Table 2. Selected non-covalent bond lengths (Å) and angles (°) for [Ni(L I,II)2] and [Cu(L I,II)2].
| D—H⋯A (Å) | d(D—H) (Å) | d(H⋯A) (Å) | d(D⋯A) (Å) | ∠(DHA) (°) | ||||
|---|---|---|---|---|---|---|---|---|
| [Ni(L I)2] | C—H⋯O | 1.00 | 2.25 | 2.770 (3) | 111 | |||
| C—H⋯O | 0.99 | 2.66 | 3.165 (4) | 112 | ||||
| C—H⋯Ni | 0.99 | 2.88 | 3.385 (3) | 112 | ||||
| C—H⋯π(benzene) | 0.99 | 2.92 | 3.740 (3) | 140 | ||||
| C—H⋯π(benzene) | 0.99 | 2.91 | 3.753 (3) | 144 | ||||
| C—H⋯π(chelate) | 0.99 | 2.74 | 3.64 | 151 | ||||
| C—H⋯π(chelate) | 0.99 | 3.29 | 4.12 | 143 | ||||
| [Cu(L I)2] | C—H⋯O | 1.00 | 2.31 | 2.845 (2) | 112 | |||
| C—H⋯O | 0.99 | 2.67 | 3.195 (2) | 113 | ||||
| C—H⋯Cu | 0.99 | 2.91 | 3.432 (1) | 114 | ||||
| C—H⋯π(benzene) | 0.99 | 2.89 | 3.711 (2) | 141 | ||||
| C—H⋯π(benzene) | 0.99 | 2.86 | 3.722 (2) | 146 | ||||
| C—H⋯π(chelate) | 0.99 | 2.71 | 3.60 | 150 | ||||
| C—H⋯π(chelate) | 0.99 | 3.23 | 4.08 | 145 | ||||
| [Ni(L II)2] | C—H⋯O | 1.00 | 2.19 | 2.733 (2) | 113 | |||
| C—H⋯Ni | 0.99 | 2.90 | 3.395 (2) | 112 | ||||
| C—H⋯π(C6H2) | 0.99 | 2.81 | 3.741 (2) | 157 | ||||
| C—H⋯π(C6H4) | 0.99 | 2.73 | 3.645 (2) | 154 | ||||
| C—H⋯π(chelate) | 0.99 | 2.91 | 3.68 | 135 | ||||
| [Cu(L II)2] | C—H⋯O | 1.00 | 2.30 | 2.790 (3) | 109 | |||
| C—H⋯O | 0.99 | 2.45 | 3.012 (3) | 115 | ||||
| C—H⋯Cu | 0.99 | 3.02 | 3.512 (2) | 112 | ||||
| C—H⋯π(C6H4) | 0.95 | 2.69 | 3.466 (2) | 140 | ||||
| C—H⋯π(C6H4) | 0.99 | 2.74 | 3.674 (2) | 157 | ||||
| d(Cg–Cg) (Å) | ∠(Cg–Cg) (°) | Slippage (Å) | ||||||
| π(chelate)⋯π(C6H2) | 3.9578 (13) | 5.80 (9) | 2.163 | |||||
| π(chelate)⋯π(C10H6) | 4.0692 (11) | 7.19 (7) | 2.229 | |||||