Другие органических лиганды: оксимы, тиолы и т.д.

CH4N2S,

тиомочевина

H2N-C-NH2 ֐ S

Ag⁺ lg b₁ = 7,11 [ I =0,5] lg b₂ = 10,61 [ I =0,5]

lg b₃ = 12,73 [ I =0,5] lg b₄ = 13,57 [ I =0,5]

Cd^2+ lg b1 = {	1,5 1,82	lg b2 = {	2,22 2,64	lg b3 = {	2,6 3,0
lg b4 = {	3,1 3,8

тиомочевина (продолжение)

Hg^2+ lg b2 = {	21,3 [20 ^oC, I =0,1] 22,1
lg b3 = {	24,2 [20 ^oC, I =0,1] 24,7	lg b4 = {	25,8 [20 ^oC, I =0,1] 26,5
Pb^2+ lg b1 = {	0,09 0,63	lg b2 = {	0,83 1,17	lg b3 = {	1,3 1,8
lg b4 = {	1,5 2,0	lg b5= {	1,5 2,0	lg b6= {	1,7 2,0

Zn²⁺ lg b₁ = 0,5 [ I =2] lg b₂ = 0,8 [ I =2] lg b₃ = 0,9 [ I =2]

CH5N3S,	тиосемикарбазид	H2N-C-NH-NH2 ÷ê S
H^+ (начиная с H‑1L)	lg K H1 = {	12,6 [ I =0,1] 12,5
lg K H2 = {	11,9 [ I =0,1]	lg K H3 = {	1,6 [ I =0,1]
12,0	1,8

Ag⁺ lg b₁ = 12,9 [ I =0,8]

Cd^2+ lg b1 = {	2,28 [20 ^oC, I =0,1] 2,57
lg b2 = {	4,40 [20 ^oC, I =0,1]	lg b3 = 5,86 [ I =1]
4,70
Hg^2+ lg b2 = 22,4 [20 ^oC, I =0,1] lg b3 = 24,8 [20 ^oC, I =0,1] lg b4 = 25,8 [ I =0,8]
Pb^2+ lg b1 = 2,89 [20 ^oC, I =0,1]

Zn²⁺ lg b₁ = 2,8

C₃H₈O₃, HO-CH₂-CH(OH)-CH₂-OH, L, глицерин

B(III) lg K (B(OH)₃ + L Û B(OH)₂(H_‑2L)^‑ + H⁺ + H₂O) = ‑7,54,

lg K (B(OH)₃ + 2 L Û B(H_‑2L)₂^‑ + H⁺ + 3 H₂O) = ‑7,17 [ I =0,1]

Pb²⁺ lg K (Pb(OH)₃^‑ + L Û Pb(OH)(H_‑2L)^‑ + 2 H₂O) = 1,2 [ I =1]

C4H8N2O2,

диметилглиоксим; лиганд, Dm^2‑, диметилглиоксимат-ион

H3C ‑ C ‑ C ‑ CH3 ÷ê ÷ê ^‑O‑N N ‑O^‑

H⁺ lg K _H1 = 12,0 lg K _H2 = 10,66

lg K _D = ‑0,95 [распределение вода, I =0,1, CHCl₃]

Cu²⁺ lg K (Cu²⁺ + 2 HDm^‑ Û Cu(HDm)₂) = 19,24 [ I =0,1]

lg K (Cu²⁺ + 2 HDm^‑ + OH^‑ Û Cu(HDm)₂(OH)^‑) = 22,42 [ I =0,1]

lg K _D(Cu(HDm)₂) = ‑0,93 [распределение: вода, I =0,1, CHCl₃]

Ni²⁺ lg K (Ni²⁺ + 2 HDm^‑ Û Ni(HDm)₂) = 17,24 [ I =0,1]

lg K_s (Ni(HDm)₂(розовый) Û Ni²⁺ + 2 HDm^‑) = ‑23,27 [ I =0,1]

lg K _D(Ni(HDm)₂) = 2,30 [распределение: вода, I =0,1, CHCl₃]

