Selected interatomic distances (Å) and angles (deg) of the Bbim³⁻˙ radical-bridged complexes, 2-Ln^a.

2-Ln	Gd	Tb	Dy
C2–C2′	1.408(4)	1.410(6)	1.403(7)
Av. Ln–N	2.390(3)	2.383(4)	2.369(4)
Ln–Ln	6.100(1)	6.096(1)	6.060(1)
Av. Cnt–Ln–Cnt	135.8(2)	135.8(2)	135.3(2)
Ln1–N1–N2–Ln2	21.7(4)/29.1(4)	18.5(5)/26.3(5)	15.5(5)/22.8(5)
N1–Ln–N1′	74.3(1)/75.3(1)	74.1(1)/75.2(1)	75.4(1)/75.6(1)

^aCnt = centroid of the pentamethylcyclopentadienyl ring.