOIs	https://doi.org/10.1021/ic00084a021
State	Published - Mar 1 1994
Externally published	Yes

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Physical and Theoretical Chemistry
Inorganic Chemistry

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title = "Surface Organometallic Chemistry of Tin: Formation of the Grafted Organometallic Complex (⪫Si-O)2Sn(n-C4H9)2 by Reaction of H2Sn(n-C4H9)2 with the Surface of a Partially Dehydroxylated Silica",

abstract = "Reaction of H2Sn(n-C4H9)2 with the surface of Aerosil silica dehydroxylated at 200 or 500 °C was followed by surface microanalysis, quantitative analysis of the evolved gases, 13C CP-MAS NMR, and infrared spectroscopy. At room temperature after a short period of interaction, the starting complex is simply physisorbed on the silica surface. Two types of weak interactions occur between surface silanols and both the CH groups of the butyl ligands and the tin hydride(s). For longer periods of interaction and/or higher temperature, a well-defined surface species (⪫Si‒O)2SnBu2 (2) is formed on both types of silica. The infrared and 13C CP-MAS data are consistent with a hydrogen-bonding interaction between surface butyl ligands and surface silanols. Possible formation of (⪫Si‒O)Sn(H)Bu2 as an intermediate in the formation of 2 is discussed.",

author = "C. N{\'e}dez and A. Choplin and F. Lefebvre and Basset, {J. M.} and E. Benazzi",

year = "1994",

month = mar,

day = "1",

doi = "10.1021/ic00084a021",

language = "English (US)",

volume = "33",

pages = "1099--1102",

journal = "Inorganic chemistry",

issn = "0020-1669",

publisher = "American Chemical Society",

number = "6",

}

Surface Organometallic Chemistry of Tin: Formation of the Grafted Organometallic Complex (⪫Si-O)₂Sn(n-C₄H₉)₂ by Reaction of H₂Sn(n-C₄H₉)₂ with the Surface of a Partially Dehydroxylated Silica. / Nédez, C.; Choplin, A.; Lefebvre, F. et al.
In: Inorganic chemistry, Vol. 33, No. 6, 01.03.1994, p. 1099-1102.

Research output: Contribution to journal › Article › peer-review

TY - JOUR

T1 - Surface Organometallic Chemistry of Tin

T2 - Formation of the Grafted Organometallic Complex (⪫Si-O)2Sn(n-C4H9)2 by Reaction of H2Sn(n-C4H9)2 with the Surface of a Partially Dehydroxylated Silica

AU - Nédez, C.

AU - Choplin, A.

AU - Lefebvre, F.

AU - Basset, J. M.

AU - Benazzi, E.

PY - 1994/3/1

Y1 - 1994/3/1

N2 - Reaction of H2Sn(n-C4H9)2 with the surface of Aerosil silica dehydroxylated at 200 or 500 °C was followed by surface microanalysis, quantitative analysis of the evolved gases, 13C CP-MAS NMR, and infrared spectroscopy. At room temperature after a short period of interaction, the starting complex is simply physisorbed on the silica surface. Two types of weak interactions occur between surface silanols and both the CH groups of the butyl ligands and the tin hydride(s). For longer periods of interaction and/or higher temperature, a well-defined surface species (⪫Si‒O)2SnBu2 (2) is formed on both types of silica. The infrared and 13C CP-MAS data are consistent with a hydrogen-bonding interaction between surface butyl ligands and surface silanols. Possible formation of (⪫Si‒O)Sn(H)Bu2 as an intermediate in the formation of 2 is discussed.

AB - Reaction of H2Sn(n-C4H9)2 with the surface of Aerosil silica dehydroxylated at 200 or 500 °C was followed by surface microanalysis, quantitative analysis of the evolved gases, 13C CP-MAS NMR, and infrared spectroscopy. At room temperature after a short period of interaction, the starting complex is simply physisorbed on the silica surface. Two types of weak interactions occur between surface silanols and both the CH groups of the butyl ligands and the tin hydride(s). For longer periods of interaction and/or higher temperature, a well-defined surface species (⪫Si‒O)2SnBu2 (2) is formed on both types of silica. The infrared and 13C CP-MAS data are consistent with a hydrogen-bonding interaction between surface butyl ligands and surface silanols. Possible formation of (⪫Si‒O)Sn(H)Bu2 as an intermediate in the formation of 2 is discussed.

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DO - 10.1021/ic00084a021

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JO - Inorganic chemistry

JF - Inorganic chemistry

IS - 6

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Surface Organometallic Chemistry of Tin: Formation of the Grafted Organometallic Complex (⪫Si-O)₂Sn(n-C₄H₉)₂ by Reaction of H₂Sn(n-C₄H₉)₂ with the Surface of a Partially Dehydroxylated Silica

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