C5H8O2, aцетилацетон;	H
лиганд C5H7O2^‑, Acac^-, aцетилацетонат-ион	CH3¾C = CH ¾C¾ CH3 ÷ ÷ê O^‑ O
H^+ lg K H1 = {	8,99 8,80
lg K D = lg K (HAcac Û HAcac (CHCl3)) = {	1,38 1,29
lg K D = lg K (HAcac Û HAcac (CCl4)) = {	0,52 0,47
lg K D = lg K (HAcac Û HAcac (C6H6)) = {	0,77 0,66

Al³⁺ lg K (Al³⁺ + 3 HAcac Û AlAcac₃ (C₆H₆) + 3 H⁺) = -6,48 [ I =0,1]

C₅H₇O₂^‑, Acac^-, aцетилацетонат-ион (продолжение)

Cu^2+lg b1 = {	8,25	lg b2 = {	15,05
8,22	14,81
lg K D(CuAcac2 Û CuAcac2 (CCl4)) = {	0,70 [ I =0,1]
0,83
lg K D(CuAcac2 Û CuAcac2 (C6H6)) = {	1,0 [ I =0,1]
1,10
lg K ex = lg K (Cu^2+ + 2 HAcac (CCl4) Û Û CuAcac2 (CCl4) + 2 H^+) = {	-3,47 [ I =0,1]
–3,73

Fe³⁺ lg b₁ = 9,8 [30 ^oC], lg b₂ = 18,8 [30 ^oC], lg b₃ = 26,2 [30 ^oC]

lg K _ex = lg K (Fe³⁺ + 3 HAcac (C₆H₆) Û FeAcac₃ (C₆H₆) + 3 H⁺) =

= - 1,39 [20^oC, I =0,1]

Pb²⁺ lg b₁ = 6,32 [30 ^oC, I =0,7]

lg K _D(PbAcac₂ Û PbAcac₂ (C₆H₆)) = 0,6 [20 ^oC, I =0,1]

lg K _ex = lg K (Pb²⁺ + 2 HAcac (C₆H₆) Û PbAcac₂ (C₆H₆) + 2 H⁺) =

= - 10,15 [20 ^oC, I =0,1]

Zn²⁺ lg b₁ = 5,06, lg b₂ = 9,00

lg K D(ZnAcac2 Û ZnAcac2 (CCl4)) = {	0,65 [ I =0,1] 0,38
lg K D(ZnAcac2 Û ZnAcac2 (C6H6)) = {	‑ 0,6 [20 ^oC, I =0,1] - 0,19
lg K ex = lg K (Zn^2+ + 2 HAcac (CCl4) Û Û ZnAcac2 (CCl4) + 2 H^+) = {	-10,69 [ I =0,1] -11,40

lg K _ex = lg K (Zn²⁺ + 2 HAcac (C₆H₆) Û

Û ZnAcac₂ (C₆H₆) + 2 H⁺) = ‑ 11,0 [ I =1]

C5H11NS2,

диетилдитиокарбаминовая кислота; лиганд, Ddc^-, диетил дитиокарбаминат-иoн

H^+ lg K H1 = {

3,42 3,16

lg K D = lg K (HDdc Û ) = = 2,38 (CCl4), 3,37 (CHCl3)

