| C1—N1 | 1.339 (3) | C10—N5 | 1.331 (3) |
| C1—C2 | 1.377 (3) | C10—H10A | 0.9300 |
| C1—H1C | 0.9300 | C11—N5 | 1.333 (3) |
| C2—C3 | 1.390 (3) | C11—C12 | 1.380 (3) |
| C2—H2C | 0.9300 | C11—H11A | 0.9300 |
| C3—C4 | 1.389 (3) | C12—H12A | 0.9300 |
| C3—C6 | 1.465 (3) | N1—Ni1 | 2.0921 (18) |
| C4—C5 | 1.378 (3) | N2—N3 | 1.364 (3) |
| C4—H4A | 0.9300 | Ni1—O2 | 2.0753 (19) |
| C5—N1 | 1.341 (3) | Ni1—O2i | 2.0753 (19) |
| C5—H5A | 0.9300 | Ni1—N1i | 2.0921 (18) |
| C6—N2 | 1.337 (3) | Ni1—O1 | 2.0945 (17) |
| C6—N4 | 1.353 (3) | Ni1—O1i | 2.0945 (17) |
| C7—N3 | 1.334 (3) | O1—H1A | 0.85 (3) |
| C7—N4 | 1.356 (3) | O1—H1B | 0.82 (3) |
| C7—C8 | 1.471 (3) | O2—H2A | 0.82 (3) |
| C8—C12 | 1.384 (3) | O2—H2B | 0.82 (3) |
| C8—C9 | 1.393 (3) | O3—H3A | 0.85 (3) |
| C9—C10 | 1.372 (3) | O3—H3B | 0.86 (4) |
| C9—H9A | 0.9300 | ||
| N1—C1—C2 | 123.3 (2) | C11—C12—C8 | 119.6 (2) |
| N1—C1—H1C | 118.3 | C11—C12—H12A | 120.2 |
| C2—C1—H1C | 118.3 | C8—C12—H12A | 120.2 |
| C1—C2—C3 | 120.1 (2) | C1—N1—C5 | 116.65 (19) |
| C1—C2—H2C | 119.9 | C1—N1—Ni1 | 122.37 (14) |
| C3—C2—H2C | 119.9 | C5—N1—Ni1 | 120.94 (15) |
| C4—C3—C2 | 116.5 (2) | C6—N2—N3 | 105.95 (17) |
| C4—C3—C6 | 122.7 (2) | C7—N3—N2 | 105.88 (17) |
| C2—C3—C6 | 120.7 (2) | C6—N4—C7 | 101.41 (18) |
| C5—C4—C3 | 119.8 (2) | C10—N5—C11 | 115.9 (2) |
| C5—C4—H4A | 120.1 | O2—Ni1—O2i | 180.0 |
| C3—C4—H4A | 120.1 | O2—Ni1—N1i | 90.99 (7) |
| N1—C5—C4 | 123.5 (2) | O2i—Ni1—N1i | 89.01 (7) |
| N1—C5—H5A | 118.2 | O2—Ni1—N1 | 89.01 (7) |
| C4—C5—H5A | 118.2 | O2i—Ni1—N1 | 90.99 (7) |
| N2—C6—N4 | 113.30 (19) | N1i—Ni1—N1 | 180.0 |
| N2—C6—C3 | 121.29 (19) | O2—Ni1—O1 | 90.36 (8) |
| N4—C6—C3 | 125.27 (19) | O2i—Ni1—O1 | 89.64 (8) |
| N3—C7—N4 | 113.45 (19) | N1i—Ni1—O1 | 88.45 (7) |
| N3—C7—C8 | 121.77 (19) | N1—Ni1—O1 | 91.55 (7) |
| N4—C7—C8 | 124.7 (2) | O2—Ni1—O1i | 89.64 (8) |
| C12—C8—C9 | 116.5 (2) | O2i—Ni1—O1i | 90.36 (8) |
| C12—C8—C7 | 122.2 (2) | N1i—Ni1—O1i | 91.55 (7) |
| C9—C8—C7 | 121.3 (2) | N1—Ni1—O1i | 88.45 (7) |
| C10—C9—C8 | 119.6 (2) | O1—Ni1—O1i | 180.0 |
| C10—C9—H9A | 120.2 | Ni1—O1—H1A | 117 (2) |
| C8—C9—H9A | 120.2 | Ni1—O1—H1B | 115 (2) |
| N5—C10—C9 | 124.3 (2) | H1A—O1—H1B | 104 (3) |
| N5—C10—H10A | 117.8 | Ni1—O2—H2A | 128 (2) |
| C9—C10—H10A | 117.8 | Ni1—O2—H2B | 119 (2) |
| N5—C11—C12 | 124.1 (2) | H2A—O2—H2B | 103 (3) |
| N5—C11—H11A | 118.0 | H3A—O3—H3B | 106 (3) |
| C12—C11—H11A | 118.0 | ||
| N1—C1—C2—C3 | −0.5 (4) | C4—C5—N1—Ni1 | 178.32 (19) |
| C1—C2—C3—C4 | 1.7 (3) | N4—C6—N2—N3 | −0.5 (3) |
| C1—C2—C3—C6 | −175.6 (2) | C3—C6—N2—N3 | 175.4 (2) |
| C2—C3—C4—C5 | −1.7 (4) | N4—C7—N3—N2 | −0.2 (3) |
| C6—C3—C4—C5 | 175.6 (2) | C8—C7—N3—N2 | 177.4 (2) |
| C3—C4—C5—N1 | 0.5 (4) | C6—N2—N3—C7 | 0.4 (2) |
| C4—C3—C6—N2 | 179.4 (2) | N2—C6—N4—C7 | 0.4 (3) |
| C2—C3—C6—N2 | −3.4 (3) | C3—C6—N4—C7 | −175.3 (2) |
| C4—C3—C6—N4 | −5.2 (4) | N3—C7—N4—C6 | −0.2 (3) |
| C2—C3—C6—N4 | 172.1 (2) | C8—C7—N4—C6 | −177.6 (2) |
| N3—C7—C8—C12 | −172.1 (2) | C9—C10—N5—C11 | 1.0 (4) |
| N4—C7—C8—C12 | 5.1 (4) | C12—C11—N5—C10 | −0.2 (4) |
| N3—C7—C8—C9 | 4.9 (4) | C1—N1—Ni1—O2 | −142.48 (19) |
| N4—C7—C8—C9 | −177.8 (2) | C5—N1—Ni1—O2 | 40.10 (19) |
| C12—C8—C9—C10 | 0.6 (4) | C1—N1—Ni1—O2i | 37.52 (19) |
| C7—C8—C9—C10 | −176.6 (2) | C5—N1—Ni1—O2i | −139.90 (19) |
| C8—C9—C10—N5 | −1.2 (5) | C1—N1—Ni1—N1i | 139 (100) |
| N5—C11—C12—C8 | −0.4 (4) | C5—N1—Ni1—N1i | −39 (100) |
| C9—C8—C12—C11 | 0.2 (4) | C1—N1—Ni1—O1 | −52.15 (19) |
| C7—C8—C12—C11 | 177.3 (2) | C5—N1—Ni1—O1 | 130.43 (19) |
| C2—C1—N1—C5 | −0.7 (4) | C1—N1—Ni1—O1i | 127.85 (19) |
| C2—C1—N1—Ni1 | −178.26 (18) | C5—N1—Ni1—O1i | −49.57 (19) |
| C4—C5—N1—C1 | 0.8 (4) |