Single crystal e.s.r. study of the 1,6-dioxa-4,9-diaza-5-phospha(V)spiro[4.4]nonan-5-yl and the 1,6-dioxa-4,9-diaza-2,3,7,8-dibenzo-5-phospha(V)spiro[4.4]nona-2,7-dien-5-yl radicals
Abstract
The unpaired electron in two oriented phosphoranyl radicals (title) with trigonal bipyramial geometry is located in an equatorial position.