A.A.Baikov Institute of Metallurgy and Materials Science

DATABASE ON PROPERTIES OF CHEMICAL ELEMENTS
Properties of element Ca
PropertyValueCommentsReferences
ΔH interface M in O (Miedema)-659
 13823
ΔH interface M in S (Miedema)-476
 13823
ΔH interface O in M (Miedema)-634
 13823
ΔH interface S in M-476
 13823
γ-free electron to specific heat2,9(mJ*mol-1*K-2)  13823
Atomic concentration2,3(1023 m-3)  13823
Atomic electron scattering factor at 0.51,07 13823
Atomic environment number (Villars, Daams)12  13823
Atomic number start counting left top, left-right sequence20  13823
Atomic weight40,078(10-3 kg)  13823
Boiling temperature1757
 13823
Boiling temperature1760
 19178
Bulk modulus17,2(GPa)  13823
Charge nuclear effective (Clementi)4,4 13823
Chemical potential (Miedema)2,55 13823
Compression modulus0,152(GPa)  13823
Conductivity electrical25(104 Ohm-1*cm-1) 13823
Conductivity thermal190
 13823
Debye temperature230
 13823
Density1550
 13823
Distance from core electron (Schubert)1,25(A) 13823
Distance from valence electron (Schubert)2,7(A) 13823
Electrochemical weight equivalent0,20767(mg*K-1)  13823
Electron affinity-186
 13823
Electronegativity (Alfred-Rochow)1,04 13823
Electronegativity (Martynov&Batsanov)1,17 13823
Electronegativity (Pauling)1 13823
Electronegativity absolute2,2 13823
Energy cohesive (Brewer)1,84
 13823
Energy of ionization first589,8
 13823
Energy of ionization second1145
 13823
Energy of ionization third4912
 13823
Enthalpy of atomization178,2
 13823
Enthalpy of melting8,6
 13823
Enthalpy of surface (Miedema)60
 13823
Enthalpy of vacancies (Miedema)65
 13823
Enthalpy of vaporization150
 19178
Enthalpy of vaporization150,6
 13823
Enthalpy of vaporization153
 19178
Enthalpy of vaporization155
 19178
Entropy of solid41,65866
 13823
Group number2 13823
Hardness (Brinell)167[MPa] 13823
Linear thermal expansion coefficient22,4(10-6*K-1) 13823
Magnetic frequency of nuclei6,728 13823
Magnetic resonance2,8654(MHz)  13823
Magnetic susceptibility0,000000014(m3*kg-1) 13823
Mass attenuation coefficient CrKα468(cm2*g-1)  13823
Mass attenuation coefficient FeKα299(cm2*g-1) 13823
Mass attenuation coefficient for CuKα162(cm2*g-1)  13823
Mass attenuation coefficient for MoKα18,3(cm2*g-1)  13823
Melting temperature1111
 13823
Mendeleev chemists sequence12  13823
Mendeleev d-t start left11  13823
Mendeleev d-t start right94  13823
Mendeleev H d-t start left10  13823
Mendeleev H d-t start right95  13823
Mendeleev H t-d start left9  13823
Mendeleev H t-d start right94  13823
Mendeleev Pettifor16  13823
Mendeleev Pettifor regular17  13823
Mendeleev t-d start left10  13823
Mendeleev t-d start right93  13823
Modulus of rigidity7,9(GPa) 13823
Molar heat capacity25,31
 13823
Molar heat capacity25,929
 20518
Moment nuclear magnetic-1,315(mu) 13823
Nuclear charge effective (Slater)2,85 13823
nW1/3 (Miedema)0,91(a.u.-1/3)  13823
Oxidation state first 2 13823
Periodic number start counting bottom right, right-left sequence84  13823
Periodic number start counting left bottom, left-right sequence69  13823
Periodic number start counting top right, right-left sequence35  13823
Poisson's ratio0,31 13823
Quantum number4 13823
Radii covalent174
 13823
Radii metal (Waber)1,974(A) 13823
Radii pseudo-potential (Zunger)3(a.u.) 13823
Resistivity electrical3,43(10-8 Ohm*m)  13823
Sound velocity3700(m*s-1) 13823
Spectral lines no163 13823
Spin nuclei3,5(h) 13823
Surface tension at Tm490
 13823
Thermal neutron capture cross section0,43(barns) 13823
V2/3 (Miedema)8,82(cm2)  13823
Valence electron number2 13823
Vapour pressure at Tm254(N*m-2) 13823
Volume of atom (Villars, Daams)4,633(10-2 nm3)  13823
Work function2,8(eV)  13823
Young's modulus19,6(GPa)  13823
PropertyC.N.Radii ionic (Shannon)CommentsReferences
Ca+261,000 Å 13826
Ca+271,060 Å 13826
Ca+281,120 Å 13826
Ca+291,180 Å 13826
Ca+2101,230 Å 13826
Ca+2121,340 Å 13826
PropertyValueCommentsReferences
Radii ionic (Bokii & Belov)
Ca+21,040 Å 13824
Radii ionic (Goldsmidt)
Ca+21,060 Å 13824
Radii ionic (Pauling)
Ca+20,980 Å 13824
Radii ionic (Yagoda)
Ca+20,960 Å 13824