LJPcalc Ion Charge and Conductivity Library
Notes
- This document provides a table supplying elementary charge and molar conductivity for common ions.
- All conductivities on this page assume ambient temperature (~25C).
- Conductivities normalized to K (73.5) are suffixed with "*K".
- Ions higher in the list are used by LJPcalc when duplicates are present.
- Uncharged molecules (like glucose) don't conduct electricity in solution and therefore do not influence LJP
- Large charged molecules (like EGTA and phosphocreatine) have low mobilities so their influence on LJP is negligible when solutions contain appreciable concentrations of small ions. Therefore, large molecules can be omitted from LJP calculations for most biological applications.
Langes Handbook of Chemistry
Fifteenth Edition, Table 8.32, page 997\ http://fptl.ru/biblioteka/spravo4niki/dean.pdf
Inorganic Cations | Charge | Conductivity (E-4) |
---|---|---|
Ag | +1 | 61.9 |
Al | +3 | 61 |
Ba | +2 | 63.9 |
Be | +2 | 45 |
Ca | +2 | 59.5 |
Cd | +2 | 54 |
Ce | +3 | 70 |
Co | +2 | 53 |
Co(NH3)6 | +3 | 100 |
Co(ethylenediamine)3 | +3 | 74.7 |
Cr | +3 | 67 |
Cs | +1 | 77.3 |
Cu | +2 | 56.6 |
D | +1 | 213.7 |
Dy | +3 | 65.7 |
Er | +3 | 66 |
Eu | +3 | 67.9 |
FeII | +2 | 53.5 |
FeIII | +3 | 69 |
Gd | +3 | 67.4 |
H | +1 | 350.1 |
Hg2 | +2 | 68.7 |
Hg | +2 | 63.6 |
Ho | +3 | 66.3 |
K | +1 | 73.5 |
La | +3 | 69.6 |
Li | +1 | 38.69 |
Mg | +2 | 53.06 |
Mn | +2 | 53.5 |
NH | 4 | 73.7 |
N2H5 | +1 | 59 |
Na | +1 | 50.11 |
Nd | +3 | 69.6 |
Ni | +2 | 50 |
Pb | +2 | 71 |
Pr | +3 | 69.6 |
Ra | +2 | 66.8 |
Rb | +1 | 77.8 |
Sc | +3 | 64.7 |
Sm | +3 | 68.5 |
Sr | +2 | 59.46 |
Tl | +1 | 74.9 |
Tm | +3 | 65.5 |
UO2 | +2 | 32 |
Y | +3 | 62 |
Yb | +3 | 65.2 |
Zn | +2 | 52.8 |
Inorganic Anions | Charge | Conductivity (E-4) |
---|---|---|
Au(CN)2 | -1 | 50 |
Au(CN)4 | -1 | 36 |
B(C6H5)4 | -1 | 21 |
Br | -1 | 78.1 |
Br3 | -1 | 43 |
BrO3 | -1 | 55.7 |
Cl | -1 | 76.31 |
ClO2 | -1 | 52 |
ClO3 | -1 | 64.6 |
ClO4 | -1 | 67.3 |
CN | -1 | 78 |
CO3 | -2 | 69.3 |
Co(CN)6 | -3 | 98.9 |
CrO4 | -2 | 85 |
F | -1 | 55.4 |
Fe(CN)6 IIII | -4 | 110.4 |
Fe(CN)6 III | -3 | 100.9 |
H2AsO4 | -1 | 34 |
HCO3 | -1 | 44.5 |
HF2 | -1 | 75 |
HPO4 | -2 | 33 |
H2PO4 | -1 | 33 |
HS | -1 | 65 |
HSO3 | -1 | 50 |
HSO4 | -1 | 50 |
H2SbO4 | -1 | 31 |
I | -1 | 76.9 |
IO3 | -1 | 40.5 |
IO4 | -1 | 54.5 |
MnO4 | -1 | 61.3 |
MoO4 | -2 | 74.5 |
N3 | -1 | 69.5 |
N(CN)2 | -1 | 54.5 |
NO2 | -1 | 71.8 |
NO3 | -1 | 71.42 |
NH2SO3 (sulfamate) | -1 | 48.6 |
OCN (cyanate) | -1 | 64.6 |
OH | -1 | 198 |
PF6 | -1 | 56.9 |
PO3F | -2 | 63.3 |
PO4 | -3 | 69 |
P2O7 | -4 | 96 |
P3O9 | -3 | 83.6 |
P3O10 | -5 | 109 |
ReO4 | -1 | 54.9 |
SCN (thiocyanate) | -1 | 66.5 |
