N. Kuhn et al., Crystal structure of 1,3-diisopropyl-4,5-dimethylimidazolium tetramethoxyborate, [C11H21N2][B(OCH3)(4)], Z KRIST-NEW, 216(2), 2001, pp. 315-317
C30H66B2N4O8, triclinic, P (1) over bar (No. 2), a = 8.417(1) Angstrom b =
15.849(4) Angstrom, c = 16.387(5) Angstrom, alpha = 61.37(1)degrees, beta =
85.73(2)degrees, gamma = 84.88(1)degrees, V = 1910.0 Angstrom (3), Z = 2,
R-gt(F) = 0.057, wR(ref)(F-2) = 0.161, T = 293 K.