Ag⁺ lg K_S = - 19,8

Bi³⁺ lg b₃ = 27,55

lg K _D = lg K (BiDdc₃ Û BiDdc₃ (CHCl₃)) = 9,00

lg K _D = lg K (BiDdc₃ Û BiDdc₃ (CCl₄)) = 7,65

lg K _D = lg K (BiDdc₃ Û BiDdc₃ (C₆H₆)) = 8,26

Co²⁺ lg K_S = - 19,8, lg b₂ = 13,2

lg K _D = lg(CoDdc₂ Û CoDdc₂ (CHCl₃)) = 6,60

lg K _D = lg K (CoDdc₂ Û CoDdc₂ (CCl₄)) = 5,38

lg K _D = lg K (CoDdc₂ Û CoDdc₂ (C₆H₆)) = 5,98

Cu²⁺ lg K_S = - 30,2, lg b₂ = 18,4

lg K _D = lg K (CuDdc₂ Û CuDdc₂ (CHCl₃)) = 9,34

lg K _D = lg K (CuDdc₂ Û CuDdc₂ (CCl₄)) = 8,34

lg K _D = lg K (CuDdc₂ Û CuDdc₂ (C₆H₆)) = 8,11

Cd²⁺ lg K_S = ‑ 22,0, lg b₂ = 12,9

lg K _D = lg K (CdDdc₂ Û CdDdc₂ (CHCl₃)) = 5,88

lg K _D = lg K (CdDdc₂ Û CdDdc₂ (CCl₄)) = 5,81

lg K _D = lg K (CdDdc₂ Û CdDdc₂ (C₆H₆)) = 5,88

Hg²⁺ lg b₁ = 22,3 lg b₂ = 38,1 lg b₃ = 39,1

lg K_s = ‑ 43,5 [ I = 0,1]

Mn²⁺ lg b₂ = 7,08

lg K _D = lg K (MnDdc₂ Û MnDdc₂ (CHCl₃)) = 3,40

lg K _D = lg K (MnDdc₂ Û MnDdc₂ (CCl₄)) = 3,15

lg K _D = lg K (MnDdc₂ Û MnDdc₂ (C₆H₆)) = 3,11

56C₅H₁₁NS₂^‑, Ddc^-, диетилдитиокарбаминат-иoн (продолжение)

Ni²⁺ lg K_S = ‑ 19,3 lg b₂ = 12,6

lg K _D = lg K (NiDdc₂ Û NiDdc₂ (CHCl₃)) = 6,36

lg K _D = lg K (NiDdc₂ Û NiDdc₂ (CCl₄)) = 5,67

lg K _D = lg K (NiDdc₂ Û NiDdc₂ (C₆H₆)) = 5,83

Pb²⁺ lg K_S = ‑ 21,8 lg b₂ = 14,3

lg K _D = lg K (PbDdc₂ Û PbDdc₂ (CHCl₃)) = 7,41,

lg K _D = lg K (PbDdc₂ Û PbDdc₂ (CCl₄)) = 6,48,

lg K _D = lg K (PbDdc₂ Û PbDdc₂ (C₆H₆)) = 6,72

Zn²⁺ lg K_S = ‑ 16,8 lg b₂ = 10,6

lg K _D = lg K (ZnDdc₂ Û ZnDdc₂ (CHCl₃)) = 5,28

lg K _D = lg K (ZnDdc₂ Û ZnDdc₂ (CCl₄)) = 4,81

lg K _D = lg K (ZnDdc₂ Û ZnDdc₂ (C₆H₆)) = 5,11

C6H6N2O2

N-нитрозофенил-гидроксиламин (купферон); лиганд Nph^‑, купферонат-ион

H⁺ lg K _H1 = lg K (Nph^- + H⁺ Û HNph) = 4,16 [ I =0,1]