SeCN | -1 | 64.7 |
SeO4 | -2 | 75.7 |
SO3 | -2 | 79.9 |
SO4 | -2 | 80 |
S2O3 | -2 | 85 |
S2O4 | -2 | 66.5 |
S2O6 | -2 | 93 |
S2O8 | -2 | 86 |
WO4 | -2 | 69.4 |
Organic Cations | Charge | Conductivity (E-4) |
---|---|---|
Decylpyridinium | +1 | 29.5 |
Diethylammonium | +1 | 42 |
Dimethylammonium | +1 | 51.5 |
Dipropylammonium | +1 | 30.1 |
Dodecylammonium | +1 | 23.8 |
Ethylammonium | +1 | 47.2 |
Ethyltrimethylammonium | +1 | 40.5 |
Isobutylammonium | +1 | 38 |
Methylammonium | +1 | 58.3 |
Piperidinium | +1 | 37.2 |
Propylammonium | +1 | 40.8 |
Tetrabutylammonium | +1 | 19.5 |
Tetraethylammonium | +1 | 32.6 |
Tetramethylammonium | +1 | 44.9 |
Tetrapropylammonium | +1 | 23.5 |
Triethylsulfonium | +1 | 36.1 |
Trimethylammonium | +1 | 47.2 |
Trimethylsulfonium | +1 | 51.4 |
Tripropylammonium | +1 | 26.1 |
Organic Anions | Charge | Conductivity (E-4) |
---|---|---|
Acetate | -1 | 41 |
Benzoate | -1 | 32.4 |
Bromoacetate | -1 | 39.2 |
Bromobenzoate | -1 | 30 |
Butanoate | -1 | 32.6 |
Chloroacetate | -1 | 42.2 |
m-Chlorobenzoate | -1 | 31 |
o-Chlorobenzoate | -1 | 30.5 |
Citrate | -3 | 70.2 |
Crotonate | -1 | 33.2 |
Cyanoacetate | -1 | 43.4 |
Cyclohexanecarboxylate | -1 | 28.7 |
Cyclopropane-1,3-dicarboxylate2 | -1 | 53.4 |
Decylsulfonate | -1 | 26 |
Dichloroacetate | -1 | 38.3 |
Diethylbarbiturate | -2 | 26.3 |
Dihydrogencitrate | -1 | 30 |
Dimethylmalonate | -2 | 49.4 |
3, 5-Dinitrobenzoate | -1 | 28.3 |
Dodecylsulfonate | -1 | 24 |
Ethylmalonate | -1 | 49.3 |
Ethylsulfonate | -1 | 39.6 |
Fluoroacetate | -1 | 44.4 |
Fluorobenzoate | -1 | 33 |
Formate | -1 | 54.6 |
Fumarate | -2 | 61.8 |
Glutarate | -2 | 52.6 |
Hydrogenoxalate | -1 | 40.2 |
Iodoacetate | -1 | 40.6 |
Lactate | -1 | 38.8 |
Malate | -2 | 58.8 |
Malonate | -1 | 63.5 |
3-Methylbutanoate | -1 | 32.7 |
Methylsulfonate | -1 | 48.8 |
Naphthylacetate | -1 | 28.4 |
1, 8-Octanedioate | -2 | 36 |
Octylsulfonate | -1 | 29 |
Oxalate | -2 | 74.11 |
Phenylacetate | -1 | 30.6 |
m-Phthalate | -2 | 54.7 |
o-Phthalate | -2 | 52.3 |
Picrate | -1 | 30.37 |
Propanoate | -1 | 35.8 |
Propylsulfonate | -1 | 37.1 |
Salicylate | -1 | 36 |
Succinate | -2 | 58.8 |
Tartrate | -2 | 59.6 |
Trichloroacetate | -1 | 36.6 |
Trimethylacetate | -1 | 31.9 |
UNSW Medicine
https://medicalsciences.med.unsw.edu.au/research/research-services/ies/ionicmobilitytables
Ion Table 1 | Charge | Conductivity (E-4) |
---|---|---|
Choline | +1 | 0.51*K |
Cs | +1 | 1.05*K |
K | +1 | 1*K |
Li | +1 | 0.526*K |
NH4 (Ammonium) | +1 | 1.001*K |
Na | +1 | 0.682*K |
Rb | +1 | 1.059*K |
TEA (TetraethylAmmonium) | +1 | 0.444*K |
TMA (TetramethylAmmonium) | +1 | 0.611*K |
Acetate | -1 | 0.556*K |
Benzoate | -1 | 0.441*K |
Br | -1 | 1.063*K |
Cl | -1 | 1.0382*K |
