[Yb(L(NO3)(2)(H2O)(2)](NO3), L = Bromo-N,N,N ' ,N ' -tetraethylmalonamide c
rystallizes in the triclinic spacegroup P-1 with cell dimensions a = 9.030(
9), b = 12.036(12), c = 12.392(13) Angstrom, alpha = 84.52(1), beta = 77.58
(1), gamma = 67.21(1)degrees, d(calc) = 1.935 g cm(-3) for Z = 2. The ytter
bium atom in the complex cation is nine-coordinate being bonded to two oxyg
en atoms from the malonamide ligand, two nitrate anions, and three water mo
lecules.