Table 1. Characteristics of Hydrogen Bonds in Crystal Structures of I–IVa.
| bond C–H···A | Nb | d(C···A) (Å) | d(C–H) (Å) | d(H···A) (Å) | angle (C–H···A) (deg) | Ω(H···A) (%) |
|---|---|---|---|---|---|---|
| C10H18Br3NO8U, I | ||||||
| C–H···Br | 2 | 3.732–3.917 | 0.97 | 2.82–2.99 | 157.3–158.9 | 15.53–16.32 |
| C–H···O | 9 | 3.392–3.808 | 0.96–0.97 | 2.55–2.93 | 137.7–154.8 | 10.27–15.30 |
| C8H16Br2N2NpO9, II | ||||||
| C–H···O | 8 | 3.251–3.826 | 0.96–0.97 | 2.41–2.92 | 131.6–159.5 | 11.21–15.75 |
| C8H16Br2N2O9Pu, III | ||||||
| C–H···O | 7 | 3.267–3.753 | 0.96–0.97 | 2.37–2.87 | 148.0–164.3 | 10.41–17.42 |
| C6H14BrN3NpO10, IV | ||||||
| C–H···O | 8 | 3.173–3.683 | 0.96–0.97 | 2.40–2.77 | 137.4–164.0 | 10.01–17.04 |
a
Allowance was made for contacts with C–H···A angle > 130°, d(H···A) < 3 Å, and Ω(H···A) > 10%.
b
N is the number of contacts of a specified type.