C52H44N4O4Th, triclinic, P (1) over bar (no. 2), a = 16.3338(3) angstrom, b = 17.1662(3) angstrom, c = 18.5769(6) angstrom, alpha = 101.145(1)degrees, beta = 95.195(1)degrees, gamma = 117.054(1)degrees, V = 4455.6 angstrom(3), Z = 4, R-gt(F) = 0.0314, wR(...