Table 1. Selected bond distances (Å) and angles (°) for complexes 1-EH and 2-EH (E = S, Se, Te).
| Structural parameters | 1-SH | 1-SeH | 1-TeH | 2-SH | 2-SeH | 2-TeH |
| U–Oavg. | 2.169 | 2.170 | 2.130 | 2.121, 2.122 | 2.120, 2.122 | 2.119, 2.136 |
| U–ODME | 2.582(2) 2.616(2) | 2.579(3) 2.599(3) | 2.508(2) | — | — | — |
| U–N | 2.616(2) | 2.605(3) | 2.575(2) | 2.546(2), 2.542(2) | 2.552(3), 2.547(3) | 2.558(3), 2.567(3) |
| U1–E1,2 | 2.797(1) | 2.936(1) | 3.122(1) | 2.882(1), 2.961(1) | 2.992(1), 3.090(1) | 3.145(2), 3.296(2) |
| U2–E1,2 | — | — | — | 2.964(1), 2.877(1) | 3.094(1), 2.989(1) | 3.163(2), 3.119(2) |
| N–U–E | 136.24(4) | 133.44(7) | 173.25(4) | 166.14(4), 87.79(4), 88.57(5), 166.63(4) | 168.44(6), 87.25(6), 88.23(6), 169.00(6) | 171.00(7), 87.43(8), 94.94(9), 166.68(10) |
| U–E2–U | — | — | — | 159.99 | 158.10 | 160.09 |
| E1···E2 | — | — | — | 3.888 | 4.157 | 4.479 |
| U1···U2 | — | — | — | 4.295 | 4.381 | 4.448 |