Ionic radius

Radii of specific ions with their charge, coordination number and spin state. A single element has several ionic radii — there is no one universal value.

Minimum 16 pm Carbon

Maximum 180 pm Francium

Moyenne 86,062887 pm

Données disponibles 97 sur 118

118 éléments affichés sur 118

	Symbole	Nom
1	H	Hydrogen	—	—
2	He	Helium	—	—
3	Li	Lithium	Li₁+	76
4	Be	Beryllium	Be₂+	45
5	B	Boron	B₃+	27
6	C	Carbon	C₄+	16
7	N	Nitrogen	N₃−	146
8	O	Oxygen	O₂−	140
9	F	Fluorine	F₁−	133
10	Ne	Neon	—	—
11	Na	Sodium	Na₁+	102
12	Mg	Magnesium	Mg₂+	72
13	Al	Aluminum	Al₃+	53,5
14	Si	Silicon	Si₄+	40
15	P	Phosphorus	P₅+	38
16	S	Sulfur	S₆+	29
17	Cl	Chlorine	Cl₇+	27
18	Ar	Argon	—	—
19	K	Potassium	K₁+	138
20	Ca	Calcium	Ca₂+	100
21	Sc	Scandium	Sc₃+	74,5
22	Ti	Titanium	Ti₄+	60,5
23	V	Vanadium	V₄+	58
24	Cr	Chromium	Cr₅+	49
25	Mn	Manganese	Mn₂+	67
26	Fe	Iron	Fe₂+	61
27	Co	Cobalt	Co₂+	65
28	Ni	Nickel	Ni₂+	69
29	Cu	Copper	Cu₂+	73
30	Zn	Zinc	Zn₂+	74
31	Ga	Gallium	Ga₃+	62
32	Ge	Germanium	Ge₄+	53
33	As	Arsenic	As₅+	46
34	Se	Selenium	Se₆+	42
35	Br	Bromine	Br₇+	39
36	Kr	Krypton	—	—
37	Rb	Rubidium	Rb₁+	152
38	Sr	Strontium	Sr₂+	118
39	Y	Yttrium	Y₃+	90
40	Zr	Zirconium	Zr₄+	72
41	Nb	Niobium	Nb₅+	64
42	Mo	Molybdenum	Mo₆+	59
43	Tc	Technetium	Tc₇+	56
44	Ru	Ruthenium	Ru₃+	68
45	Rh	Rhodium	Rh₃+	66,5
46	Pd	Palladium	Pd₂+	86
47	Ag	Silver	Ag₁+	115
48	Cd	Cadmium	Cd₂+	95
49	In	Indium	In₃+	80
50	Sn	Tin	Sn₄+	69
51	Sb	Antimony	Sb₃+	76
52	Te	Tellurium	Te₄+	97
53	I	Iodine	I₅+	95
54	Xe	Xenon	Xe₈+	48
55	Cs	Cesium	Cs₁+	167
56	Ba	Barium	Ba₂+	135
57	La	Lanthanum	La₃+	103,2
58	Ce	Cerium	Ce₃+	101
59	Pr	Praseodymium	Pr₃+	99
60	Nd	Neodymium	Nd₃+	98,3
61	Pm	Promethium	Pm₃+	97
62	Sm	Samarium	Sm₃+	95,8
63	Eu	Europium	Eu₂+	117
64	Gd	Gadolinium	Gd₃+	93,8
65	Tb	Terbium	Tb₃+	92,3
66	Dy	Dysprosium	Dy₃+	91,2
67	Ho	Holmium	Ho₃+	90,1
68	Er	Erbium	Er₃+	89
69	Tm	Thulium	Tm₃+	88
70	Yb	Ytterbium	Yb₃+	86,8
71	Lu	Lutetium	Lu₃+	86,1
72	Hf	Hafnium	Hf₄+	71
73	Ta	Tantalum	Ta₅+	64
74	W	Tungsten	W₆+	60
75	Re	Rhenium	Re₇+	53
76	Os	Osmium	Os₆+	54,5
77	Ir	Iridium	Ir₃+	68
78	Pt	Platinum	Pt₂+	80
79	Au	Gold	Au₃+	85
80	Hg	Mercury	Hg₂+	102
81	Tl	Thallium	Tl₁+	150
82	Pb	Lead	Pb₂+	119
83	Bi	Bismuth	Bi₃+	103
84	Po	Polonium	Po₄+	94
85	At	Astatine	At₇+	62
86	Rn	Radon	—	—
87	Fr	Francium	Fr₁+	180
88	Ra	Radium	Ra₂+	148
89	Ac	Actinium	Ac₃+	112
90	Th	Thorium	Th₄+	94
91	Pa	Protactinium	Pa₅+	78
92	U	Uranium	U₄+	89
93	Np	Neptunium	Np₃+	101
94	Pu	Plutonium	Pu₃+	100
95	Am	Americium	Am₂+	131
96	Cm	Curium	Cm₃+	97
97	Bk	Berkelium	Bk₃+	96
98	Cf	Californium	Cf₃+	95
99	Es	Einsteinium	Es₃+	111,6
100	Fm	Fermium	Fm₃+	110,5
101	Md	Mendelevium	Md₃+	109,5
102	No	Nobelium	No₂+	110
103	Lr	Lawrencium	Lr₃+	107,4
104	Rf	Rutherfordium	—	—
105	Db	Dubnium	—	—
106	Sg	Seaborgium	—	—
107	Bh	Bohrium	—	—
108	Hs	Hassium	—	—
109	Mt	Meitnerium	—	—
110	Ds	Darmstadtium	—	—
111	Rg	Roentgenium	—	—
112	Cn	Copernicium	—	—
113	Nh	Nihonium	—	—
114	Fl	Flerovium	—	—
115	Mc	Moscovium	—	—
116	Lv	Livermorium	—	—
117	Ts	Tennessine	—	—
118	Og	Oganesson	—	—

Sources et notes

Expand a row to see every measured ionic radius. Statistics cover the most common charge state of each element.