錯体化学
錯体のファクター > 全生成定数

全生成定数 overall formation constant とは、錯体MLiを生成する反応
の反応定数。すなわち、
i個のLと配位結合するために、水とのみ配位結合している塩Mは最低i回衝突をしなければならない。全生成定数は、水溶液に混ぜた金属Mが添加量あたりどの位の割合で錯体MLiになるかを示す。逐次生成定数との間には次の関係が成り立つ。
下図に配位子と金属塩ごとの全生成定数の値を示した。
| 配位子 | 金属塩 | n ＝ 1 | 2 | 3 | 4 | 5 | 6 | 配位子 | 金属塩 | n ＝ 1 | 2 | 3 | 4 | 5 | 6 |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| OH- | Ag+ | 2.0 | 4.0 |  |  |  |  | NH3 | Ag+ | 3.31 | 7.22 |  |  |  |  |
|  | Al3+ | 9.01 | 18.7 | 27.0 | 33.0 |  |  |  | Cu+ | 5.93 | 10.58 |  |  |  |  |
|  | Cd2+ | 3.9 | 7.7 |  |  |  |  |  | Cd2+ | 2.55 | 4.56 | 5.90 | 6.64 |  |  |
|  | Cu2+ | 6.3 | 12.8 | 14.5 | 15.6 |  |  |  | Co2+ | 1.99 | 3.50 | 4.43 | 5.07 | 5.13 | 4.39 |
|  | Fe2+ | 4.5 | 7.4 | 10.0 | 9.6 |  |  |  | Cu2+ | 4.04 | 7.47 | 10.27 | 11.75 |  |  |
|  | Fe3+ | 11.81 | 22.3 |  |  |  |  |  | Ni2+ | 2.72 | 4.89 | 6.55 | 7.67 | 8.34 | 8.31 |
|  | Hg2+ | 10.6 | 21.8 | 20.9 |  |  |  |  | Zn2+ | 2.21 | 4.50 | 6.86 | 8.89 |  |  |
|  | Ni2+ | 4.1 | 8 | 11 |  |  |  | en | Ag+ | 4.70 | 7.70 |  |  |  |  |
|  | Pb2+ | 6.3 | 10.9 | 13.9 |  |  |  |  | Cd2+ | 5.84 | 10.62 | 12.69 |  |  |  |
|  | Zn2+ | 5.0 | 11.1 | 13.6 | 14.8 |  |  |  | Co2+ | 5.6 | 10.5 | 13.8 |  |  |  |
| [[フッ素|F- | Al3+]] | 6.11 | 11.12 | 15.0 | 18.0 | 19.4 | 19.8 |  | Cu2+ | 10.48 | 19.55 |  |  |  |  |
|  | Fe3+ | 5.18 | 9.13 | 11.90 |  |  |  |  | Ni2+ | 7.32 | 13.50 | 17.61 |  |  |  |
| [[塩素|Cl- | Ag+]] | 3.70 | 5.62 | 6.4 | 6.1 |  |  |  | Zn2+ | 5.66 | 10.64 | 13.89 |  |  |  |
|  | Cd2+ | 1.98 | 2.6 | 2.4 | 1.7 |  |  | CH3COO- | Ag+ | 0.73 | 0.64 |  |  |  |  |
|  | Cu2+ | 0.40 |  |  |  |  |  |  | Cd2+ | 1.32 | 2.26 | 2.42 | 2.0 |  |  |
|  | Fe3+ | 1.48 | 2.13 |  |  |  |  |  | Cu2+ | 1.87 | 3.12 | 3.58 | 3.3 |  |  |
|  | Hg2+ | 6.74 | 13.22 | 14.1 | 15.1 |  |  |  | Fe3+ | 3.38 | 6.5 | 8.3 |  |  |  |
|  | Pb2+ | 1.59 | 1.8 | 1.7 | 1.4 |  |  |  | Pb2+ | 2.33 | 3.60 | 3.6 | 2.9 |  |  |
| Br- | Ag+ | 4.68 | 7.7 | 8.7 | 9.0 |  |  | phen | Ag+ |  | 5.02 | 12.06 |  |  |  |
|  | Cd2+ | 2.14 | 3.0 | 3.0 | 2.9 |  |  |  | Cd2+ | 5.8 | 10.6 | 14.6 |  |  |  |
|  | Hg2+ | 9.00 | 17.1 | 19.4 | 21.0 |  |  |  | Co2+ | 7.08 | 13.72 | 19.8 |  |  |  |
|  | Pb2+ | 1.77 | 2.6 | 3.0 | 2.3 |  |  |  | Fe2+ |  |  | 20.7 |  |  |  |
| I- | Ag+ | 6.58 | 11.7 | 14.1 | 14.4 |  |  |  | Fe3+ |  |  | 13.8 |  |  |  |
|  | Cd2+ | 2.28 | 3.92 | 5.0 | 6.0 |  |  |  | Ni2+ | 8.6 | 16.7 | 24.3 |  |  |  |
|  | Hg2+ | 12.87 | 23.82 | 27.6 | 29.8 |  |  |  | Zn2+ | 6.4 | 12.2 | 17.1 |  |  |  |
|  | Pb2+ | 1.92 | 3.2 | 3.9 | 4.5 |  |  | edta4- | Ag+ | 7.32 |  |  |  |  |  |
|  | Pb2+ | 1.92 | 3.2 | 3.9 | 4.5 |  |  |  | Al3+ | 16.5 |  |  |  |  |  |
| CN- | Ag+ |  | 20.48 | 21.4 |  |  |  |  | Ba2+ | 7.80 |  |  |  |  |  |
|  | Cd2+ | 6.01 | 11.12 | 15.65 | 17.92 |  |  |  | Ca2+ | 10.61 |  |  |  |  |  |
|  | Fe2+ |  |  |  |  |  | 35.4 |  | Cd2+ | 16.36 |  |  |  |  |  |
|  | Fe3+ |  |  |  |  |  | 43.6 |  | Co2+ | 16.26 |  |  |  |  |  |
|  | Hg2+ | 17.00 | 32.75 | 36.31 | 38.97 |  |  |  | Cu2+ | 18.70 |  |  |  |  |  |
|  | Ni2+ |  |  |  | 30.22 |  |  |  | Fe2+ | 14.27 |  |  |  |  |  |
|  | Zn2+ |  | 11.07 | 16.05 | 19.62 |  |  |  | Fe3+ | 25.0 |  |  |  |  |  |
| SCN- | Ag+ | 4.8 | 8.23 | 9.5 | 9.7 |  |  |  | Hg2+ | 21.5 |  |  |  |  |  |
|  | Cd2+ | 1.89 | 2.78 | 2.8 | 2.3 |  |  |  | Mg2+ | 8.83 |  |  |  |  |  |
|  | Co2+ | 1.72 |  |  |  |  |  |  | Mn2+ | 13.81 |  |  |  |  |  |
|  | Fe3+ | 3.02 | 4.64 |  |  |  |  |  | Ni2+ | 18.52 |  |  |  |  |  |
|  | Ni2+ | 1.76 |  |  |  |  |  |  | Pb2+ | 17.88 |  |  |  |  |  |
|  |  |  |  |  |  |  |  |  | Sr2+ | 8.68 |  |  |  |  |  |
|  |  |  |  |  |  |  |  |  | Zn2+ | 16.44 |  |  |  |  |  |