Questions
Why is calcium phosphate so rigid that nature has adopted it for the formation of bones Can we make better bones (强离子键)
Why is it so difficult to make compounds from the nitrogen in air Can we find an easy way (强共价键)
How can we explain the ability of hemoglobin (血色素) to form a loosely bonded compound with oxygen, transfer it to another part of the body, and then release it in response to a metabolic need (配位键)
化学键
血红蛋白
配位化合物
配合物的结构
概念 (中心原子,配体,配位键,配位数,配位层,螯合,八面体,四面体,四方形,命名)
异构 (结构异构 ,立体异构 )
晶体场理论
配体对d电子的作用 (能级分裂)
配体对配合物颜色的影响
dn配合物的电子结构
配合物的磁性
(http://www.chem.purdue.edu/gchelp/cchem/)
[Fe(SCN)(H2O)5]2+, [Co(SCN)4(H2O)2]2-, [Cu(NH3)4(H2O)2]2+, [CuBr4]2-
Ligand = Lewis base
Metal atom or ion = Lewis acid
chelate
(命名口诀:先无后有,先阴后中,先A后B,先少后多.)
配位化合物中异构现象
异构
Isomers are compounds that contain the same number of the same atoms, but in different arrangements.
电离异构
水合异构
键合异构
配位异构
几何异构
光学异构
结构(构造)异构
立体异构
Ionization isomers
电离异构
[CoBr(NH3)5]SO4
[CoSO4(NH3)5]Br
Hydrate isomers
水合异构
[Cr(H2O)6]Cl3
[CrCl(H2O)5]Cl2·H2O
[CrCl2(H2O)4]Cl·2H2O

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