(дальше реагенты с подчеркнутыми формулами - в растворителе CHCl₃, в водной фазе I =0,1)

lg K _D = lg K (HNph Û ) = 2,18

Al³⁺ lg K _ex = lg K (Al³⁺ + 3 Û + 3 H⁺)» 7

Bi³⁺ lg K _ex = lg K (Bi³⁺ + 3 Û + 3 H⁺) = 5,08

Co²⁺ lg K _ex = lg K (Co²⁺ + 2 Û + 2 H⁺) = -3,56

Cu²⁺ lg K_s = ‑ 16,03

lg K _ex = lg K (Cu²⁺ + 2 Û + 2 H⁺) = 2,69

Fe³⁺ lg K_s = ‑25

lg K _ex = lg K (Fe³⁺ + 3 Û + 3 H⁺) = 9,85

Hg²⁺ lg K _ex = lg K (Hg²⁺ + 2 Û + 2 H⁺) = 0,91

Pb²⁺ lg K _ex = lg K (Pb²⁺ + 2 Û + 2 H⁺) = -1,53

C6H6O	фенол; лиганд фенолят-ион
H^+ lg K H1 = {	9,98, D H = ‑23,0
9,52 {I=3]

Ag⁺ lg b₁ = 0,34 [ I =1]

Fe³⁺ lg b₁ = 8,20

C10H7NO2,

1-нитрозо-2-нафтол; лиганд C10H6NO2^‑, L^-, 1-нитрозо-2-нафтолат-ион

H⁺ lg K _H1 = lg K (L^- + H⁺ Û HL) = 5,09

lg K _D = lg K (HL Û HL (CHCl₃)) =2,97

(реагенты с подчеркнутыми формулами - в растворителе CHCl₃)

Cu²⁺ lg K _ex = lg K (Cu²⁺ + 2 Û + 2 H⁺) = 0,87 [ I =0,1]

Ni²⁺ lg K _ex = lg K (Ni²⁺ + 2 Û + 2 H⁺) = ‑ 4,3 [ I =0,1]

C13H11NO2

бензоилфенилгидроксиламин; лиганд C13H10NO2^‑, Bph^-, бензоилфенилгидроксиламинат-ион

H⁺ lg K _H1 = lg K (Bph^- + H⁺ Û HBph) = 8,14 [ I =0,1]

lg K _D = lg K (HBph Û HBph (CCl₄)) = 2,23,

lg K _D = lg K (HBph Û HBph (C₆H₆)) =1,65 [ I =1,0]

lg K _D = lg K (HBph Û HBph (CHCl₃)) = 2,33 [ I =0,1]

Al³⁺ lg K _ex = lg K (Al³⁺ + 3 HBph (CHCl₃) Û

Û AlBph₃ (CHCl₃)+ 3 H⁺)» 7 [ I =0,5]

Bi³⁺ lg K _ex = lg K (Bi³⁺ + 3 HBph (CHCl₃) Û

Û BiBph₃ (CHCl₃) + 3 H⁺) = 5,1 [ I =0,5]

Cd²⁺ lg K _ex = lg K (Cd²⁺ + 2 HBph (CHCl₃) Û

Û CdBph₂ (CHCl₃) + 2 H⁺) = -12,08 [ I =0,1]

Bph^-, бензоилфенилгидроксиламинат-ион (продолжение)

Co²⁺ lg K _ex = lg K (Co²⁺ + 2 HBph (CHCl₃) Û

Û CoBph₂ (CHCl₃) + 2 H⁺) = -1,02 [ I =0,1]

Cu²⁺ lg K _ex = lg K (Cu²⁺ + 2 HBph (CHCl₃) Û

Û CuBph₂ (CHCl₃) + 2 H⁺) = 0,66 [ I =0,1]

Fe³⁺ lg K _ex = lg K (Fe³⁺ + 3 HBph (CHCl₃) Û

Û FeBph₃ (CHCl₃) + 3 H⁺) = 5,27 [ I =0,1]

Ni²⁺ lg K _ex = lg K (Ni²⁺ + 2 HBph (CHCl₃) Û

Û NiBph₂ (CHCl₃) + 2 H⁺) = -8,0

Pb²⁺ lg K _ex = lg K (Pb²⁺ + 2 HBphha (CHCl₃) Û

Û PbBphha₂ (CHCl₃) + 2 H⁺) = -8,2 [ I =0,5]

