A.A.Baikov Institute of Metallurgy and Materials Science

DATABASE ON PROPERTIES OF CHEMICAL ELEMENTS
Properties of element H
PropertyValueCommentsReferences
Atomic electron scattering factor at 0.50,036 13823
Atomic environment number (Villars, Daams)12  13823
Atomic number start counting left top, left-right sequence1  13823
Atomic weight1,008(10-3 kg)  13823
Boiling temperature20,28
 13823
Boiling temperature21,15
 19178
Charge nuclear effective (Clementi)1 13823
Chemical potential (Miedema)5,2 13823
Compression modulus0,002(GPa)  13823
Conductivity thermal0,183
 13823
Density76
 13823
Distance from core electron (Schubert)1,86(A) 13823
Distance from valence electron (Schubert)1,86(A) 13823
Electrochemical weight equivalent0,01045(mg*K-1)  13823
Electron affinity72,8
 13823
Electronegativity (Alfred-Rochow)1,1 13823
Electronegativity (Martynov&Batsanov)2,1 13823
Electronegativity (Pauling)2,1 13823
Electronegativity absolute7,18 13823
Energy cohesive (Brewer)2,3
 13823
Energy of ionization first1312
 13823
Enthalpy of atomization218
 13823
Enthalpy of melting0,117
 13823
Enthalpy of vaporization0,46
 13823
Enthalpy of vaporization0,9
 19178
Enthalpy of vaporization0,92
 19178
Entropy of solid130,67003
 13823
Group number1 13823
Magnetic frequency of nuclei100 13823
Magnetic resonance42,576(MHz)  13823
Magnetic susceptibility0,000000025(m3*kg-1) 13823
Mass attenuation coefficient CrKα0,55(cm2*g-1)  13823
Mass attenuation coefficient FeKα0,483(cm2*g-1) 13823
Mass attenuation coefficient for CuKα0,435(cm2*g-1)  13823
Mass attenuation coefficient for MoKα0,38(cm2*g-1)  13823
Melting temperature14
 13823
Mendeleev chemists sequence1  13823
Mendeleev d-t start left7  13823
Mendeleev d-t start right103  13823
Mendeleev H d-t start left97  13823
Mendeleev H d-t start right12  13823
Mendeleev H t-d start left92  13823
Mendeleev H t-d start right7  13823
Mendeleev Pettifor103  13823
Mendeleev Pettifor regular13  13823
Mendeleev t-d start left1  13823
Mendeleev t-d start right97  13823
Molar heat capacity28,824
 13823
Molar heat capacity28,836
H220518
Moment nuclear magnetic2,792(mu) 13823
Nuclear charge effective (Slater)1 13823
nW1/3 (Miedema)1,5(a.u.-1/3)  13823
Oxidation state first 1 13823
Periodic number start counting bottom right, right-left sequence103  13823
Periodic number start counting left bottom, left-right sequence102  13823
Periodic number start counting top right, right-left sequence2  13823
Quantum number1 13823
Radii covalent30
 13823
Radii metal (Waber)0,78(A) 13823
Radii pseudo-potential (Zunger)1,25(a.u.) 13823
Sound velocity1270(m*s-1) 13823
Spectral lines no47 13823
Spin nuclei0,5(h) 13823
Thermal neutron capture cross section0,332(barns) 13823
V2/3 (Miedema)1,42(cm2)  13823
Valence electron number1 13823
Volume of atom (Villars, Daams)1,902(10-2 nm3)  13823
PropertyC.N.Radii ionic (Shannon)CommentsReferences
H +11-0,380 Å13975
H +12-0,180 Å13826
PropertyValueCommentsReferences
Radii ionic (Bokii & Belov)
H -11,360 Å 13824
H +10,000 Å 13824
Radii ionic (Goldsmidt)
H -11,540 Å 13824
Radii ionic (Pauling)
H -12,080 Å 13824