Table 1. Comparison of ρ Values of 1·1/2CH2Cl2, 3, 4, 7, [LH32-anisyl]TFA, 8, 10, 11·C7H8, and 12·CH2Cl2a.

| complex | a (Å) | (b + c)/2 (Å) | ρ = 2a/(b + c) |
|---|---|---|---|
| 1·1/2CH2Cls | 1.309(5)/1.312(5)b | 1.343(7)/1.352(7)b | 0.97/0.97b |
| 3 | 1.317(5)/1.314(5)b | 1.324(7)/1.358(7)b | 0.99/0.97b |
| 4 | 1.305(8) | 1.337(12) | 0.98 |
| 7 | 1.318(8) | 1.348(13) | 0.98 |
| [LH32-anisyl]TFA | 1.337(2) | 1.338(3) | 1.00 |
| 8 | 1.295(9)b/1.303(9)b | 1.356(13)b/1.340(10)b | 0.97b/0.97b |
| 10 | 1.303(8) | 1.336(11) | 0.97 |
| 11·C7H8 | 1.303(7)/1.322(7) | 1.322(11)/1.338(10) | 0.99/0.99 |
| 12·CH2Cl2 | 1.302(8)/1.301(8) | 1.330(11)/1.334(13) | 0.98/0.97 |
ρ = 0.93 (LH22-tolyl), 0.92 (LH22-anisyl) and 0.93 (LH22,4-xylyl).42
The values indicated are for the nonplatinated guanidine.