介绍了用Diamond软件构造47种晶体单形模型的方法及其在教学中的应用。

A mononuclear Co^Ⅱ complex, [Co(H₂dapsc)(H₂O)Cl]Cl·2H₂O (1), with a pentagonal bipyramidal configuration was obtained by reflux reaction of CoCl₂·6H₂O and 2, 6-diacetylpyridine-bis(semicarbazone) (H₂dapsc) in a mixed solvent of water and ethanol. The neutral ligand H₂dapsc molecule provides five coordination atoms to form the equatorial plane of 1, while a water molecule and a Cl^- ion occupy their axial positions. At the same time, the solid structure contains a valence counteranion Cl^- ion and two lattice water molecules. The study of DC magnetic susceptibility indicates that complex 1 has strong magnetic anisotropy. The AC magnetic properties show the existence of slow magnetic relaxation behavior, which is dominated by both direct and Raman processes. The energy barrier for magnetization reversal was 55.55 K. Based on theoretical calculations, it can be concluded that the main reason for the slow magnetic relaxation behavior is the rhombic anisotropy of the pentagonal bipyramidal structure. The calculated D and E values were 45.68 and-0.32 cm^-1.

采用浸渍吸附法，以多孔碳纳米笼(CNC)作为载体，简便构建了单原子铂/CNC (SA-Pt/CNC)纳米酶。通过透射电子显微镜(TEM)、高分辨透射电子显微镜(HRTEM)和X射线光电子能谱(XPS)深入解析了SA-Pt/CNC的微观结构。酶活性测试表明，SA-Pt/CNC表现出优异的类过氧化物酶活性，能高效催化过氧化氢氧化各种底物分子。

采用一种简单的策略，以未去除模板剂的原粉介孔二氧化硅KIT-6(TOK)为载体，利用模板剂和二氧化硅壁之间的限阈空间来制备单原子催化剂(SACs)。通过固相研磨将含Mn前驱体引入TOK的固有限阈空间后，Mn SACs可在热处理过程中迅速生成。密度泛函理论计算和实验数据表明，Mn原子被载体上的Si—OH基团所锚定，并以Mn—O—Si的形式存在。将得到的Mn SACs应用于电催化析氧反应，实验结果显示，与在没有限阈空间载体中合成的对比样品相比，Mn SACs表现出更出色的催化性能。

A tetranuclear Ln(Ⅲ)-based complex: [Dy₄(dbm)₄(L)₆(μ₃-OH)₂]·CH₃CN (1) (HL=5-[(4-methylbenzylidene)amino]quinolin-8-ol, Hdbm=dibenzoylmethane) was manufactured and its structure was characterized in detail. X-ray diffraction analysis shows that complex 1 belongs to the monoclinic crystal system and its space group is P2₁/n, which contains a rhombic Dy₄ core. Magnetic measurements of 1 suggest it possesses extraordinary single-molecule magnet (SMM) behavior. Its energy barrier U_eff/k_B was 116.7 K, and the pre-exponential coefficient τ₀=1.05×10^-8 s.

A new cobalt(Ⅱ)-radical complex: [Co(im4-py)₂(PNB)₂] (im4-py=2-(4'-pyridyl)-4,4,5,5-tetramethylimidazole-1-oxyl, HPNB=p-nitrobenzoic acid) has been synthesized and characterized by X-ray diffraction analysis, elemental analysis, IR, and magnetic properties. X-ray diffraction analysis shows that the complex exists as mononuclear molecules and Co(Ⅱ)ion is four-coordinated with two radicals and two PNB^- ligands. The magnetic susceptibility study indicates the complex exhibits weak ferromagnetic interactions between cobalt(Ⅱ) and im4-py radical. The magnetic property is explained by the magnetic and structure exchange mechanism.