A.A.Baikov Institute of Metallurgy and Materials Science

DATABASE ON PROPERTIES OF CHEMICAL ELEMENTS
Properties of element Tb
PropertyValueCommentsReferences
ΔH interface M in O (Miedema)-972
 13823
ΔH interface O in M (Miedema)-621
 13823
Atomic concentration3,22(1023 m-3)  13823
Atomic electron scattering factor at 0.52,74 13823
Atomic environment number (Villars, Daams)12  13823
Atomic number start counting left top, left-right sequence65  13823
Atomic weight158,925(10-3 kg)  13823
Boiling temperature3073
 19178
Boiling temperature3396
 13823
Boiling temperature3467
 5391
Boiling temperature3493
 19178
Boiling temperature3503
 19178
Bulk modulus38,7(GPa)  13823
Charge nuclear effective (Clementi)8,3 13823
Chemical potential (Miedema)3,21 13823
Compression modulus0,399(GPa)  13823
Conductivity electrical0,86(104 Ohm-1*cm-1) 13823
Conductivity thermal11,1
 13823
Debye temperature169,6
 20518
Density7820
bcc, 1562 K20518
Density8219
orthorhombic, 220 K20518
Density8229
 13823
Density8230
hcp, 297 K20518
Distance from core electron (Schubert)1,08(A) 13823
Distance from valence electron (Schubert)2,2(A) 13823
Electrochemical weight equivalent0,54991(mg*K-1)  13823
Electron affinity50
 13823
Electronegativity (Alfred-Rochow)1,1 13823
Electronegativity (Martynov&Batsanov)1,2 13823
Electronegativity (Pauling)1,1 13823
Electronegativity absolute3,2 13823
Energy cohesive (Brewer)4,05
 13823
Energy of ionization first564,4
 13823
Energy of ionization second1112
 13823
Energy of ionization third2122
 13823
Enthalpy of atomization386,5
 5391
Enthalpy of atomization388,7
 13823
Enthalpy of melting10,193
 5391
Enthalpy of melting10,86
 18453
Enthalpy of melting16,3
 13823
Enthalpy of surface (Miedema)115
 13823
Enthalpy of vacancies (Miedema)120
 13823
Enthalpy of vaporization293
 19178
Enthalpy of vaporization391
 13823
Entropy of solid72,24
 18453
Entropy of solid73,10153
 13823
Entropy of solid73,38
 5391
Group number3 13823
Hardness (Brinell)874[MPa] 13823
Linear thermal expansion coefficient10,3(10-6*K-1) 20518
Linear thermal expansion coefficient9,5(10-6*K-1) 13823
Magnetic frequency of nuclei22,678 13823
Magnetic resonance9,7(MHz)  13823
Magnetic susceptibility0,0000115(m3*kg-1) 13823
Mass attenuation coefficient CrKα329(cm2*g-1)  13823
Mass attenuation coefficient FeKα214(cm2*g-1) 13823
Mass attenuation coefficient for CuKα273(cm2*g-1)  13823
Mass attenuation coefficient for MoKα67,5(cm2*g-1)  13823
Melting temperature1627
 18453
Melting temperature1629
 5391
Melting temperature1633
 13823
Mendeleev chemists sequence41  13823
Mendeleev d-t start left33  13823
Mendeleev d-t start right72  13823
Mendeleev H d-t start left32  13823
Mendeleev H d-t start right73  13823
Mendeleev H t-d start left31  13823
Mendeleev H t-d start right72  13823
Mendeleev Pettifor26  13823
Mendeleev Pettifor regular26  13823
Mendeleev t-d start left32  13823
Mendeleev t-d start right71  13823
Modulus of rigidity22,1(GPa) 13823
Molar heat capacity27,718
 18453
Molar heat capacity28,91
 13823
Molar heat capacity28,95
 5391
Moment nuclear magnetic1,52(mu) 13823
Nuclear charge effective (Slater)2,85 13823
nW1/3 (Miedema)1,22(a.u.-1/3)  13823
Oxidation state first 3 13823
Periodic number start counting bottom right, right-left sequence39  13823
Periodic number start counting left bottom, left-right sequence28  13823
Periodic number start counting top right, right-left sequence76  13823
Poisson's ratio0,261 13823
Quantum number6 13823
Radii covalent159
 13823
Radii metal (Waber)1,782(A) 13823
Radii pseudo-potential (Zunger)3,89(a.u.) 13823
Resistivity electrical114(10-8 Ohm*m)  13823
Sound velocity2620(m*s-1) 13823
Spectral lines no129 13823
Spin nuclei1,5(h) 13823
Surface tension at Tm1130
 13823
Thermal neutron capture cross section23(barns) 13823
V2/3 (Miedema)7,2(cm2)  13823
Valence electron number3 13823
Volume of atom (Villars, Daams)3,213(10-2 nm3)  13823
Work function3,1(eV)  13823
Young's modulus55,7(GPa)  13823
PropertyC.N.Radii ionic (Shannon)CommentsReferences
Tb+360,923 Å13826
Tb+370,980 Å13826
Tb+381,040 Å13826
Tb+391,095 Å13826
Tb+460,760 Å13826
Tb+480,880 Å13826
PropertyValueCommentsReferences
Radii ionic (Bokii & Belov)
Tb+30,890 Å 13824
Radii ionic (Goldsmidt)
Tb+31,090 Å 13824
Tb+40,890 Å 13824
Radii ionic (Yagoda)
Tb+30,990 Å 13824
Tb+40,860 Å 13824