ClO4 (Perchlorate) | -1 | 0.916*K |
F | -1 | 0.753*K |
H2PO | -1 | 0.45*K |
HCO3 | -1 | 0.605*K |
I | -1 | 1.0456*K |
NO3 (Nitrate) | -1 | 0.972*K |
Picrate | -1 | 0.411*K |
Propionate | -1 | 0.487*K |
SCN (Thiocyanate) | -1 | 0.901*K |
Co | +2 | 0.367*K |
Mg | +2 | 0.361*K |
HPO4 | -2 | 0.39*K |
SO4 | -2 | 0.544*K |
Ion Table 2 | Charge | Conductivity (E-4) |
---|---|---|
NMDG | +1 | 0.33*K |
Tris | +1 | 0.4*K |
Aspartate | -1 | 0.3*K |
Gluconate | -1 | 0.33*K |
Glutamate | -1 | 0.26*K |
HEPES | -1 | 0.3*K |
Isethionate | -1 | 0.52*K |
MES | -1 | 0.37*K |
MOPS | -1 | 0.35*K |
EGTA(2-) | -2 | 0.24*K |
EGTA(3-) | -3 | 0.25*K |
Ion Table 3 | Charge | Conductivity (E-4) |
---|---|---|
Thallium | +1 | 1.02*K |
Butyrate | -1 | 0.44*K |
Citrate | -3 | 0.318*K |
2-(Methyl-Amino) Ethanol | +1 | 0.49*K |
N-Methylethanolamine | +1 | 0.49*K |
Ion Table 4 | Charge | Conductivity (E-4) |
---|---|---|
Ag | +1 | 0.842*K |
Diethylammonium | +1 | 0.57*K |
Dimethylammonium | +1 | 0.705*K |
Ethyltrimethylammonium | +1 | 0.551*K |
H | +1 | 4.757*K |
Piperidinium | +1 | 0.506*K |
Tetrabutylammonium | +1 | 0.265*K |
Tetrapropylammonium | +1 | 0.318*K |
Triethylammonium | +1 | 0.467*K |
Trimethylammonium | +1 | 0.643*K |
Bromoacetate | -1 | 0.533*K |
Bromobenzoate | -1 | 0.41*K |
Chloroacetate | -1 | 0.541*K |
CNO (Cyanate) | -1 | 0.879*K |
Cyanoacetate | -1 | 0.59*K |
Dichloroacetate | -1 | 0.521*K |
Ethylsulfate | -1 | 0.539*K |
Ethylsulfonate | -1 | 0.539*K |
Fluoroacetate | -1 | 0.604*K |
Fluorobenzoate | -1 | 0.45*K |
Formate | -1 | 0.743*K |
Iodoacetate | -1 | 0.552*K |
Lactate | -1 | 0.528*K |
Methylsulfate | -1 | 0.664*K |
methanesulfonate | -1 | 0.664*K |
Methylsulfonate | -1 | 0.664*K |
OH (hydroxide) | -1 | 2.69*K |
ReO4 (Rhenate) | -1 | 0.747*K |
Salicylate | -1 | 0.49*K |
Trichloroacetate | -1 | 0.476*K |
Cd | +2 | 0.37*K |
Cu | +2 | 0.365*K |
Fe | +2 | 0.37*K |
Hg | +2 | 0.433*K |
Mn | +2 | 0.364*K |
Ni | +2 | 0.337*K |
Pb | +2 | 0.48*K |
Malate | -2 | 0.4*K |
Maleate | -2 | 0.421*K |
Oxalate | -2 | 0.504*K |
Succinate | -2 | 0.4*K |
Gd | +3 | 0.305*K |
Fe | +3 | 0.308*K |
La | +3 | 0.316*K |
Citrate | -3 | 0.318*K |
ATP (Adenosine 5'-Triphosphate) | -2 | 0.15*K |
ATP (Adenosine 5'-Triphosphate) | -3 | 0.15*K |
ATP (Adenosine 5'-Triphosphate) | -4 | 0.15*K |
Ion Table 5 | Charge | Conductivity (E-4) |
---|---|---|
2-AP (2-aminopyridine) | +1 | 0.45*K |
3-AP (3-aminopyridine) | +1 | 0.46*K |
4-AP (4-aminopyridine) | +2 | 0.29*K |
Ions likely irrelevant to LJP calculations
These ions are very unlikely to affect the calculated LJP due to exceptionally low mobility, no charge, or common use at extremely low concentrations (see the theory page for details).
