Magnetic and X-Ray Crystallographic Studies of a Series of Nitrosodisulphonates and Hydroxylamine-N, N-Disulphonates

Abstract

A series of nitrosodisulphonate and two series of hydroxylamine-N, N-disulphonate salts with monovalent cations have been prepared and characterised. The crystal structure of one of the rubidium hydroxylamine-B3E-disulphonates has been determined to be triclinic with space group pi and shown to contain the anion ${\left\{ {\left[ {ON{{\left( {S{O_3}} \right)}_2}} \right]H} \right\}^{5 - }}$. This salt, on irradiation with $Co_\gamma ^{60}$ was found to contain an S=1 species with \D\/hc = 0.048 cm⁻¹ and \E\/hc = 0.002 cm⁻¹. Two crystalline modifications of potassium nitrosodisulphonate and two crystalline modifications of rubidium nitrosodisulphonate were found to have thermally accessible triplet states.