| absorption coefficient mu | 8.022 mm^-1 | — | — | Table Exact Reported | 3 · Structure Description · Table 1 |
| N(19)-Ni(1)-N(23) angle | 98.6(2) degree | — | — | SI Table Exact Reported | S1-S2 · Table S1 · Table S1 |
| N(1)-Ni(1)-N(2) angle | 176.9(2) degree | — | — | SI Table Exact Reported | S1-S2 · Table S1 · Table S1 |
| O(11)-Ni(1)-N(19) angle | 90.12(19) degree | — | — | SI Table Exact Reported | S1-S2 · Table S1 · Table S1 |
| O(11)-Pb(1)-O(31) angle | 69.23(14) degree | — | — | SI Table Exact Reported | S1-S2 · Table S1 · Table S1 |
| S(1)-Pb(1)-O(1) angle | 145.28(17) degree | — | — | SI Table Exact Reported | S1-S2 · Table S1 · Table S1 |
| Ni(1)-O(11)-Pb(1) bridge angle | 104.5(2) degree | — | 0.2 degree | Text Exact Reported | 3 · Structure Description |
| Ni(1)-O(31)-Pb(1) bridge angle | 105.3(2) degree | — | 0.2 degree | Text Exact Reported | 3 · Structure Description |
| unit cell a | 12.3716(6) Angstrom | — | 0.0006 Angstrom | Table Exact Reported | 3 · Structure Description · Table 1 |
| unit cell b | 9.6865(3) Angstrom | — | 0.0003 Angstrom | Table Exact Reported | 3 · Structure Description · Table 1 |
| unit cell beta | 105.941(6) degree | — | 0.006 degree | Table Exact Reported | 3 · Structure Description · Table 1 |
| unit cell c | 20.7826(13) Angstrom | — | 0.0013 Angstrom | Table Exact Reported | 3 · Structure Description · Table 1 |
| Ni(1)-O(11)-O(31)-Pb(1) core dihedral | close to ~5.32 degree | — | approx. | Text Rounded Reported | 3 · Structure Description |
| crystal formula weight | 740.46 | — | — | Table Exact Reported | 3 · Structure Description · Table 1 |
| crystal system | monoclinic | — | — | Table Qualitative | 3 · Structure Description · Table 1 |
| calculated crystal density | 2.054 g cm^-3 | — | — | Table Exact Reported | 3 · Structure Description · Table 1 |
| Ni(1)-N(1) bond length | 2.112(5) Angstrom | — | 0.005 Angstrom | Table Exact Reported | 3 · Structure Description · Table 2 |
| Ni(1)-N(19) bond length | 2.029(6) Angstrom | — | 0.006 Angstrom | Table Exact Reported | 3 · Structure Description · Table 2 |
| Ni(1)-N(2) bond length | 2.154(6) Angstrom | — | 0.006 Angstrom | Table Exact Reported | 3 · Structure Description · Table 2 |
| Ni(1)-N(23) bond length | 2.030(5) Angstrom | — | 0.005 Angstrom | Table Exact Reported | 3 · Structure Description · Table 2 |
| Ni(1)-O(11) bond length | 2.039(4) Angstrom | — | 0.004 Angstrom | Table Exact Reported | 3 · Structure Description · Table 2 |
| Ni(1)-O(31) bond length | 2.034(4) Angstrom | — | 0.004 Angstrom | Table Exact Reported | 3 · Structure Description · Table 2 |
| Ni(1)...Pb(1) distance | 3.458(7) Angstrom | — | 0.007 Angstrom | Text Exact Reported | 3 · Structure Description |
| observed data I > 2sigma(I) | 5172 | — | — | Table Exact Reported | 3 · Structure Description · Table 1 |
| Pb(1)-O(1) bond length | 2.703(7) Angstrom | — | 0.007 Angstrom | Table Exact Reported | 3 · Structure Description · Table 2 |
| Pb(1)-O(11) bond length | 2.328(4) Angstrom | — | 0.004 Angstrom | Table Exact Reported | 3 · Structure Description · Table 2 |
| Pb(1)-O(131) bond length | 2.655(6) Angstrom | — | 0.006 Angstrom | Table Exact Reported | 3 · Structure Description · Table 2 |
| Pb(1)-O(291) bond length | 2.645(6) Angstrom | — | 0.006 Angstrom | Table Exact Reported | 3 · Structure Description · Table 2 |
| Pb(1)-O(31) bond length | 2.310(4) Angstrom | — | 0.004 Angstrom | Table Exact Reported | 3 · Structure Description · Table 2 |
| Pb(1)-S(1) bond length | 2.867(2) Angstrom | — | 0.002 Angstrom | Table Exact Reported | 3 · Structure Description · Table 2 |
| R1 all data | 0.0798 | — | — | Table Exact Reported | 3 · Structure Description · Table 1 |
| R1 for observed data | 0.0538 | — | — | Table Exact Reported | 3 · Structure Description · Table 1 |
| R(int) | 0.051 | — | — | Table Exact Reported | 3 · Structure Description · Table 1 |
| single-crystal XRD temperature | 150 K | — | — | Table Exact Reported | 3 · Structure Description · Table 1 |
| space group | P21/n | — | — | Table Qualitative | 3 · Structure Description · Table 1 |
| total reflections | 15 388 | — | — | Table Exact Reported | 3 · Structure Description · Table 1 |
| unique reflections | 6823 | — | — | Table Exact Reported | 3 · Structure Description · Table 1 |
| wR2 all data | 0.0987 | — | — | Table Exact Reported | 3 · Structure Description · Table 1 |
| wR2 for observed data | 0.0916 | — | — | Table Exact Reported | 3 · Structure Description · Table 1 |
| Z | 4 | — | — | Table Exact Reported | 3 · Structure Description · Table 1 |