A.A.Baikov Institute of Metallurgy and Materials Science

DATABASE ON PROPERTIES OF CHEMICAL ELEMENTS
Properties of element Th
PropertyValueCommentsReferences
ΔH interface M in O (Miedema)-1227
 13823
ΔH interface M in S (Miedema)-640
 13823
ΔH interface O in M (Miedema)-613
 13823
ΔH interface S in M-400
 13823
Atomic concentration3,04(1023 m-3)  13823
Atomic electron scattering factor at 0.53,52 13823
Atomic environment number (Villars, Daams)12  13823
Atomic number start counting left top, left-right sequence90  13823
Atomic weight232,038(10-3 kg)  13823
Boiling temperature5060
 13823
Bulk modulus54(GPa)  13823
Charge nuclear effective (Clementi)9 13823
Chemical potential (Miedema)3,3 13823
Compression modulus0,543(GPa)  13823
Conductivity electrical5,26(104 Ohm-1*cm-1) 13823
Conductivity thermal54
 13823
Debye temperature163
 13823
Density11720
 13823
Distance from core electron (Schubert)1,1(A) 13823
Distance from valence electron (Schubert)2,24(A) 13823
Electrochemical weight equivalent0,60135(mg*K-1)  13823
Electron affinity50
 13823
Electronegativity (Alfred-Rochow)1,11 13823
Electronegativity (Martynov&Batsanov)1,3 13823
Electronegativity (Pauling)1,3 13823
Electronegativity absolute3,5 13823
Energy cohesive (Brewer)6,2
 13823
Energy of ionization first542,2
 13823
Energy of ionization second1148
 13823
Energy of ionization third1800
 13823
Enthalpy of atomization598,3
 13823
Enthalpy of atomization602
 20518
Enthalpy of melting13,8
 18453
Enthalpy of melting16,11
 13823
Enthalpy of surface (Miedema)153
 13823
Enthalpy of vacancies (Miedema)160
 13823
Enthalpy of vaporization513,7
 13823
Entropy of solid51,8
 18453
Entropy of solid53,42357
 13823
Group number3 13823
Hardness (Brinell)1470[MPa] 13823
Linear thermal expansion coefficient11,1(10-6*K-1) 13823
Magnetic frequency of nuclei1,5 13823
Magnetic resonance1(MHz)  13823
Magnetic susceptibility0,0000000072(m3*kg-1) 13823
Mass attenuation coefficient for MoKα120(cm2*g-1)  13823
Melting temperature2020
 13823
Mendeleev chemists sequence26  13823
Mendeleev d-t start left18  13823
Mendeleev d-t start right85  13823
Mendeleev H d-t start left17  13823
Mendeleev H d-t start right86  13823
Mendeleev H t-d start left18  13823
Mendeleev H t-d start right87  13823
Mendeleev Pettifor47  13823
Mendeleev Pettifor regular46  13823
Mendeleev t-d start left19  13823
Mendeleev t-d start right86  13823
Modulus of rigidity30,8(GPa) 13823
Molar heat capacity27,32
 13823
Moment nuclear magnetic1(mu) 13823
Nuclear charge effective (Slater)1,95 13823
nW1/3 (Miedema)1,28(a.u.-1/3)  13823
Oxidation state first 3 13823
Periodic number start counting bottom right, right-left sequence14  13823
Periodic number start counting left bottom, left-right sequence4  13823
Periodic number start counting top right, right-left sequence100  13823
Poisson's ratio0,26 13823
Quantum number7 13823
Radii covalent180
 13823
Radii metal (Waber)1,798(A) 13823
Radii pseudo-potential (Zunger)4,98(a.u.) 13823
Resistivity electrical13(10-8 Ohm*m)  13823
Sound velocity2490(m*s-1) 13823
Spectral lines no505 13823
Spin nuclei3(h) 13823
Surface tension at Tm1550
 13823
Thermal neutron capture cross section7,4(barns) 13823
V2/3 (Miedema)7,32(cm2)  13823
Valence electron number4 13823
Volume of atom (Villars, Daams)3,295(10-2 nm3)  13823
Work function3,3(eV)  13823
Young's modulus78,3(GPa)  13823
PropertyC.N.Radii ionic (Shannon)CommentsReferences
Th+4111,210 Å13826
Th+460,940 Å13826
Th+481,050 Å13826
Th+491,090 Å13826
Th+4101,130 Å13826
PropertyValueCommentsReferences
Radii ionic (Bokii & Belov)
Th+31,080 Å 13824
Th+40,950 Å 13824
Radii ionic (Goldsmidt)
Th+41,100 Å 13824
Radii ionic (Pauling)
Th+41,020 Å 13824
Radii ionic (Yagoda)
Th+31,110 Å 13824
Th+40,980 Å 13824