MOLEKÜLSTRUKTUR EINES STABILEN PENTAOXY-SPIROPHOSPHORANS MIT PHOSPOR ALS BRÜCKENKOPFATOM ZWISCHEN EINEM SECHSGLIEDRIGEN UND EINEM FÜNFGLIEDRIGEN RING
- 1 February 1988
- journal article
- research article
- Published by Taylor & Francis in Phosphorus and Sulfur and the Related Elements
- Vol. 35 (3-4) , 241-246
- https://doi.org/10.1080/03086648808074327
Abstract
The crystal and molecular structure of the trigonal-bipyramidal pentaoxy-spirophosphorane 1 reveals the smaller influence on the stereochemistry at phosphorus of the six-membered compared with five-membered rings. The large difference between the two axial P[sbnd]O bonds (161.6 and 171.0 pm) and between the three equatorial P[sbnd]O bonds (range 157.7–163.6 pm) is ascribed to the influence of the CF3-groups on the electronegativity of the oxygen atoms.Keywords
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