A.A.Baikov Institute of Metallurgy and Materials Science

DATABASE ON PROPERTIES OF CHEMICAL ELEMENTS
Properties of element Ho
PropertyValueCommentsReferences
ΔH interface M in O (Miedema)-941
 13823
ΔH interface O in M (Miedema)-627
 13823
Atomic concentration3,22(1023 m-3)  13823
Atomic electron scattering factor at 0.52,81 13823
Atomic environment number (Villars, Daams)12  13823
Atomic number start counting left top, left-right sequence67  13823
Atomic weight164,93(10-3 kg)  13823
Boiling temperature2873
 19178
Boiling temperature2921
 5391
Boiling temperature2968
 13823
Boiling temperature2973
 19178
Bulk modulus40(GPa)  13823
Charge nuclear effective (Clementi)8,44 13823
Chemical potential (Miedema)3,22 13823
Compression modulus0,397(GPa)  13823
Conductivity electrical1,11(104 Ohm-1*cm-1) 13823
Conductivity thermal16,2
 13823
Debye temperature190
 20518
Density8795
hcp, 297 K13823
Distance from core electron (Schubert)1,04(A) 13823
Distance from valence electron (Schubert)2,19(A) 13823
Electrochemical weight equivalent0,56974(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 absolute3,3 13823
Energy cohesive (Brewer)3,14
 13823
Energy of ionization first580,8
 13823
Energy of ionization second1139
 13823
Energy of ionization third2221
 13823
Enthalpy of atomization300,2
 5391
Enthalpy of atomization300,8
 13823
Enthalpy of melting14,3
 18453
Enthalpy of melting16,1
 13823
Enthalpy of surface (Miedema)115
 13823
Enthalpy of vacancies (Miedema)120
 13823
Enthalpy of vaporization251
 19178
Enthalpy of vaporization303
 13823
Entropy of solid74,39944
 13823
Entropy of solid75,19
 18453
Entropy of solid75,76
 5391
Group number3 13823
Hardness (Brinell)912[MPa] 13823
Linear thermal expansion coefficient11,2(10-6*K-1) 20518
Linear thermal expansion coefficient9,8(10-6*K-1) 13823
Magnetic frequency of nuclei20,513 13823
Magnetic resonance8,7(MHz)  13823
Magnetic susceptibility0,00000549(m3*kg-1) 13823
Mass attenuation coefficient CrKα359(cm2*g-1)  13823
Mass attenuation coefficient FeKα234(cm2*g-1) 13823
Mass attenuation coefficient for CuKα128(cm2*g-1)  13823
Mass attenuation coefficient for MoKα73,9(cm2*g-1)  13823
Melting temperature1683
 18453
Melting temperature1742
 13823
Melting temperature1747
 5391
Mendeleev chemists sequence45  13823
Mendeleev d-t start left37  13823
Mendeleev d-t start right68  13823
Mendeleev H d-t start left36  13823
Mendeleev H d-t start right69  13823
Mendeleev H t-d start left35  13823
Mendeleev H t-d start right68  13823
Mendeleev Pettifor23  13823
Mendeleev Pettifor regular24  13823
Mendeleev t-d start left36  13823
Mendeleev t-d start right67  13823
Modulus of rigidity26,3(GPa) 13823
Molar heat capacity27,15
 13823
Moment nuclear magnetic3,31(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 sequence37  13823
Periodic number start counting left bottom, left-right sequence30  13823
Periodic number start counting top right, right-left sequence74  13823
Poisson's ratio0,231 13823
Quantum number6 13823
Radii covalent158
 13823
Radii metal (Waber)1,766(A) 13823
Radii pseudo-potential (Zunger)3,65(a.u.) 13823
Resistivity electrical87(10-8 Ohm*m)  13823
Sound velocity2760(m*s-1) 13823
Spectral lines no58 13823
Spin nuclei3,5(h) 13823
Surface tension at Tm1150
 13823
Thermal neutron capture cross section65(barns) 13823
V2/3 (Miedema)7,06(cm2)  13823
Valence electron number13 13823
Volume of atom (Villars, Daams)3,112(10-2 nm3)  13823
Work function3,1(eV)  13823
Young's modulus64,8(GPa)  13823
PropertyC.N.Radii ionic (Shannon)CommentsReferences
Ho+360,901 Å 13826
Ho+381,015 Å 13826
Ho+391,072 Å 13826
Ho+3101,120 Å 13826
PropertyValueCommentsReferences
Radii ionic (Bokii & Belov)
Ho+30,860 Å 13824
Radii ionic (Goldsmidt)
Ho+31,050 Å 13824
Radii ionic (Yagoda)
Ho+30,970 Å 13824