A.A.Baikov Institute of Metallurgy and Materials Science

DATABASE ON PROPERTIES OF CHEMICAL ELEMENTS
Properties of element Pr
PropertyValueCommentsReferences
ΔH interface M in O (Miedema)-974
 13823
ΔH interface M in S (Miedema)-516
 13823
ΔH interface O in M (Miedema)-608
 13823
ΔH interface S in M-452
 13823
Atomic concentration2,92(1023 m-3)  13823
Atomic electron scattering factor at 0.52,55 13823
Atomic environment number (Villars, Daams)12  13823
Atomic number start counting left top, left-right sequence59  13823
Atomic weight140,908(10-3 kg)  13823
Boiling temperature3403
 19178
Boiling temperature3537
 5391
Boiling temperature3783
 19178
Boiling temperature3785
 13823
Boiling temperature3793
 19178
Bulk modulus28,8(GPa)  13823
Charge nuclear effective (Clementi)7,75 13823
Chemical potential (Miedema)3,19 13823
Compression modulus0,306(GPa)  13823
Conductivity electrical1,42(104 Ohm-1*cm-1) 13823
Conductivity thermal12,5
 13823
Debye temperature153
20518
Density6640
bcc, 1094 K20518
Density6773
double-c hexagonal close-packed, 297 K13823
Distance from core electron (Schubert)1,2(A) 13823
Distance from valence electron (Schubert)2,39(A) 13823
Electrochemical weight equivalent0,48677(mg*K-1)  13823
Electron affinity50
 13823
Electronegativity (Alfred-Rochow)1,07 13823
Electronegativity (Martynov&Batsanov)1,1 13823
Electronegativity (Pauling)1,05 13823
Electronegativity absolute3 13823
Energy cohesive (Brewer)3,7
 13823
Energy of ionization first523
 13823
Energy of ionization second1018
 13823
Energy of ionization third2090
 13823
Enthalpy of atomization355,6
 13823
Enthalpy of atomization355,8
 5391
Enthalpy of melting11,3
 13823
Enthalpy of melting6,9
 18453
Enthalpy of surface (Miedema)115
 13823
Enthalpy of vacancies (Miedema)120
 13823
Enthalpy of vaporization331
 19178
Enthalpy of vaporization333
 19178
Enthalpy of vaporization357
 13823
Entropy of solid73,05966
 13823
Entropy of solid73,74
 18453
Entropy of solid74,93
 5391
Group number3 13823
Hardness (Brinell)638[MPa] 13823
Linear thermal expansion coefficient5,4(10-6*K-1) 13823
Linear thermal expansion coefficient6,7(10-6*K-1) 20518
Magnetic frequency of nuclei29,291 13823
Magnetic resonance13(MHz)  13823
Magnetic susceptibility0,000000447(m3*kg-1) 13823
Mass attenuation coefficient CrKα236(cm2*g-1)  13823
Mass attenuation coefficient FeKα359(cm2*g-1) 13823
Mass attenuation coefficient for CuKα363(cm2*g-1)  13823
Mass attenuation coefficient for MoKα50,7(cm2*g-1)  13823
Melting temperature1204
 13823
Melting temperature1208
 18453
Mendeleev chemists sequence29  13823
Mendeleev d-t start left21  13823
Mendeleev d-t start right84  13823
Mendeleev H d-t start left20  13823
Mendeleev H d-t start right85  13823
Mendeleev H t-d start left19  13823
Mendeleev H t-d start right84  13823
Mendeleev Pettifor31  13823
Mendeleev Pettifor regular32  13823
Mendeleev t-d start left20  13823
Mendeleev t-d start right83  13823
Modulus of rigidity14,8(GPa) 13823
Molar heat capacity27,2
 13823
Molar heat capacity28,17
 5391
Molar heat capacity38,45
 18453
Moment nuclear magnetic3,92(mu) 13823
Nuclear charge effective (Slater)2,85 13823
nW1/3 (Miedema)1,2(a.u.-1/3)  13823
Oxidation state first 3 13823
Periodic number start counting bottom right, right-left sequence45  13823
Periodic number start counting left bottom, left-right sequence22  13823
Periodic number start counting top right, right-left sequence82  13823
Poisson's ratio0,281 13823
Quantum number6 13823
Radii covalent165
 13823
Radii metal (Waber)1,828(A) 13823
Radii pseudo-potential (Zunger)4,48(a.u.) 13823
Resistivity electrical68(10-8 Ohm*m)  13823
Sound velocity2280(m*s-1) 13823
Spectral lines no244 13823
Spin nuclei2,5(h) 13823
Surface tension at Tm1080
 13823
Thermal neutron capture cross section11,4(barns) 13823
V2/3 (Miedema)7,56(cm2)  13823
Valence electron number5 13823
Volume of atom (Villars, Daams)3,456(10-2 nm3)  13823
Work function2,8(eV)  13823
Young's modulus37,3(GPa)  13823
PropertyC.N.Radii ionic (Shannon)CommentsReferences
Pr+360,990 Å13826
Pr+381,126 Å13826
Pr+391,179 Å13826
Pr+460,850 Å13826
Pr+480,960 Å13826
PropertyValueCommentsReferences
Radii ionic (Bokii & Belov)
Pr+31,000 Å 13824
Radii ionic (Goldsmidt)
Pr+31,160 Å 13824
Pr+41,000 Å 13824
Radii ionic (Pauling)
Pr+40,920 Å 13824
Radii ionic (Yagoda)
Pr+31,040 Å 13824
Pr+40,910 Å 13824