Vp. Fedin et al., Supramolecular assemblies based on cucurbituril adducts of hydrogen-bondedmolybdenum and tungsten incomplete cuboidal aqua complexes, INORG CHEM, 39(10), 2000, pp. 2227
Six cis coordinated H2O molecules of the triangular cluster complexes M-3(m
u(3)-S)((mu(2)-S)(3)(H2O)(9)](4+) Mo, W) (hydrogen bond donors) complementa
ry to six portal oxygen atoms of cucurbituril (acceptors). The shape and sy
mmetry of the building blocks induce specific crystal structures.