Ab initio HF, density functional and experimental studies on the IR spectra and structure of 1,2-benzisothiazol-3-(2H)-thione-1,1-dioxide (thiosaccharin) and its nitranion

Y. I. Binev, C. T. Petkov, Lj. Pejov, Ab initio HF, density functional and experimental studies on the IR spectra and structure of 1,2-benzisothiazol-3-(2H)-thione-1,1-dioxide (thiosaccharin) and its nitranion, Spectrochimica Acta, A56, 1949–1956 (2000).