Table 2. H-Bonding Distances (Å) and Angles (°) in Compounds 1 and 2a.
| compound | D–H···A | D–H (Å) | H···A (Å) | D···A (Å) | ∠D–H···A (°) |
|---|---|---|---|---|---|
| 1 | N1–H1···F1 | 0.89(3) | 2.26(3) | 3.09(7) | 156(2) |
| N2–H2···O8(a) | 0.88(3) | 2.56(3) | 3.32(6) | 148(2) | |
| 2 | N1–H1···F3(b) | 0.97(9) | 2.19(10) | 3.11(3) | 159(7) |
| N2–H2···O7(c) | 1.06(7) | 2.23(6) | 3.09(12) | 138(5) |
Symmetry transformations: (a) = 3/2 – x, 3/2 – y, 1 – z; (b) = −x, 1 – y, 1 – z; (c) = 1/2 – x, 3/2 – y, 1 – z.