A.A.Baikov Institute of Metallurgy and Materials Science

DATABASE ON PROPERTIES OF CHEMICAL ELEMENTS
Properties of element I
PropertyValueCommentsReferences
Atomic concentration2,36(1023 m-3)  13823
Atomic electron scattering factor at 0.52,34 13823
Atomic environment number (Villars, Daams)1  13823
Atomic number start counting left top, left-right sequence53  13823
Atomic weight126,905(10-3 kg)  13823
Boiling temperature457,2
 19178
Boiling temperature457,5
 13823
Boiling temperature457,6
 19178
Charge nuclear effective (Clementi)11,61 13823
Compression modulus0,03(GPa)  13823
Conductivity thermal0,449
 13823
Density4930
 13823
Distance from core electron (Schubert)1,17(A) 13823
Distance from valence electron (Schubert)1,69(A) 13823
Electrochemical weight equivalent1,31523(mg*K-1)  13823
Electron affinity295,2
 13823
Electronegativity (Alfred-Rochow)2,21 13823
Electronegativity (Martynov&Batsanov)2,76 13823
Electronegativity (Pauling)2,5 13823
Electronegativity (Pauling)2,66 17032
Electronegativity absolute6,76 13823
Energy cohesive (Brewer)1,11
 13823
Energy of ionization first1008,4
 13823
Energy of ionization second1846
 13823
Energy of ionization third3184
 13823
Enthalpy of atomization106,8
 13823
Enthalpy of melting15,52
 13823
Enthalpy of melting15,627
 5387
Enthalpy of vaporization41,6
I219178
Enthalpy of vaporization41,67
 13823
Enthalpy of vaporization41,7
I219178
Enthalpy of vaporization41,9
I219178
Entropy of solid116,206
 5387
Entropy of solid116,81172
 13823
Group number7 13823
Magnetic frequency of nuclei20,007 13823
Magnetic resonance8,517(MHz)  13823
Magnetic susceptibility0,0000000044(m3*kg-1) 13823
Mass attenuation coefficient CrKα722(cm2*g-1)  13823
Mass attenuation coefficient FeKα506(cm2*g-1) 13823
Mass attenuation coefficient for CuKα294(cm2*g-1)  13823
Mass attenuation coefficient for MoKα37,1(cm2*g-1)  13823
Melting temperature386,75
 5387
Melting temperature387
 13823
Mendeleev chemists sequence99  13823
Mendeleev d-t start left94  13823
Mendeleev d-t start right8  13823
Mendeleev H d-t start left93  13823
Mendeleev H d-t start right8  13823
Mendeleev H t-d start left96  13823
Mendeleev H t-d start right11  13823
Mendeleev Pettifor97  13823
Mendeleev Pettifor regular97  13823
Mendeleev t-d start left96  13823
Mendeleev t-d start right10  13823
Molar heat capacity54,438
 13823
Molar heat capacity54,765
 5387
Moment nuclear magnetic2,794(mu) 13823
Nuclear charge effective (Slater)7,6 13823
Oxidation state first -1 13823
Periodic number start counting bottom right, right-left sequence51  13823
Periodic number start counting left bottom, left-right sequence66  13823
Periodic number start counting top right, right-left sequence38  13823
Quantum number5 13823
Radii covalent133
 13823
Radii metal (Waber)1,39(A) 13823
Radii pseudo-potential (Zunger)1,585(a.u.) 13823
Resistivity electrical1300000000000000(10-8 Ohm*m)  13823
Spectral lines no176 13823
Spin nuclei2,5(h) 13823
Thermal neutron capture cross section6,2(barns) 13823
Valence electron number7 13823
Volume of atom (Villars, Daams)4,263(10-2 nm3)  13823
PropertyC.N.Radii ionic (Shannon)CommentsReferences
I -162,200 Å 13826
I +530,440 Å 13826
I +560,950 Å 13826
I +740,420 Å 13826
I +760,530 Å 13826
PropertyValueCommentsReferences
Radii ionic (Bokii & Belov)
I -12,200 Å 13824
I +70,500 Å 13824
Radii ionic (Goldsmidt)
I -12,200 Å 13824
I +50,940 Å 13824
Radii ionic (Pauling)
I -12,160 Å 13824
I +70,500 Å 13824
Radii ionic (Yagoda)
I +50,510 Å 13824
I +70,460 Å 13824