C. Wattenbach et al., Crystal structure of 1,3-bis(toluene-4-sulfonyl)-2,3,4,7-tetrahydro-1H-1,3-diazepine, C19H22N2O4S2, Z KRIST-NEW, 216(3), 2001, pp. 397-398
C19H22N2O4S2, monoclinic, C12/c1 (No. 15), a = 24.60(2) Angstrom, b = 6.883
(8) Angstrom, c = 11.327(3) Angstrom, beta = 91.20(4)degrees, V = 1917.5 An
gstrom (3), Z = 4, R-gt(F) = 0.044, wR(ref)(F-2) = 0.088, T = 297 K.