The decanuclear ternary PdGeS cluster [{(RGe)-Ge-N(mu-S)(3)}(4)Pd-6] center dot MeOH (2 center dot MeOH) has been obtained in high yield by a two-step reaction, involving the derivatization of the carbonyl functionalized adamantane-like [((RGe)-Ge-1)(4)(mu-S)(6)] (R-1 = CMe2CH2COMe) with N2H4 center dot H2O, and a subsequent reaction of the resulting hydrazone functionalized thiogermanate (NH3NH2)(2)[((RGe)-Ge-N)(2)(mu-S)(2)S-2] (R-N=CMe2CH2CMeNNH2, 1) with an acidic solution of (N,N'-tmeda)Pd(NO3)(2), Cluster 2 has an elegant molecular structure which can be viewed as an R-N ligated ensemble of four edge-sharing [Pd3GeS3] defect hetercubanes that meet at an unoccupied center. Thus, the cluster consists of six square-planar coordinated Pd-II ions at the vertices of a regular octahedron with four faces capped by four [(RGeS3)-Ge-N](3-) units. The title compounds were structurally characterized by means of single-crystal X-ray diffraction as well as physical property measurements. Moreover, density functional theory calculations were performed to gain insight into the unique coordination situation of the hydrazone substituent.