P. Thuery et al., Crystal structure of a new calix[4]arene-crown including a diphenylene-spacer, C68H68O12 center dot 2CH(3)COCH(3), Z KRIST-NEW, 214(1), 1999, pp. 129-131
C74H80O14, triclinic, P (1) over bar (No. 2), a = 10.2616(8) Angstrom, b =
14.652(2) Angstrom, c = 21.824(3), Angstrom, alpha = 102.612(1)degrees, bet
a = 99.963(1)degrees, gamma = 98.882(1)degrees, V = 3090.2 Angstrom(3), Z =
2, R-gt(F) = 0.091, R-w(F) = 0.223, T = 123 K.