Table 2.

Calculated complexation energies E and G ²⁹⁸ between dimethylamine borane (2 a) and magnesocenophanes 1 a–d (Figure 7, center).

Compound	E[a]	[n][b]	E [kJ mol−1]	G 298 [kJ mol−1]
1 a	C	1	−116.5	−63.3
1 b	Si	1	−104.3	−53.2
1 c	C	2	−66.2	−17.8
1 d	Si	2	−61.4	−10.8

[a] E=bridging atom(s) of ansa bridge; [b] n=number of bridging atom(s) in ansa bridge.