Based on the reported Fe clusters constructed by using N-tris(hydroxymethyl)methylglycine (H5thmmg), herein, we explored the use of H5thmmg for Ni chemistry. Successfully, an octanuclear Ni cluster, Ni8O(H3thmmg)6·2NO3 (Ni8) was acquired under solvothermal condition. Its metallic core is comprised of two centrosymmetric cubanes Ni4(µ3-O)3(µ6-O) linked by sharing an O2− ion and six H3thmmg2− ligands are attached to the periphery. Interestingly, the 2-mercapto-5-amino-1,3,4-thiadiazole (Hmat) ligand with both N and S donor atoms was introduced into the synthesis of Ni8 cluster, a disparate decanuclear nickel cluster, Ni10O(OH)2(H3thmmg)4(mat)8 (Ni10) is assembled by H3thmmg2− and mat− mixed ligands. The metal core of Ni10 cluster is a pudgy tetrahedron, whose four vertexes are four Ni2+ ions and the remanent six Ni2+ ions are located in the tetrahedral cavity. Four H3thmmg2− ligands are located at the four vertices of the tetrahedron and 8 mat− ligands are all on the six sides of the tetrahedron. The different synthetic conditions contribute to the different configurations. Magnetic studies indicate that both complexes Ni8 and Ni10 display antiferromagnetic interactions.
| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |