Fig. 3. Left: Molecular structure of 3 in the crystal (Hydrogen atoms are omitted; thermal ellipsoids at 50% probability). Right: Coordination environment of the aluminium atom. Selected atom distances [pm] and angles [°]: Ge–C1 199.91(10), Ge1–C4 200.02(10), Al–C1 212.87(10), Al–C2 227.18(10), Al–C3 227.58(10), Al–C4 214.16(11), Ge–Al 248.78(4), C1–C2 144.70(13), C2–C3 142.12(14), C3–C4 144.56(13), Al–Ctr. 186.64(3), Al–C(Cp*) 217–228, α(Ge) 165.638(9); α(Al) 91.628(10).
