Liste der Ionenradien
Die Liste der Ionenradien ist eine alphabetisch sortierte Liste aller chemischen Elemente und ihrer Ionenradien, abhängig von ihrer Ladungs- beziehungsweise Oxidationszahl. Eine allgemeine Zusammenfassung von Element-Kategorien und Eigenschaften findet sich in der Liste der chemischen Elemente.
Die Werte basieren auf dem von Linus Pauling bestimmten Ionenradius von 140 pm für ein O2−-Ion und damit für die Koordinationszahl 6. Ausnahmen werden mit einer entsprechenden römischen Ziffer gekennzeichnet. Die Abkürzungen ls und hs stehen für low-spin und high-spin (siehe auch Spin Crossover).
| Element | Kürzel | Ionenradius in pm[1] | Ionenladung |
|---|---|---|---|
| Actinium | Ac | 112 | +3 |
| Aluminium | Al | 54 | +3 |
| Americium | Am | 98 | +3 |
| Americium | Am | 85 | +4 |
| Antimon | Sb | 76 | +3 |
| Antimon | Sb | 60 | +5 |
| Arsen | As | 58 | +3 |
| Arsen | As | 46 | +5 |
| Barium | Ba | 135 | +2 |
| Berkelium | Bk | 96 | +3 |
| Berkelium | Bk | 83 | +4 |
| Beryllium | Be | 27 | +2 |
| Bismut | Bi | 103 | +3 |
| Bismut | Bi | 76 | +5 |
| Blei | Pb | 119 | +2 |
| Blei | Pb | 78 | +4 |
| Bor | B | 27 | +3 |
| Brom | Br | 196 | −1 |
| Cadmium | Cd | 95 | +2 |
| Caesium | Cs | 167 | +1 |
| Calcium | Ca | 100 | +2 |
| Californium | Cf | 95 | +3 |
| Californium | Cf | 82 | +4 |
| Cer | Ce | 101 | +3 |
| Cer | Ce | 87 | +4 |
| Chlor | Cl | 181 | −1 |
| Chrom | Cr | 73 ls | +2 |
| Chrom | Cr | 80 hs | +2 |
| Chrom | Cr | 62 | +3 |
| Chrom | Cr | 55 | +4 |
| Chrom | Cr | 49 | +5 |
| Chrom | Cr | 44 | +6 |
| Cobalt | Co | 65 ls | +2 |
| Cobalt | Co | 75 hs | +2 |
| Cobalt | Co | 55 ls | +3 |
| Cobalt | Co | 61 hs | +3 |
| Cobalt | Co | 53 | +4 |
| Curium | Cm | 97 | +3 |
| Curium | Cm | 85 | +4 |
| Dysprosium | Dy | 107 | +2 |
| Dysprosium | Dy | 91 | +3 |
| Eisen | Fe | 61 ls | +2 |
| Eisen | Fe | 78 hs | +2 |
| Eisen | Fe | 55 ls | +3 |
| Eisen | Fe | 65 hs | +3 |
| Eisen | Fe | 59 | +4 |
| Eisen | Fe | 25 IV | +6 |
| Erbium | Er | 89 | +3 |
| Europium | Eu | 117 | +2 |
| Europium | Eu | 95 | +3 |
| Fluor | F | 133 | −1 |
| Gadolinium | Gd | 94 | +3 |
| Gallium | Ga | 62 | +3 |
| Germanium | Ge | 73 | +2 |
| Germanium | Ge | 53 | +4 |
| Gold | Au | 137 | +1 |
| Gold | Au | 85 | +3 |
| Gold | Au | 57 | +5 |
| Hafnium | Hf | 71 | +4 |
| Holmium | Ho | 90 | +3 |
| Indium | In | 80 | +3 |
| Iod | I | 220 | −1 |
| Iod | I | 95 | +5 |
| Iod | I | 93 | +7 |
| Iridium | Ir | 68 | +3 |
| Iridium | Ir | 63 | +4 |
| Iridium | Ir | 57 | +5 |
| Kalium | K | 138 | +1 |
| Kohlenstoff | C | 16 | +4 |
| Kupfer | Cu | 77 | +1 |
| Kupfer | Cu | 73 | +2 |
| Kupfer | Cu | 54 | +3 |
| Lanthan | La | 103 | +3 |
| Lithium | Li | 76 | +1 |
| Lutetium | Lu | 86 | +3 |
| Magnesium | Mg | 72 | +2 |
| Mangan | Mn | 67 ls | +2 |
| Mangan | Mn | 83 hs | +2 |
| Mangan | Mn | 58 ls | +3 |
| Mangan | Mn | 65 hs | +3 |
| Mangan | Mn | 53 | +4 |
| Mangan | Mn | 26 IV | +5 |
| Mangan | Mn | 25 IV | +6 |
| Molybdän | Mo | 69 | +3 |
| Molybdän | Mo | 65 | +4 |
| Molybdän | Mo | 61 | +5 |
| Molybdän | Mo | 59 | +6 |
| Natrium | Na | 102 | +1 |