Zn²⁺ lg K _ex = lg K (Zn²⁺ + 2 HBphha (CHCl₃) Û

Û ZnBphha₂ (CHCl₃) + 2 H⁺) = -9,96 [ I =0,1]

C₁₃H₁₂N₄S, C₆H₅-N=N-(C=S)-(NH)-(NH)-C₆H₅, дифенилтиокарбазон (дитизон); лиганд C₁₃H₁₀N₄S^2‑, Dz^2‑, дифенилтиокарбазонат-ион (дитизонат-ион),

реагенты с подчеркнутыми формулами - в растворителе CCl₄.

lg K _D(H₂Dz Û H₂Dz (CCl₄)) = lg K _D(H₂Dz Û ) = 4,60 [ I =0,1]

H⁺ lg K _H2 = lg K (HDz^‑ + H⁺ Û H₂Dz) = 4,46 [ I =0,1]

lg K (HDz^‑ + H^+ Û ) = {

9,02 [ I =0,1] 9,08

Ag⁺ lg K _ex(Ag⁺ + Û + H⁺) = 7,6 [18 ^oC, I =0,1]

Bi³⁺ lg K _ex(Bi³⁺ + 3 Û + 3 H⁺) = 10,91 [ I =0,1]

Cd²⁺ lg K _ex(Cd²⁺ + 2 Û + 2 H⁺) = 2,0 [20 ^oC]

Co²⁺ lg K _ex(Co²⁺ + 2 Û + 2 H⁺) = 1,08 [ I =1]

Cu²⁺ lg b₂ = 2,23 [ I =0,1]

lg K ex(Cu^2+ + 2 Û Û + 2 H^+) ={

10,48 10,4 [20 ^oC]

Hg²⁺ lg K _ex(Hg²⁺ + 2 Û + 2 H⁺) = 26,79

[13 ^oC, I =0,1]

Dz^2‑, дифенилтиокарбазонат-ион, дитизонат-ион

(продолжение)

Ni²⁺ lg b₁ = 5,83 [ I =0,1]

lg K _ex(Ni²⁺ + 2 Û + 2 H⁺) = ‑1,2

Pb²⁺ lg b₂ = 15,2 [ I =0,1]

lg K _ex(Pb²⁺ + 2 Û + 2 H⁺) = 0,76 [ I =0,1]

Zn²⁺ lg b₁ = 7,75 [ I =1]

lg K ex(Zn^2+ + 2 Û + 2 H^+) ={

2,11 2,0

C15H11N3O

1-(2-пиридилазо)-2- нафтол, ПАН; лиганд, Pan^‑, 1-(2-пиридилазо)-2-нафтолат-ион

H⁺ lg K _H1 = lg K (Pan ^‑ + H⁺ Û HPan) = 9,1 [~33 ^oC, I = 0,1]

lg K _H2 = lg K (HPan + H⁺ Û H₂Pan ⁺) = 3,0 [~33 ^oC, I = 0,1]

lg K _D = lg K (HPan Û HPan (CHCl₃)) = 5,4

lg K _D = lg K (HPan Û HPan (CCl₄)) = 4,0

Cd²⁺ lg K _ex = lg K (Cd²⁺ + 2 HPan (CHCl₃) Û

Û CdPan₂ (CHCl₃) + 2 H⁺) = -7,9

То же с неводяною фазой CCl₄, lg K _ex = -7,4

Mn²⁺ lg K _ex = lg K (Mn²⁺ + 2 HPan (CHCl₃) Û

Û MnPan₂ (CHCl₃) + 2 H⁺) = -11,0 [ I = 0,01]

То же с неводяною фазой CCl₄, lg K _ex = -9,8 [ I = 0,01]

Zn²⁺ lg K _ex = lg K (Zn²⁺ + 2 HPan (CHCl₃) Û

Û ZnPan₂ (CHCl₃) + 2 H⁺) = -5,8