A.A.Baikov Institute of Metallurgy and Materials Science

DATABASE ON PROPERTIES OF CHEMICAL ELEMENTS
Properties of element Eu
PropertyValueCommentsReferences
ΔH interface M in O (Miedema)-863
 13823
ΔH interface M in S (Miedema)-446
 13823
ΔH interface O in M (Miedema)-575
 13823
ΔH interface S in M-446
 13823
Atomic concentration2,04(1023 m-3)  13823
Atomic electron scattering factor at 0.52,68 13823
Atomic environment number (Villars, Daams)4  13823
Atomic number start counting left top, left-right sequence63  13823
Atomic weight151,965(10-3 kg)  13823
Boiling temperature1713
 19178
Boiling temperature1802
 19178
Boiling temperature1829
 5391
Boiling temperature1870
 13823
Boiling temperature1873
 19178
Bulk modulus8,3(GPa)  13823
Charge nuclear effective (Clementi)8,11 13823
Chemical potential (Miedema)3,2 13823
Compression modulus0,147(GPa)  13823
Conductivity electrical1,23(104 Ohm-1*cm-1) 13823
Conductivity thermal13,9
 13823
Debye temperature118
 20518
Density5243
 13823
Density5244
bcc, 297 K20518
Distance from core electron (Schubert)1,1(A) 13823
Distance from valence electron (Schubert)2,29(A) 13823
Electrochemical weight equivalent0,52504(mg*K-1)  13823
Electron affinity50
 13823
Electronegativity (Alfred-Rochow)1,01 13823
Electronegativity (Martynov&Batsanov)1,15 13823
Electronegativity (Pauling)1 13823
Electronegativity absolute3,1 13823
Energy cohesive (Brewer)1,86
 13823
Energy of ionization first547,1
 13823
Energy of ionization second1086
 13823
Energy of ionization third2425
 13823
Enthalpy of atomization175,3
 13823
Enthalpy of atomization177,8
 5391
Enthalpy of melting10,5
 13823
Enthalpy of melting9,213
 5391
Enthalpy of melting9,55
 18453
Enthalpy of surface (Miedema)59
 13823
Enthalpy of vacancies (Miedema)63
 13823
Enthalpy of vaporization176
 13823
Entropy of solid71,1756
 13823
Entropy of solid77,81
 18453
Group number3 13823
Linear thermal expansion coefficient35(10-6*K-1) 20518
Linear thermal expansion coefficient40(10-6*K-1) 13823
Magnetic frequency of nuclei24,801 13823
Magnetic resonance10,35(MHz)  13823
Magnetic susceptibility0,00000281(m3*kg-1) 13823
Mass attenuation coefficient CrKα299(cm2*g-1)  13823
Mass attenuation coefficient FeKα193(cm2*g-1) 13823
Mass attenuation coefficient for CuKα425(cm2*g-1)  13823
Mass attenuation coefficient for MoKα61,5(cm2*g-1)  13823
Melting temperature1095
 13823
Mendeleev chemists sequence37  13823
Mendeleev d-t start left29  13823
Mendeleev d-t start right76  13823
Mendeleev H d-t start left28  13823
Mendeleev H d-t start right77  13823
Mendeleev H t-d start left27  13823
Mendeleev H t-d start right76  13823
Mendeleev Pettifor18  13823
Mendeleev Pettifor regular28  13823
Mendeleev t-d start left28  13823
Mendeleev t-d start right75  13823
Modulus of rigidity7,9(GPa) 13823
Molar heat capacity27,65
 5391
Molar heat capacity27,66
 13823
Moment nuclear magnetic1,521(mu) 13823
Nuclear charge effective (Slater)2,85 13823
nW1/3 (Miedema)1,21(a.u.-1/3)  13823
Oxidation state first 2 13823
Periodic number start counting bottom right, right-left sequence41  13823
Periodic number start counting left bottom, left-right sequence26  13823
Periodic number start counting top right, right-left sequence78  13823
Poisson's ratio0,152 13823
Quantum number6 13823
Radii covalent185
 13823
Radii metal (Waber)1,799(A) 13823
Radii pseudo-potential (Zunger)3,94(a.u.) 13823
Resistivity electrical90(10-8 Ohm*m)  13823
Spectral lines no272 13823
Spin nuclei2,5(h) 13823
Surface tension at Tm450
 13823
Thermal neutron capture cross section4600(barns) 13823
V2/3 (Miedema)7,36(cm2)  13823
Valence electron number3 13823
Vapour pressure at Tm144(N*m-2) 13823
Volume of atom (Villars, Daams)4,813(10-2 nm3)  13823
Work function2,5(eV)  13823
Young's modulus18,2(GPa)  13823
PropertyC.N.Radii ionic (Shannon)CommentsReferences
Eu+261,170 Å13826
Eu+271,200 Å13826
Eu+281,250 Å13826
Eu+291,300 Å13826
Eu+2101,350 Å13826
Eu+360,947 Å13826
Eu+371,010 Å13826
Eu+381,066 Å13826
Eu+391,120 Å13826
PropertyValueCommentsReferences
Radii ionic (Bokii & Belov)
Eu+30,970 Å 13824
Radii ionic (Goldsmidt)
Eu+31,130 Å 13824
Radii ionic (Yagoda)
Eu+31,010 Å 13824