A.A.Baikov Institute of Metallurgy and Materials Science

DATABASE ON PROPERTIES OF CHEMICAL ELEMENTS
Properties of element Ge
PropertyValueCommentsReferences
ΔH interface M in O (Miedema)-580
 13823
ΔH interface M in S (Miedema)-156
 13823
ΔH interface O in M (Miedema)-290
 13823
ΔH interface S in M-78
 13823
Atomic concentration4,42(1023 m-3)  13823
Atomic electron scattering factor at 0.51,57 13823
Atomic environment number (Villars, Daams)4  13823
Atomic number start counting left top, left-right sequence32  13823
Atomic weight72,61(10-3 kg)  13823
Atomic weight72,64(10-3 kg)  14358
Boiling temperature3103
 13823
Boiling temperature3106
 19178
Boiling temperature3373
 17058
Charge nuclear effective (Clementi)6,78 13823
Chemical potential (Miedema)4,55 13823
Compression modulus0,772(GPa)  13823
Conductivity electrical1,54(104 Ohm-1*cm-1) 13823
Conductivity thermal59,9
 13823
Debye temperature374
 13823
Density5323
 13823
Distance from core electron (Schubert)1,22(A) 13823
Distance from valence electron (Schubert)1,99(A) 13823
Electrochemical weight equivalent0,18808(mg*K-1)  13823
Electron affinity116
 13823
Electronegativity (Alfred-Rochow)2,02 13823
Electronegativity (Martynov&Batsanov)1,99 13823
Electronegativity (Pauling)1,8 13823
Electronegativity absolute4,6 13823
Energy cohesive (Brewer)3,85
 13823
Energy of ionization first762,1
 13823
Energy of ionization second1537
 13823
Energy of ionization third3302
 13823
Enthalpy of atomization376,6
 13823
Enthalpy of melting36,8
 13823
Enthalpy of surface (Miedema)65
 13823
Enthalpy of vacancies (Miedema)55
 13823
Enthalpy of vaporization327,6
 13823
Enthalpy of vaporization330
 19178
Enthalpy of vaporization334
 19178
Entropy of solid31,10792
 13823
Group number4 13823
Linear thermal expansion coefficient5,5(10-6*K-1) 17058
Linear thermal expansion coefficient5,8(10-6*K-1) 13823
Magnetic frequency of nuclei3,488 13823
Magnetic resonance1,485(MHz)  13823
Magnetic susceptibility0,00000000133(m3*kg-1) 13823
Mass attenuation coefficient CrKα235(cm2*g-1)  13823
Mass attenuation coefficient FeKα146(cm2*g-1) 13823
Mass attenuation coefficient for CuKα75,6(cm2*g-1)  13823
Mass attenuation coefficient for MoKα64,8(cm2*g-1)  13823
Melting temperature1211
 13823
Mendeleev chemists sequence80  13823
Mendeleev d-t start left80  13823
Mendeleev d-t start right24  13823
Mendeleev H d-t start left79  13823
Mendeleev H d-t start right25  13823
Mendeleev H t-d start left79  13823
Mendeleev H t-d start right25  13823
Mendeleev Pettifor84  13823
Mendeleev Pettifor regular83  13823
Mendeleev t-d start left80  13823
Mendeleev t-d start right24  13823
Modulus of rigidity29,6(GPa) 13823
Modulus of rigidity67,08(GPa) 17058
Molar heat capacity23,222
 20518
Molar heat capacity23,347
 13823
Moment nuclear magnetic0,877(mu) 13823
Nuclear charge effective (Slater)5,65 13823
nW1/3 (Miedema)1,37(a.u.-1/3)  13823
Oxidation state first 2 13823
Periodic number start counting bottom right, right-left sequence72  13823
Periodic number start counting left bottom, left-right sequence81  13823
Periodic number start counting top right, right-left sequence23  13823
Poisson's ratio0,32 13823
Quantum number4 13823
Radii covalent122
 13823
Radii metal (Waber)1,369(A) 13823
Radii pseudo-potential (Zunger)1,56(a.u.) 13823
Resistivity electrical460000(10-8 Ohm*m)  13823
Sound velocity5400(m*s-1) 13823
Spectral lines no62 13823
Spin nuclei4,5(h) 13823
Surface tension at Tm1000
 13823
Thermal neutron capture cross section2,2(barns) 13823
V2/3 (Miedema)4,6(cm2)  13823
Valence electron number4 13823
Vapour pressure at Tm0,0000746(N*m-2) 13823
Volume of atom (Villars, Daams)2,264(10-2 nm3)  13823
Work function4,8(eV)  13823
Young's modulus102,73(GPa)  17058
Young's modulus79,9(GPa)  13823
PropertyC.N.Radii ionic (Shannon)CommentsReferences
Ge+260,730 Å 13826
Ge+440,390 Å 13826
Ge+460,530 Å 13826
PropertyValueCommentsReferences
Radii ionic (Bokii & Belov)
Ge+20,650 Å 13824
Ge+40,440 Å 13824
Radii ionic (Goldsmidt)
Ge+40,440 Å 13824
Radii ionic (Pauling)
Ge-42,720 Å 13824
Ge+40,530 Å 13824
Radii ionic (Yagoda)
Ge+20,700 Å 13824
Ge+40,530 Å 13824