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1、配合物稳定常数StabilityConstantsofCoordinationCompounds络合反应的平衡常数用配合物稳定常数表示，又称配合物形成常数。此常数值越大，说明形成的配合物越稳定。其倒数用来表示配合物的解离程度，称为配合物的不稳定常数。以下表格中，表（1）中除特别说明外是在25℃下，离子强度I=0；表（2）中离子强度都是在有限的范围内，I≈0。表中βn表示累积稳定常数。金属-无机配位体配合物的稳定常数StabilityConstantsofMetalIon-InorganicCoordinationCompoun

2、ds序号(No.)配位体(Ligand)金属离子(Metalion)配位体数目n(Numberofligand)lgβn1NH3Ag+1,23.24,7.05Au3+410.3Cd2+1,2,3,4,5,62.65,4.75,6.19,7.12,6.80,5.14Co2+1,2,3,4,5,62.11,3.74,4.79,5.55,5.73,5.11Co3+1,2,3,4,5,66.7,14.0,20.1,25.7,30.8,35.2Cu+1,25.93,10.86Cu2+1,2,3,4,54.31,7.98,11.02,13

3、.32,12.86Fe2+1,21.4,2.2Hg2+1,2,3,48.8,17.5,18.5,19.28Mn2+1,20.8,1.3Ni2+1,2,3,4,5,62.80,5.04,6.77,7.96,8.71,8.74Pd2+1,2,3,49.6,18.5,26.0,32.8Pt2+635.3Zn2+1,2,3,42.37,4.81,7.31,9.462Br-Ag+1,2,3,44.38,7.33,8.00,8.73Bi3+1,2,3,4,5,62.37,4.20,5.90,7.30,8.20,8.30Cd2+1,2,3,

4、41.75,2.34,3.32,3.70,Ce3+10.42Cu+25.89Cu2+10.30Hg2+1,2,3,49.05,17.32,19.74,21.00In3+1,21.30,1.88Pb2+1,2,3,41.77,2.60,3.00,2.30Pd2+1,2,3,45.17,9.42,12.70,14.90Rh3+2,3,4,5,614.3,16.3,17.6,18.4,17.2Sc3+1,22.08,3.08Sn2+1,2,31.11,1.81,1.46Tl3+1,2,3,4,5,69.7,16.6,21.2,23.

5、9,29.2,31.6U4+10.18Y3+11.323Cl-Ag+1,2,43.04,5.04,5.30Bi3+1,2,3,42.44,4.7,5.0,5.6Cd2+1,2,3,41.95,2.50,2.60,2.80Co3+11.42Cu+2,35.5,5.7Cu2+1,20.1,-0.6Fe2+11.17Fe3+29.8Hg2+1,2,3,46.74,13.22,14.07,15.07In3+1,2,3,41.62,2.44,1.70,1.60Pb2+1,2,31.42,2.23,3.23Pd2+1,2,3,46.1,1

6、0.7,13.1,15.7Pt2+2,3,411.5,14.5,16.0Sb3+1,2,3,42.26,3.49,4.18,4.72Sn2+1,2,3,41.51,2.24,2.03,1.48Tl3+1,2,3,48.14,13.60,15.78,18.00Th4+1,21.38,0.38Zn2+1,2,3,40.43,0.61,0.53,0.20Zr4+1,2,3,40.9,1.3,1.5,1.24CN-Ag+2,3,421.1,21.7,20.6Au+238.3Cd2+1,2,3,45.48,10.60,15.23,18.

7、78Cu+2,3,424.0,28.59,30.30Fe2+635.0Fe3+642.0Hg2+441.4Ni2+431.3Zn2+1,2,3,45.3,11.70,16.70,21.605F-Al3+1,2,3,4,5,66.11,11.12,15.00,18.00,19.40,19.80Be2+1,2,3,44.99,8.80,11.60,13.10Bi3+11.42Co2+10.4Cr3+1,2,34.36,8.70,11.20Cu2+10.9Fe2+10.8Fe3+1,2,3,55.28,9.30,12.06,15.7

8、7Ga3+1,2,34.49,8.00,10.50Hf4+1,2,3,4,5,69.0,16.5,23.1,28.8,34.0,38.0Hg2+11.03In3+1,2,3,43.70,6.40,8.60,9.80Mg2+11.30Mn2+15.48Ni2+10.50Pb2+