| Neodym | Nd | 98 | +3 |
| Neptunium | Np | 101 | +3 |
| Neptunium | Np | 87 | +4 |
| Neptunium | Np | 75 | +5 |
| Neptunium | Np | 72 | +6 |
| Nickel | Ni | 69 | +2 |
| Nickel | Ni | 56 ls | +3 |
| Nickel | Ni | 60 hs | +3 |
| Nickel | Ni | 48 ls | +4 |
| Niob | Nb | 72 | +3 |
| Niob | Nb | 68 | +4 |
| Niob | Nb | 64 | +5 |
| Osmium | Os | 63 | +4 |
| Osmium | Os | 58 | +5 |
| Osmium | Os | 55 | +6 |
| Palladium | Pd | 86 | +2 |
| Palladium | Pd | 76 | +3 |
| Palladium | Pd | 62 | +4 |
| Phosphor | P | 44 | +3 |
| Phosphor | P | 38 | +5 |
| Platin | Pt | 80 | +2 |
| Platin | Pt | 60 | +4 |
| Platin | Pt | 57 | +5 |
| Plutonium | Pu | 100 | +3 |
| Plutonium | Pu | 86 | +4 |
| Plutonium | Pu | 74 | +5 |
| Plutonium | Pu | 71 | +6 |
| Polonium | Po | 94 | +4 |
| Polonium | Po | 67 | +6 |
| Praseodym | Pr | 99 | +3 |
| Praseodym | Pr | 85 | +4 |
| Promethium | Pm | 97 | +3 |
| Protactinium | Pa | 104 | +3 |
| Protactinium | Pa | 90 | +4 |
| Protactinium | Pa | 78 | +5 |
| Quecksilber | Hg | 119 | +1 |
| Quecksilber | Hg | 102 | +2 |
| Rhenium | Re | 63 | +4 |
| Rhenium | Re | 58 | +5 |
| Rhenium | Re | 55 | +6 |
| Rhodium | Rh | 67 | +3 |
| Rhodium | Rh | 60 | +4 |
| Rhodium | Rh | 55 | +5 |
| Rubidium | Rb | 152 | +1 |
| Ruthenium | Ru | 68 | +3 |
| Ruthenium | Ru | 62 | +4 |
| Ruthenium | Ru | 57 | +5 |
| Samarium | Sm | 96 | +3 |
| Sauerstoff | O | 140 | −2 |
| Scandium | Sc | 75 | +3 |
| Schwefel | S | 184 | −2 |
| Schwefel | S | 29 | +6 |
| Selen | Se | 198 | −2 |
| Selen | Se | 50 | +4 |
| Silber | Ag | 115 | +1 |
| Silber | Ag | 94 | +2 |
| Silber | Ag | 75 | +3 |
| Silicium | Si | 40 | +4 |
| Stickstoff | N | 146 IV | −3 |
| Stickstoff | N | 16 | +3 |
| Strontium | Sr | 118 | +2 |
| Tantal | Ta | 72 | +3 |
| Tantal | Ta | 68 | +4 |
| Tantal | Ta | 64 | +5 |
| Technetium | Tc | 65 | +4 |
| Technetium | Tc | 60 | +5 |
| Tellur | Te | 221 | −2 |
| Tellur | Te | 97 | +4 |
| Tellur | Te | 56 | +6 |
| Terbium | Tb | 92 | +3 |
| Terbium | Tb | 76 | +4 |
| Thallium | Tl | 150 | +1 |
| Thallium | Tl | 89 | +3 |
| Thorium | Th | 94 | +4 |
| Thulium | Tm | 103 | +2 |
| Thulium | Tm | 88 | +3 |
| Titan | Ti | 86 | +2 |
| Titan | Ti | 67 | +3 |
| Titan | Ti | 61 | +4 |
| Uran | U | 103 | +3 |
| Uran | U | 89 | +4 |
| Uran | U | 76 | +5 |
| Uran | U | 73 | +6 |
| Vanadium | V | 79 | +2 |
| Vanadium | V | 64 | +3 |
| Vanadium | V | 58 | +4 |
| Vanadium | V | 54 | +5 |
| Wasserstoff | H | 154[2] | −1 |
| Wolfram | W | 66 | +4 |
| Wolfram | W | 62 | +5 |
| Wolfram | W | 60 | +6 |
| Ytterbium | Yb | 102 | +2 |
| Ytterbium | Yb | 87 | +3 |
| Yttrium | Y | 90 | +3 |
| Zink | Zn | 74 | +2 |
| Zinn | Sn | 118 | +2 |
| Zinn | Sn | 69 | +4 |
| Zirconium | Zr | 72 | +4 |
Einzelnachweise
- Ulrich Müller: Anorganische Strukturchemie. 6. Auflage. Vieweg+Teubner, Wiesbaden 2008, ISBN 978-3-8348-0626-0, S. 79–80 (eingeschränkte Vorschau in der Google-Buchsuche).
- Rutherford: Ionenradien (tabellarische Übersicht). In: uniterra.de. Uniterra, 4. Juli 1999, abgerufen am 7. April 2019.
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