Tin | |
Electrons per shell | 2,8,18,18,4 |
Electron Configuration | [Kr] 4d10 5s2 5p2 |
Ground state | 3P0 |
Atomic Volume | 16.3 cm3 mol-1 |
Electronegativity | 1.96 |
Magnetic ordering | No data |
Mass magnetic susceptibility | -3.1 x 10-9 |
Molar magnetic susceptibility | -3.68 x 10-10 |
Speed of sound | 2730 m s-1 |
Thermal Properties | |
Enthalpy of Atomization | 301.3 kJ mol-1 @25°C |
Enthalpy of Fusion | 7.2 kJ mol-1 |
Enthalpy of Vaporisation | 296.2 kJ mol-1 |
Heat Capacity | 27.112 J mol-1 K-1 |
Thermal Conductivity | 66.8 W m-1 K-1 |
Thermal Expansion | 22.0 μm m-1 K-1 |
Hardness | |
Brinell hardness | 51 MPa |
Mohs hardness | 1.5 |
Elastic Properties | |
Bulk modulus | 58 GPa |
Poisson ratio | 0.36 |
Shear modulus | 18 GPa |
Young's modulus | 50 GPa |
Electrical Properties | |
Electrical resistivity | 1.1 x 10-7 Ω m |
Electrical conductivity | 0.0917 106/cm Ω |
Chemical Properties | |
Electrochemical Equivalent | 1.1071 g Ah-1 |
Electron Work Function | 4.42 eV |
Valence Electron Potential (-eV) | 83.5 |
Ionization Potential | |
First | 7.344 |
Second | 14.632 |
Third | 30.502 |
Incompatibilities | Chlorine, turpentine, acids, alkalis. |
Flammability | |
Non-combustible solid (except as dust) |
Energy Levels | |
Kα1 (intensity 100) | 25.2713 KeV |
Kα2 (intensity 50) | 25.044 KeV |
Kβ1 (intensity 19.2) | 28.486 KeV |
Kβ2 (intensity 5.3) | 29.1053 KeV |
Kβ3 (intensity 8) | 28.4392 KeV |
Lα1 (intensity 100) | 3.44398 KeV |
Lα2 (intensity 10) | 3.43542 KeV |
Lβ1 (intensity 42) | 3.6628 KeV |
Lβ2 (intensity 14.7) | 3.90486 KeV |
Lβ3 (intensity 9) | 3.7485 KeV |
Lβ4 (intensity 4) | 3.7073 KeV |
Lγ1 (intensity 4) | 4.13112 KeV |
Lγ2 (intensity 2) | 4.3764 KeV |
Lγ3 (intensity 2) | 3.271 KeV |
Ll (intensity 5) | 3.0426 KeV |
Atomic Radii | |
Empirical | 145 pm |
Bohr Radius | 145 pm |
Covalent Radius | 141 pm |
Van der Waals | 217 pm |
Triple covalent | 132 pm |
Metallic | No data. |
Oxidation States | |
Main | Sn+2, Sn+4 |
Other | |
Ionisation Energies (kJ mol-1) | |
M - M+ | 708.6 |
M+ - M2+ | 1411.8 |
M2+ - M3+ | 2943 |
M3+ - M4+ | 3930.2 |
M4+ - M5+ | 6974 |
M5+ - M6+ | 9900 |
M6+ - M7+ | 12200 |
M7+ - M8+ | 14600 |
M8+ - M9+ | 17000 |
M9+ - M10+ | 20600 |
Covalent Bonds (kJ mol-1) | |
Sn-H | 314 |
Sn-C | 225 |
Sn+2-O | 557 |
Sn+4-F | 322 |
Sn+4-Cl | 315 |
Sn-Sn | 195 |
Vapour Pressure | ||||||
P (Pa) | 1 | 10 | 100 | 1K | 10K | 100K |
T (K) | 1497 | 1657 | 1855 | 2107 | 2438 | 2893 |
Crystal Structure | |
Structure | Tetragonal |
a = 583.18 pm | |
b = 583.18 pm | |
c = 318.19 pm | |
α = 90° | |
β = 90° | |
γ = 90° |