A.A.Baikov Institute of Metallurgy and Materials Science

DATABASE ON PROPERTIES OF CHEMICAL ELEMENTS
Properties of element U
PropertyValueCommentsReferences
ΔH interface M in O (Miedema)-1230
 13823
ΔH interface M in S (Miedema)-460
 13823
ΔH interface O in M (Miedema)-542
 13823
ΔH interface S in M-320
 13823
Atomic concentration4,8(1023 m-3)  13823
Atomic electron scattering factor at 0.53,58 13823
Atomic environment number (Villars, Daams)6  13823
Atomic number start counting left top, left-right sequence92  13823
Atomic weight238,029(10-3 kg)  13823
Boiling temperature4018
 13823
Boiling temperature4404
 20518
Bulk modulus97,7(GPa)  13823
Charge nuclear effective (Clementi)9 13823
Chemical potential (Miedema)3,9 13823
Compression modulus0,987(GPa)  13823
Conductivity electrical3,1(104 Ohm-1*cm-1) 13823
Conductivity thermal27,6
 13823
Debye temperature207
 13823
Density18950
 13823
Density19100
 20518
Distance from core electron (Schubert)1,01(A) 13823
Distance from valence electron (Schubert)1,74(A) 13823
Electrochemical weight equivalent0,41117(mg*K-1)  13823
Electron affinity50
 13823
Electronegativity (Alfred-Rochow)1,22 13823
Electronegativity (Martynov&Batsanov)1,7 13823
Electronegativity (Pauling)1,4 13823
Electronegativity absolute3,5 13823
Energy cohesive (Brewer)5,55
 13823
Energy of ionization first522,4
 13823
Energy of ionization second1122
 13823
Energy of ionization third1745
 13823
Enthalpy of atomization535,6
 13823
Enthalpy of melting12,6
 13823
Enthalpy of melting8,47
 18453
Enthalpy of surface (Miedema)150
 13823
Enthalpy of vacancies (Miedema)155
 13823
Enthalpy of vaporization417,1
 13823
Entropy of solid50,2
 18453
Entropy of solid50,3672
 13823
Group number3 13823
Hardness (Brinell)2750[MPa] 13823
Linear thermal expansion coefficient14(10-6*K-1) 13823
Magnetic frequency of nuclei1,79 13823
Magnetic resonance0,75(MHz)  13823
Magnetic susceptibility0,0000000216(m3*kg-1) 13823
Mass attenuation coefficient for MoKα120(cm2*g-1)  13823
Melting temperature1406
 13823
Melting temperature1407
 18453
Mendeleev chemists sequence30  13823
Mendeleev d-t start left22  13823
Mendeleev d-t start right81  13823
Mendeleev H d-t start left21  13823
Mendeleev H d-t start right82  13823
Mendeleev H t-d start left22  13823
Mendeleev H t-d start right83  13823
Mendeleev Pettifor45  13823
Mendeleev Pettifor regular44  13823
Mendeleev t-d start left23  13823
Mendeleev t-d start right82  13823
Modulus of rigidity73,1(GPa) 13823
Molar heat capacity27,665
 13823
Molar heat capacity47,12
 18453
Moment nuclear magnetic1(mu) 13823
Nuclear charge effective (Slater)1,8 13823
nW1/3 (Miedema)1,51(a.u.-1/3)  13823
Oxidation state first 3 13823
Periodic number start counting bottom right, right-left sequence12  13823
Periodic number start counting left bottom, left-right sequence6  13823
Periodic number start counting top right, right-left sequence98  13823
Poisson's ratio0,2 13823
Quantum number7 13823
Radii covalent153
 13823
Radii metal (Waber)1,56(A) 13823
Radii pseudo-potential (Zunger)4,72(a.u.) 13823
Resistivity electrical30,8(10-8 Ohm*m)  13823
Sound velocity3120(m*s-1) 13823
Spectral lines no694 13823
Spin nuclei3(h) 13823
Surface tension at Tm1900
 13823
Thermal neutron capture cross section7,57(barns) 13823
V2/3 (Miedema)5,57(cm2)  13823
Valence electron number3 13823
Vapour pressure at Tm0,00000119(N*m-2) 13823
Volume of atom (Villars, Daams)2,073(10-2 nm3)  13823
Work function3,3(eV)  13823
Young's modulus175,8(GPa)  13823
PropertyC.N.Radii ionic (Shannon)CommentsReferences
U +361,025 Å13826
U +460,890 Å13826
U +470,950 Å13826
U +481,000 Å13826
U +491,050 Å13826
U +4121,170 Å13826
U +560,760 Å13826
U +570,840 Å13826
U +630,450 Å13826
U +640,520 Å13826
U +660,730 Å13826
U +670,810 Å13826
U +680,860 Å13826
PropertyValueCommentsReferences
Radii ionic (Bokii & Belov)
U +31,040 Å 13824
U +40,890 Å 13824
Radii ionic (Goldsmidt)
U +41,050 Å 13824
Radii ionic (Pauling)
U +40,970 Å 13824
Radii ionic (Yagoda)
U +31,050 Å 13824
U +40,930 Å 13824
U +50,850 Å 13824
U +60,780 Å 13824