DasIminoboran MeB E N M e entsteht bei der Gasphasenthermolyse des Aminoborans Me2BN(SiMe3)OSiMe3 oder des Azi- The iminoborane MeB S N M e is formed by gas-phase thermolysis of the aminoborane Me2BN(SiMe3)OSiMe3 or the azidoborane Me2BN3. The NMR shifts at -8O"C, the IR spectrum in Armatrix, and the PE spectrum correspond to a molecular structure comparable to that of 2-butyne, MeCECMe. The title compound is thermally stabilized by cyclotrimerisation, it is butyloborated at the BN bond by tributylborane, and it adds benzyl azide by a
AbstractThe laser Raman spectrum of matrix-isolated As4-tetrahodra is reported. The frequencies are different to former data obtained by gas-phase measurements.
Monochloramin H2NCl wird durch Halogenaustausch an H2NF mit CaCl2 in einer Gas‐Feststoff‐Reaktion hergestellt und in einer N2‐Matrix bei 15 K isoliert. Die Zuordnung seiner sechs Grundschwingungen wird durch eine Normalkoordinatenanalyse unterstützt.
The crystal structure of SCl3+AsF6- is reported.The mean S-Cl stretching frequency ν̄ of the SCl3+ cations, weighted according to the degree of degeneration, in the different SCl3+X- salts is directly proportional to the mean S-CI distance r̄scl, the force constant fSCl and the sulfur. . . anion distance (Cl3S+. . . X-).That SCI3+Cl- should be isostructural with PCl4-, the large variation in the S-CI stretching frequencies in the SCl3+X- salts is due to cation-anion interaction forces
Die Pyrolyse von [AsCl4]+[AsF6]− führt unter geeigneten Bedingungen zur Bildung präparativer Mengen von AsClF4, dessen IR‐Matrix‐ und Tieftemperatur‐Ramanspektrum angegeben wird.
In der Reihe AsClnF5−n besteht ein linearer Zusammenhang zwischen der mittleren Valenzschwingungsfrequenz 1/5 Σνval und der Elektronegativitätssumme der Liganden.
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