By listing such molecules here we confirm we know they exist, and remind users they are probably not important for caculating LJP.
Irrelevant Ion | Charge | Conductivity (E-4) |
---|---|---|
GTP | +1 | 0 |
Glucose | 0 | 0 |
Sucrose | 0 | 0 |
Dextrose | 0 | 0 |
Source code last modified on January 6th, 2021
--- title: LJPcalc - Table of Ion Mobilities description: Mobilities and conductances for many ions with references --- # LJPcalc Ion Charge and Conductivity Library ### Notes * This document provides a table supplying [elementary charge](https://en.wikipedia.org/wiki/Elementary_charge) and [molar conductivity](https://en.wikipedia.org/wiki/Molar_conductivity) for common ions. * All conductivities on this page assume ambient temperature (~25C). * Conductivities normalized to K (73.5) are suffixed with "*K". * Ions higher in the list are used by LJPcalc when duplicates are present. * Uncharged molecules (like glucose) don't conduct electricity in solution and therefore do not influence LJP * Large charged molecules (like EGTA and phosphocreatine) have low mobilities so their influence on LJP is negligible when solutions contain appreciable concentrations of small ions. Therefore, large molecules can be omitted from LJP calculations for most biological applications. ### **Langes Handbook of Chemistry** Fifteenth Edition, Table 8.32, page 997\ http://fptl.ru/biblioteka/spravo4niki/dean.pdf Inorganic Cations|Charge|Conductivity (E-4) ---|---|--- Ag|+1|61.9 Al|+3|61 Ba|+2|63.9 Be|+2|45 Ca|+2|59.5 Cd|+2|54 Ce|+3|70 Co|+2|53 Co(NH3)6|+3|100 Co(ethylenediamine)3|+3|74.7 Cr|+3|67 Cs|+1|77.3 Cu|+2|56.6 D|+1|213.7 Dy|+3|65.7 Er|+3|66 Eu|+3|67.9 FeII|+2|53.5 FeIII|+3|69 Gd|+3|67.4 H|+1|350.1 Hg2|+2|68.7 Hg|+2|63.6 Ho|+3|66.3 K|+1|73.5 La|+3|69.6 Li|+1|38.69 Mg|+2|53.06 Mn|+2|53.5 NH|4|73.7 N2H5|+1|59 Na|+1|50.11 Nd|+3|69.6 Ni|+2|50 Pb|+2|71 Pr|+3|69.6 Ra|+2|66.8 Rb|+1|77.8 Sc|+3|64.7 Sm|+3|68.5 Sr|+2|59.46 Tl|+1|74.9 Tm|+3|65.5 UO2|+2|32 Y|+3|62 Yb|+3|65.2 Zn|+2|52.8 Inorganic Anions|Charge|Conductivity (E-4) ---|---|--- Au(CN)2|-1|50 Au(CN)4|-1|36 B(C6H5)4|-1|21 Br|-1|78.1 Br3|-1|43 BrO3|-1|55.7 Cl|-1|76.31 ClO2|-1|52 ClO3|-1|64.6 ClO4|-1|67.3 CN|-1|78 CO3|-2|69.3 Co(CN)6|-3|98.9 CrO4|-2|85 F|-1|55.4 Fe(CN)6 IIII|-4|110.4 Fe(CN)6 III|-3|100.9 H2AsO4|-1|34 HCO3|-1|44.5 HF2|-1|75 HPO4|-2|33 H2PO4|-1|33 HS|-1|65 HSO3|-1|50 HSO4|-1|50 H2SbO4|-1|31 I|-1|76.9 IO3|-1|40.5 IO4|-1|54.5 