Methylbismuth(<scp>V</scp>) Compounds

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<jats:p><jats:bold>One alkylbismuth(<jats:sc>V</jats:sc>) compound stable up to 150 °C and three other unstable ones</jats:bold> were prepared and structurally characterized for the first time, namely, BiMe<jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="graphic/tex2gif-stack-1.gif" xlink:title="urn:x-wiley:05700833:media:ANIE199409761:tex2gif-stack-1" /> CF<jats:sub>3</jats:sub>SO<jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="graphic/tex2gif-stack-2.gif" xlink:title="urn:x-wiley:05700833:media:ANIE199409761:tex2gif-stack-2" /> (the stable species), BiMe<jats:sub>3</jats:sub>Cl<jats:sub>2</jats:sub>, BiMe<jats:sub>5</jats:sub>, and [Li(thf)<jats:sub>4</jats:sub>]<jats:sup>+</jats:sup> BiMe<jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="graphic/tex2gif-stack-3.gif" xlink:title="urn:x-wiley:05700833:media:ANIE199409761:tex2gif-stack-3" />. The tetramethyl compound, the hexamethyl compound, and the dichloride are, as expected, tetrahedral, octahedral, and trigonal bipyramidal, respectively. However, based on the blue‐violet color, a square pyramid was expected for BiMe5, and not the observed trigonal bipyramid.</jats:p>

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