Table 3. Selected Bond Lengths (Å) and Angles (°) for AM Interactions with the C6-Rings in 1-AM·(Et2O) (AM = Li, Na, K, Rb) and 1-Cs·(THF)2.
| AM = Li | AM = Na | AM = K | AM = Rb | AM = Cs |
|---|---|---|---|---|
| Ph | ||||
| C29: 2.861(1) d1 | C29: 3.101(1) d2 | C29: 3.199(2) d1 | C7: 3.602(2) | |
| C30: 3.232(2) d3 | C30: 3.271(1) d3 | C30: 3.325(2) d3 | C8: 3.538(2) | |
| C31: 3.599(2) | C31: 3.447(2) | C31: 3.472(2) | C9: 3.508(2) | |
| C32: 3.626(2) | C32: 3.461(2) | C32: 3.493(2) | C10: 3.556(2) | |
| C33: 3.284(2) | C33: 3.300(1) (d4) | C33: 3.373(2) (d4) | C11: 3.602(2) | |
| C34: 2.871(1) d2 | C34: 3.097(1) d1 | C34: 3.206(2) d2 | C12: 3.620(2) | |
| ρ1 = 1.00 | ρ1 = 1.00 | ρ1 = 1.00 | ||
| ρ2 = 1.13 | ρ2 = 1.06 | ρ2 = 1.07 | ||
| Δd4–3 | 0.02 | 0.05 | ||
| Dipp | ||||
| C1: 2.483(3) | C17: 3.018(1) d3 | C17: 3.292(1) (d4) | C1: 3.394(2) | C1: 3.491(2) |
| C2: 2.538(3) | C18: 2.887(1) d2 | C18: 3.428(1) | C2: 3.482(2) | C2: 3.502(2) |
| C3: 2.625(3) | C19: 2.882(1) d1 | C19: 3.313(1) | C3: 3.358(1) (d4) | C3: 3.663(2) |
| C4: 2.688(3) | C20: 3.035(1) (d4) | C20: 3.128(1) d2 | C4: 3.200(1) d2 | C4: 3.767(2) |
| C5: 2.687(3) | C21: 3.229(1) | C21: 3.068(1) d1 | C5: 3.180(1) d1 | C5: 3.751(2) |
| C6: 2.613(3) | C22: 3.259(2) | C22: 3.158(1) d3 | C6: 3.288(2) d3 | C6: 3.617(2) |
| ρ1 = 1.00 | ρ1 = 1.02 | ρ1 = 1.01 | ||
| ρ2 = 1.05 | ρ2 = 1.03 | ρ2 = 1.02 | ||
| Δd4–3 | 0.13 | 0.07 | ||