MnO4|-1|61.3 MoO4|-2|74.5 N3|-1|69.5 N(CN)2|-1|54.5 NO2|-1|71.8 NO3|-1|71.42 NH2SO3 (sulfamate)|-1|48.6 OCN (cyanate)|-1|64.6 OH|-1|198 PF6|-1|56.9 PO3F|-2|63.3 PO4|-3|69 P2O7|-4|96 P3O9|-3|83.6 P3O10|-5|109 ReO4|-1|54.9 SCN (thiocyanate)|-1|66.5 SeCN|-1|64.7 SeO4|-2|75.7 SO3|-2|79.9 SO4|-2|80 S2O3|-2|85 S2O4|-2|66.5 S2O6|-2|93 S2O8|-2|86 WO4|-2|69.4 Organic Cations|Charge|Conductivity (E-4) ---|---|--- Decylpyridinium|+1|29.5 Diethylammonium|+1|42 Dimethylammonium|+1|51.5 Dipropylammonium|+1|30.1 Dodecylammonium|+1|23.8 Ethylammonium|+1|47.2 Ethyltrimethylammonium|+1|40.5 Isobutylammonium|+1|38 Methylammonium|+1|58.3 Piperidinium|+1|37.2 Propylammonium|+1|40.8 Tetrabutylammonium|+1|19.5 Tetraethylammonium|+1|32.6 Tetramethylammonium|+1|44.9 Tetrapropylammonium|+1|23.5 Triethylsulfonium|+1|36.1 Trimethylammonium|+1|47.2 Trimethylsulfonium|+1|51.4 Tripropylammonium|+1|26.1 Organic Anions|Charge|Conductivity (E-4) ---|---|--- Acetate|-1|41 Benzoate|-1|32.4 Bromoacetate|-1|39.2 Bromobenzoate|-1|30 Butanoate|-1|32.6 Chloroacetate|-1|42.2 m-Chlorobenzoate|-1|31 o-Chlorobenzoate|-1|30.5 Citrate|-3|70.2 Crotonate|-1|33.2 Cyanoacetate|-1|43.4 Cyclohexanecarboxylate|-1|28.7 Cyclopropane-1,3-dicarboxylate2|-1|53.4 Decylsulfonate|-1|26 Dichloroacetate|-1|38.3 Diethylbarbiturate|-2|26.3 Dihydrogencitrate|-1|30 Dimethylmalonate|-2|49.4 3, 5-Dinitrobenzoate|-1|28.3 Dodecylsulfonate|-1|24 Ethylmalonate|-1|49.3 Ethylsulfonate|-1|39.6 Fluoroacetate|-1|44.4 Fluorobenzoate|-1|33 Formate|-1|54.6 Fumarate|-2|61.8 Glutarate|-2|52.6 Hydrogenoxalate|-1|40.2 Iodoacetate|-1|40.6 Lactate|-1|38.8 Malate|-2|58.8 Malonate|-1|63.5 3-Methylbutanoate|-1|32.7 Methylsulfonate|-1|48.8 Naphthylacetate|-1|28.4 1, 8-Octanedioate|-2|36 Octylsulfonate|-1|29 Oxalate|-2|74.11 Phenylacetate|-1|30.6 m-Phthalate|-2|54.7 o-Phthalate|-2|52.3 Picrate|-1|30.37 Propanoate|-1|35.8 Propylsulfonate|-1|37.1 Salicylate|-1|36 Succinate|-2|58.8 Tartrate|-2|59.6 Trichloroacetate|-1|36.6 Trimethylacetate|-1|31.9 ### UNSW Medicine https://medicalsciences.med.unsw.edu.au/research/research-services/ies/ionicmobilitytables Ion Table 1|Charge|Conductivity (E-4) ---|---|--- Choline|+1|0.51*K Cs|+1|1.05*K K|+1|1*K Li|+1|0.526*K NH4 (Ammonium)|+1|1.001*K Na|+1|0.682*K Rb|+1|1.059*K TEA (TetraethylAmmonium)|+1|0.444*K TMA (TetramethylAmmonium)|+1|0.611*K Acetate|-1|0.556*K Benzoate|-1|0.441*K Br|-1|1.063*K Cl|-1|1.0382*K ClO4 (Perchlorate)|-1|0.916*K F|-1|0.753*K H2PO|-1|0.45*K HCO3|-1|0.605*K I|-1|1.0456*K NO3 (Nitrate)|-1|0.972*K Picrate|-1|0.411*K Propionate|-1|0.487*K SCN (Thiocyanate)|-1|0.901*K Co|+2|0.367*K Mg|+2|0.361*K HPO4|-2|0.39*K SO4|-2|0.544*K Ion Table 2|Charge|Conductivity (E-4) ---|---|--- NMDG|+1|0.33*K Tris|+1|0.4*K Aspartate|-1|0.3*K Gluconate|-1|0.33*K Glutamate|-1|0.26*K HEPES|-1|0.3*K Isethionate|-1|0.52*K MES|-1|0.37*K MOPS|-1|0.35*K EGTA(2-)|-2|0.24*K EGTA(3-)|-3|0.25*K Ion Table 3|Charge|Conductivity (E-4) ---|---|--- Thallium|+1|1.02*K Butyrate|-1|0.44*K Citrate|-3|0.318*K 2-(Methyl-Amino) Ethanol|+1|0.49*K N-Methylethanolamine|+1|0.49*K Ion Table 4|Charge|Conductivity (E-4) ---|---|--- Ag|+1|0.842*K Diethylammonium|+1|0.57*K Dimethylammonium|+1|0.705*K Ethyltrimethylammonium|+1|0.551*K H|+1|4.757*K Piperidinium|+1|0.506*K Tetrabutylammonium|+1|0.265*K Tetrapropylammonium|+1|0.318*K Triethylammonium|+1|0.467*K Trimethylammonium|+1|0.643*K Bromoacetate|-1|0.533*K Bromobenzoate|-1|0.41*K Chloroacetate|-1|0.541*K CNO (Cyanate)|-1|0.879*K Cyanoacetate|-1|0.59*K Dichloroacetate|-1|0.521*K Ethylsulfate|-1|0.539*K Ethylsulfonate|-1|0.539*K Fluoroacetate|-1|0.604*K Fluorobenzoate|-1|0.45*K Formate|-1|0.743*K Iodoacetate|-1|0.552*K Lactate|-1|0.528*K Methylsulfate|-1|0.664*K methanesulfonate|-1|0.664*K Methylsulfonate|-1|0.664*K OH (hydroxide)|-1|2.69*K ReO4 (Rhenate)|-1|0.747*K Salicylate|-1|0.49*K Trichloroacetate|-1|0.476*K Cd|+2|0.37*K Cu|+2|0.365*K Fe|+2|0.37*K Hg|+2|0.433*K Mn|+2|0.364*K Ni|+2|0.337*K Pb|+2|0.48*K Malate|-2|0.4*K Maleate|-2|0.421*K Oxalate|-2|0.504*K Succinate|-2|0.4*K Gd|+3|0.305*K Fe|+3|0.308*K La|+3|0.316*K Citrate|-3|0.318*K ATP (Adenosine 5'-Triphosphate)|-2|0.15*K ATP (Adenosine 5'-Triphosphate)|-3|0.15*K ATP (Adenosine 5'-Triphosphate)|-4|0.15*K Ion Table 5|Charge|Conductivity (E-4) ---|---|--- 2-AP (2-aminopyridine)|+1|0.45*K 3-AP (3-aminopyridine)|+1|0.46*K 4-AP (4-aminopyridine)|+2|0.29*K ### **Ions likely irrelevant to LJP calculations** These ions are very unlikely to affect the calculated LJP due to exceptionally low mobility, no charge, or common use at extremely low concentrations (see the theory page for details). By listing such molecules here we confirm we know they exist, and remind users they are probably not important for caculating LJP. Irrelevant Ion|Charge|Conductivity (E-4) ---|---|--- GTP|+1|0 Glucose|0|0 Sucrose|0|0 Dextrose|0|0