Table 3 Hydrogen-bonding geometry (Å, °) for 1 and 2
D–H⋯A | d (D–H) (Å) | d (H⋯A) (Å) | d (D⋯A) (Å) | ∠ D–H⋯A (°) |
|---|---|---|---|---|
(C4H7N2)2[CoCl4] (1) | ||||
N1A–H1A⋯Cl4 | 0.88 | 2.43 | 3.273 (3) | 161 |
N2A–H2A⋯Cl4i | 0.88 | 2.51 | 3.213 (3) | 174 |
N1B–H1B⋯Cl1 | 0.88 | 2.31 | 3.188 (3) | 173 |
N2B–H2B⋯Cl2ii | 0.88 | 2.30 | 3.160 (3) | 167 |
C2A–H2A1⋯Cl4 | 0.95 | 2.75 | 3.422 (4) | 128 |
C3A–H3A⋯Cl4i | 0.95 | 2.75 | 3.532 (4) | 141 |
C2B–H2B1⋯Cl1 | 0.95 | 2.69 | 3.576 (4) | 155 |
C3B–H3B⋯Cl2ii | 0.95 | 2.71 | 3.628 (4) | 163 |
(C4H7N2)2[ZnCl4] (2) | ||||
N1A–H1A⋯Cl4i | 0.88 | 2.34 | 3.222 (4) | 176 |
N2A–H2A⋯Cl4 | 0.88 | 2.45 | 3.281 (4) | 158 |
N1B–H1B⋯Cl1 | 0.88 | 2.30 | 3.158 (4) | 164 |
N2B–H2B⋯Cl3ii | 0.88 | 2.32 | 3.199 (4) | 173 |