A.A.Baikov Institute of Metallurgy and Materials Science

DATABASE ON PROPERTIES OF CHEMICAL ELEMENTS
Properties of element Os
PropertyValueCommentsReferences
ΔH interface M in O (Miedema)-394
 13823
ΔH interface M in S (Miedema)-147
 13823
ΔH interface O in M (Miedema)-147
 13823
ΔH interface S in M-70
 13823
γ-free electron to specific heat2,4(mJ*mol-1*K-2)  13823
Atomic concentration7,14(1023 m-3)  13823
Atomic electron scattering factor at 0.53,09 13823
Atomic environment number (Villars, Daams)12  13823
Atomic number start counting left top, left-right sequence76  13823
Atomic weight190,2(10-3 kg)  13823
Atomic weight190,23(10-3 kg)  14358
Boiling temperature5273
 19178
Boiling temperature5285
 19178
Boiling temperature5300
 13823
Bulk modulus373(GPa)  13823
Bulk modulus405(GPa) 300 K20517
Bulk modulus410(GPa) 0 K; extrapolation20517
Charge nuclear effective (Clementi)10,32 13823
Chemical potential (Miedema)5,4 13823
Compression modulus4,18(GPa)  13823
Conductivity electrical11,1(104 Ohm-1*cm-1) 13823
Conductivity thermal87,6
 13823
Debye temperature467
 5651
Debye temperature500
 13823
Density22590
 13823
Density22610
300 K20517
Distance from core electron (Schubert)0,81(A) 13823
Distance from valence electron (Schubert)1,31(A) 13823
Electrochemical weight equivalent0,49611(mg*K-1)  13823
Electron affinity106
 13823
Electronegativity (Alfred-Rochow)1,52 13823
Electronegativity (Martynov&Batsanov)1,85 13823
Electronegativity (Pauling)2,2 13823
Electronegativity absolute4,9 13823
Energy cohesive (Brewer)8,17
 13823
Energy of ionization first839,4
 13823
Energy of ionization second1631
 13823
Energy of ionization third2413
 13823
Enthalpy of atomization791
 13823
Enthalpy of melting31,7
 13823
Enthalpy of surface (Miedema)202
 13823
Enthalpy of vacancies (Miedema)210
 13823
Enthalpy of vaporization628
 19178
Enthalpy of vaporization678
 19178
Enthalpy of vaporization738
 19178
Enthalpy of vaporization738,06
 13823
Entropy of solid32,56
 5651
Entropy of solid32,65704
 13823
Group number8 13823
Hardness (Brinell)3920[MPa] 13823
Linear thermal expansion coefficient5,1(10-6*K-1) 13823
Magnetic frequency of nuclei2,282 13823
Magnetic resonance1(MHz)  13823
Magnetic susceptibility0,00000000065(m3*kg-1) 13823
Mass attenuation coefficient CrKα487(cm2*g-1)  13823
Mass attenuation coefficient FeKα330(cm2*g-1) 13823
Mass attenuation coefficient for CuKα186(cm2*g-1)  13823
Mass attenuation coefficient for MoKα106(cm2*g-1)  13823
Melting temperature3287
 5651
Melting temperature3318
 13823
Melting temperature3334
 5651
Melting temperature3400
 5651
Mendeleev chemists sequence67  13823
Mendeleev d-t start left58  13823
Mendeleev d-t start right44  13823
Mendeleev H d-t start left57  13823
Mendeleev H d-t start right45  13823
Mendeleev H t-d start left59  13823
Mendeleev H t-d start right47  13823
Mendeleev Pettifor63  13823
Mendeleev Pettifor regular61  13823
Mendeleev t-d start left60  13823
Mendeleev t-d start right46  13823
Modulus of rigidity223(GPa) 13823
Molar heat capacity24,688
 5651
Molar heat capacity24,7
 13823
Moment nuclear magnetic0,651(mu) 13823
Nuclear charge effective (Slater)3,75 13823
nW1/3 (Miedema)1,85(a.u.-1/3)  13823
Oxidation state first 4 13823
Periodic number start counting bottom right, right-left sequence28  13823
Periodic number start counting left bottom, left-right sequence39  13823
Periodic number start counting top right, right-left sequence65  13823
Poisson's ratio0,25 13823
Quantum number6 13823
Radii covalent126
 13823
Radii metal (Waber)1,353(A) 13823
Radii pseudo-potential (Zunger)2,65(a.u.) 13823
Resistivity electrical8,12(10-8 Ohm*m)  13823
Sound velocity4940(m*s-1) 13823
Spectral lines no346 13823
Spin nuclei1,5(h) 13823
Surface tension at Tm3450
 13823
Thermal neutron capture cross section15(barns) 13823
V2/3 (Miedema)4,15(cm2)  13823
Valence electron number8 13823
Vapour pressure at Tm2,52(N*m-2) 13823
Volume of atom (Villars, Daams)1,391(10-2 nm3)  13823
Work function4,7(eV)  13823
Young's modulus559(GPa)  13823
PropertyC.N.Radii ionic (Shannon)CommentsReferences
Os+460,630 Å 13826
Os+560,575 Å 13826
Os+650,490 Å 13826
Os+660,545 Å 13826
Os+760,525 Å 13826
Os+840,390 Å 13826
PropertyValueCommentsReferences
Radii ionic (Bokii & Belov)
Os+40,650 Å 13824
Radii ionic (Goldsmidt)
Os+40,670 Å 13824
Radii ionic (Pauling)
Os+40,650 Å 13824
Radii ionic (Yagoda)
Os+40,690 Å 13824
Os+80,530 Å 13824