Properties of Os:

Property Name Value Unit Comments Reference
ΔH interface M in O (Miedema) -394 (kJmol-1) 13823
ΔH interface O in M (Miedema) -147 (kJmol-1) 13823
ΔH interface S in M -70 (kJmol-1) 13823
Δinterface M in S (Miedema) -147 (kJmol-1) 13823
γ-free electron to specific heat 2,4 (mJmol-1K-2) 13823
Atomic concentration 7,14 (1023 m-3) 13823
Atomic electron scattering factor at 0.5 3,09 13823
Atomic environment number (Villars, Daams) 12 13823
Atomic number start counting left top, left-right sequence 76 13823
Atomic weight 190,2 (10-3 kg) 13823
Atomic weight 190,23 (10-3 kg) 14358
Boiling temperature 5300 (K) 13823
Boiling temperature 5273 (K) 19178
Boiling temperature 5285 (K) 19178
Bulk modulus 405 (GPa) 300 K 20517
Bulk modulus 410 (GPa) 0 K; extrapolation 20517
Bulk modulus 373 (GPa) 13823
Charge nuclear effective (Clementi) 10,32 13823
Chemical potential (Miedema) 5,4 13823
Compression modulus 4,18 (GPa) 13823
Conductivity electrical 11,1 (104 Ohm-1cm-1) 13823
Conductivity thermal 87,6 (Jmol-1K-1) 13823
Debye temperature 500 (K) 13823
Debye temperature 467 (K) 5651
Density 22590 (kgm-3) 13823
Density 22610 (kgm-3) 300 K 20517
Distance to core electron (Schubert) 0,81 (A) 13823
Distance to valence electron (Schubert) 1,31 (A) 13823
Electrochemical weight equivalent 0,49611 (mgK-1) 13823
Electron affinity 106 (kJmol-1) 13823
Electronegativity (Alfred-Rochow) 1,52 13823
Electronegativity (Martynov&Batsanov) 1,85 13823
Electronegativity (Pauling) 2,2 13823
Electronegativity absolute 4,9 13823
Energy cohesive (Brewer) 8,17 (Jmol-1) 13823
Energy of ionization (first) 839,4 (kJmol-1) 13823
Energy of ionization (second) 1631 (kJmol-1) 13823
Energy of ionization (third) 2413 (kJmol-1) 13823
Enthalpy of atomization 791 (kJmol-1) 13823
Enthalpy of melting 31,7 (kJmol-1) 13823
Enthalpy of melting 32 (kJmol-1) 24430
Enthalpy of surface (Miedema) 202 (kJmol-1) 13823
Enthalpy of vacancies (Miedema) 210 (kJmol-1) 13823
Enthalpy of vaporization 678 (kJmol-1) 19178
Enthalpy of vaporization 738 (kJmol-1) 19178
Enthalpy of vaporization 628 (kJmol-1) 19178
Enthalpy of vaporization 738,06 (kJmol-1) 13823
Entropy of solid 32,56 (Jmol-1K-1) 5651
Entropy of solid 32,65704 (Jmol-1K-1) 13823
Group number 8 13823
Hardness (Brinell) 3920 [MPa] 13823
Linear thermal expansion coefficient 5,1 (10-6K-1) 13823
Magnetic frequency of nuclei 2,282 13823
Magnetic resonance 1 (MHz) 13823
Magnetic susceptibility 0,00000000065 (m3kg-1) 13823
Mass attenuation coefficient FeKα 330 (cm2g-1) 13823
Mass attenuation coefficient for CrKα 487 (cm2g-1) 13823
Mass attenuation coefficient for CuKα 186 (cm2g-1) 13823
Mass attenuation coefficient for MoKα 106 (cm2g-1) 13823
Melting temperature 3400 (K) 5651
Melting temperature 3287 (K) 5651
Melting temperature 3334 (K) 5651
Melting temperature 3318 (K) 13823
Mendeleev chemists sequence 67 13823
Mendeleev d-t start left 58 13823
Mendeleev d-t start right 44 13823
Mendeleev H d-t start left 57 13823
Mendeleev H d-t start right 45 13823
Mendeleev H t-d start left 59 13823
Mendeleev H t-d start right 47 13823
Mendeleev Pettifor 63 13823
Mendeleev Pettifor regular 61 13823
Mendeleev t-d start left 60 13823
Mendeleev t-d start right 46 13823
Modulus of rigidity 223 (GPa) 13823
Molar heat capacity 24,7 (Jmol-1K-1) 13823
Molar heat capacity 24,688 (Jmol-1K-1) 5651
Moment nuclear magnetic 0,651 (mu) 13823
Nuclear charge effective (Slater) 3,75 13823
nWS^(1/3) (Miedema) 1,85 (a.u.-1/3) 13823
Oxidation state (first) 4 13823
Periodic number start counting bottom right, right-left sequence 28 13823
Periodic number start counting left bottom, left-right sequence 39 13823
Periodic number start counting top right, right-left sequence 65 13823
Poisson's ratio 0,25 13823
Quantum number 6 13823
Radii covalent 126 (pm) 13823
Radii metal (Waber) 1,353 (A) 13823
Radii pseudo-potential (Zunger) 2,65 13823
Resistivity electrical 8,12 (10-8 Ohmm) 13823
Sound velocity 4940 (ms-1) 13823
Spectral lines no 346 13823
Spin nuclei 1,5 (h) 13823
Surface tension at Tm 3450 (mJm-2) 13823
Thermal neutron capture cross section 15 (barns) 13823
V^(2/3) (Miedema) 4,15 (cm2) 13823
Valence electron number 8 13823
Vapour pressure at Tm 2,52 (Nm-2) 13823
Volume of atom (Villars, Daams) 1,391 (10-2 nm3) 13823
Work function 4,7 (eV) 13823
Young's modulus 559 (GPa) 13823

Radii Ionic properties of Os:

Property Name Charge CN Value Unit Comments Reference
Radii ionic (Bokii & Belov) 4 0,65 (Å) 13824
Radii ionic (Goldsmidt) 4 0,67 (Å) 13824
Radii ionic (Pauling) 4 0,65 (Å) 13824
Radii ionic (Yagoda) 4 0,69 (Å) 13824
Radii ionic (Yagoda) 8 0,53 (Å) 13824
Radii ionic (Shannon) 4 6 0,63 (Å) 13826
Radii ionic (Shannon) 5 6 0,575 (Å) 13826
Radii ionic (Shannon) 6 5 0,49 (Å) 13826
Radii ionic (Shannon) 6 6 0,545 (Å) 13826
Radii ionic (Shannon) 7 6 0,525 (Å) 13826
Radii ionic (Shannon) 8 4 0,39 (Å) 13826