The title compound, (C31H42N3) 2[Mo6O19], contains an [Mo6O 19]2- hexamolybdate anion, which is built up from six distorted MoO6 octahedra sharing common edges and one common vertex at the central O atom, and two hexaethylpararosaniline cations to balance the charge. The Mo - O distances lie in the range 1.670 (3)-2.325 (2) Å. © 2006 International Union ...