Table 4.
Selected Bond Distances (Å) and Angles (°) for Compounds 5, 7, 8, 9, 12, 14 and 16.
| 5 | 7 | 8 | 9 | 12 | 14 | 16 | |
|---|---|---|---|---|---|---|---|
| N1-C2 | 1.302(5) | 1.295(11) | 1.300(13) | 1.291(4) | 1.300(9) | 1.301(4) | 1.329(12)[1.286(12)] |
| C2-N6 | 1.358(5) | 1.350(11) | 1.348 (12) | 1.350(5) | 1.368(9) | 1.402(4) | 1.348(12)[1.369(12)] |
| C2-Se3 | 1.906(3) | 1.924(8) | 1.914(7) | 1.912(3) | 1.896(5) | 1.899(3) | 1.863(8)[1.886(7)] |
| Se3-C4 | 1.860(5) | 1.886(9) | 1.858(12) | 1.854(4) | 1.862(8) | 1.872(4) | 1.866(8)[1.898(9)] |
| C4-C5 | 1.349(5) | 1.353(12) | 1.355(12) | 1.359(5) | 1.358(8) | 1.356(5) | 1.366(11)[1.349(11)] |
| C5-N1 | 1.394(4) | 1.395(11) | 1.387(10) | 1.389(4) | 1.387(7) | 1.401(4) | 1.374(11)[1.378(11)] |
| N1-C2-N6 | 123.8(3) | 125.1(8) | 124.5(7) | 124.8(3) | 123.2(5) | 120.3(3) | 120.5(7)[121.5(7)] |
| N1-C2-Se3 | 115.1(3) | 114.5(6) | 114.4(6) | 114.9(3) | 115.7(4) | 116.1(2) | 115.6(6)[117.1(6)] |
| Se3-C2-N6 | 121.1(3) | 120.3(6) | 121.1(7) | 120.3(2) | 121.1(5) | 123.7(2) | 123.8(7)[121.4(6)] |
| C2-Se3-C4 | 83.59(18) | 83.9(4) | 83.6(4) | 83.370(15) | 83.1(3) | 83.10(15) | 84.3(4)[82.5(4)] |
| Se3-C4-C5 | 111.5(3) | 110.1(6) | 111.6(7) | 111.3(3) | 111.8(5) | 111.9(3) | 110.6(6)[110.2(6)] |
| C5-N1-C2 | 112.0(3) | 112.7(7) | 112.9(6) | 112.6(3) | 111.6(4) | 112.0(3) | 111.7(7)[111.6(7)] |
| N1-C5-C15 | 117.1(3) | 117.2(7) | 118.2(7) | 117.5(3) | 117.3(4) | 116.3(3) * | 112.9(7)[113.7(7)] |
| N1-C5-C4 | 117.8(4) | 118.8(8) | 117.4(9) | 117.5(3) | 117.7(6) | 116.9(3) | 117.8(8)[118.4(8)] |
| C4-C5-C15 | 124.9(3) | 123.9(8) | 124.2(8) | 124.9(3) | 124.9(6) | 126.8(3) * | 129.2(8)[127.6(8)] |
* C15 should be C19 in compound 14.