Properties of Pr:

Property Name Value Unit Comments Reference
ΔH interface M in O (Miedema) -974 (kJmol-1) 13823
ΔH interface O in M (Miedema) -608 (kJmol-1) 13823
ΔH interface S in M -452 (kJmol-1) 13823
Δinterface M in S (Miedema) -516 (kJmol-1) 13823
γ-free electron to specific heat 0 (mJmol-1K-2) 13823
Atomic concentration 2,92 (1023 m-3) 13823
Atomic electron scattering factor at 0.5 2,55 13823
Atomic environment number (Villars, Daams) 12 13823
Atomic number start counting left top, left-right sequence 59 13823
Atomic weight 140,908 (10-3 kg) 13823
Boiling temperature 3537 (K) 5391
Boiling temperature 3403 (K) 19178
Boiling temperature 3783 (K) 19178
Boiling temperature 3793 (K) 19178
Boiling temperature 3785 (K) 13823
Bulk modulus 28,8 (GPa) 13823
Charge nuclear effective (Clementi) 7,75 13823
Chemical potential (Miedema) 3,19 13823
Compression modulus 0,306 (GPa) 13823
Conductivity electrical 1,42 (104 Ohm-1cm-1) 13823
Conductivity thermal 12,5 (Jmol-1K-1) 13823
Debye temperature 153 (K) 20518
Density 6773 (kgm-3) double-c hexagonal close-packed, 297 K 13823
Density 6640 (kgm-3) bcc, 1094 K 20518
Distance to core electron (Schubert) 1,2 (A) 13823
Distance to valence electron (Schubert) 2,39 (A) 13823
Electrochemical weight equivalent 0,48677 (mgK-1) 13823
Electron affinity 50 (kJmol-1) 13823
Electronegativity (Alfred-Rochow) 1,07 13823
Electronegativity (Martynov&Batsanov) 1,1 13823
Electronegativity (Pauling) 1,05 13823
Electronegativity absolute 3 13823
Energy cohesive (Brewer) 3,7 (Jmol-1) 13823
Energy of ionization (first) 523 (kJmol-1) 13823
Energy of ionization (second) 1018 (kJmol-1) 13823
Energy of ionization (third) 2090 (kJmol-1) 13823
Enthalpy of atomization 355,6 (kJmol-1) 13823
Enthalpy of atomization 355,8 (kJmol-1) 5391
Enthalpy of melting 11,3 (kJmol-1) 13823
Enthalpy of melting 6,9 (kJmol-1) 18453
Enthalpy of surface (Miedema) 115 (kJmol-1) 13823
Enthalpy of vacancies (Miedema) 120 (kJmol-1) 13823
Enthalpy of vaporization 357 (kJmol-1) 13823
Enthalpy of vaporization 331 (kJmol-1) 19178
Enthalpy of vaporization 333 (kJmol-1) 19178
Entropy of solid 74,93 (Jmol-1K-1) 5391
Entropy of solid 73,05966 (Jmol-1K-1) 13823
Entropy of solid 73,74 (Jmol-1K-1) 18453
Group number 3 13823
Hardness (Brinell) 638 [MPa] 13823
Linear thermal expansion coefficient 5,4 (10-6K-1) 13823
Linear thermal expansion coefficient 6,7 (10-6K-1) 20518
Magnetic frequency of nuclei 29,291 13823
Magnetic resonance 13 (MHz) 13823
Magnetic susceptibility 0,000000447 (m3kg-1) 13823
Mass attenuation coefficient FeKα 359 (cm2g-1) 13823
Mass attenuation coefficient for CrKα 236 (cm2g-1) 13823
Mass attenuation coefficient for CuKα 363 (cm2g-1) 13823
Mass attenuation coefficient for MoKα 50,7 (cm2g-1) 13823
Melting temperature 1204 (K) 13823
Melting temperature 1208 (K) 18453
Mendeleev chemists sequence 29 13823
Mendeleev d-t start left 21 13823
Mendeleev d-t start right 84 13823
Mendeleev H d-t start left 20 13823
Mendeleev H d-t start right 85 13823
Mendeleev H t-d start left 19 13823
Mendeleev H t-d start right 84 13823
Mendeleev Pettifor 31 13823
Mendeleev Pettifor regular 32 13823
Mendeleev t-d start left 20 13823
Mendeleev t-d start right 83 13823
Modulus of rigidity 14,8 (GPa) 13823
Molar heat capacity 27,2 (Jmol-1K-1) 13823
Molar heat capacity 28,17 (Jmol-1K-1) 5391
Molar heat capacity 38,45 (Jmol-1K-1) 18453
Moment nuclear magnetic 3,92 (mu) 13823
Nuclear charge effective (Slater) 2,85 13823
nWS^(1/3) (Miedema) 1,2 (a.u.-1/3) 13823
Oxidation state (first) 3 13823
Periodic number start counting bottom right, right-left sequence 45 13823
Periodic number start counting left bottom, left-right sequence 22 13823
Periodic number start counting top right, right-left sequence 82 13823
Poisson's ratio 0,281 13823
Quantum number 6 13823
Radii covalent 165 (pm) 13823
Radii metal (Waber) 1,828 (A) 13823
Radii pseudo-potential (Zunger) 4,48 13823
Resistivity electrical 68 (10-8 Ohmm) 13823
Sound velocity 2280 (ms-1) 13823
Spectral lines no 244 13823
Spin nuclei 2,5 (h) 13823
Surface tension at Tm 1080 (mJm-2) 13823
Thermal neutron capture cross section 11,4 (barns) 13823
V^(2/3) (Miedema) 7,56 (cm2) 13823
Valence electron number 3 13823
Vapour pressure at Tm 0 (Nm-2) 13823
Volume of atom (Villars, Daams) 3,456 (10-2 nm3) 13823
Work function 2,8 (eV) 13823
Young's modulus 37,3 (GPa) 13823

Radii Ionic properties of Pr:

Property Name Charge CN Value Unit Comments Reference
Radii ionic (Bokii & Belov) 3 1 (Å) 13824
Radii ionic (Goldsmidt) 3 1,16 (Å) 13824
Radii ionic (Goldsmidt) 4 1 (Å) 13824
Radii ionic (Pauling) 4 0,92 (Å) 13824
Radii ionic (Yagoda) 3 1,04 (Å) 13824
Radii ionic (Yagoda) 4 0,91 (Å) 13824
Radii ionic (Shannon) 4 8 0,96 (Å) 13826
Radii ionic (Shannon) 3 6 0,99 (Å) 13826
Radii ionic (Shannon) 3 8 1,126 (Å) 13826
Radii ionic (Shannon) 3 9 1,179 (Å) 13826
Radii ionic (Shannon) 4 6 0,85 (Å) 13826