Conformational analysis of the molecules of bis(dimethylamino)chlorophosphine and 2-chloro-l,3-dimethyl-l,3,2-diazaphospholane was carried out by the molecular mechanics method. According to calculations, both compounds are conformationally homogeneous, which is in agreement with the data of vibrational spectroscopy. The structural parameters found were used to calculate the frequencies and modes of normal vibrations, to analyze the IR and Raman spectra, and to estimate force constants for both diaminophosphines.

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Antimonigsäure‐triäthylester (I) kann mit Acetylchlorid (II) zu 0,0‐Diäthyl‐antinonigsäurechlorid (IIIa) bzw. dem Dichlorid (IIIb) umgesetzt werden.