A.A.Baikov Institute of Metallurgy and Materials Science

DATABASE ON PROPERTIES OF CHEMICAL ELEMENTS
Properties of element Cr
PropertyValueCommentsReferences
ΔH interface M in O (Miedema)-578
 13823
ΔH interface M in S (Miedema)-183
 13823
ΔH interface O in M (Miedema)-377
 13823
ΔH interface S in M-155
 13823
γ-free electron to specific heat1,4(mJ*mol-1*K-2)  13823
Atomic concentration8,33(1023 m-3)  13823
Atomic electron scattering factor at 0.51,25 13823
Atomic environment number (Villars, Daams)14  13823
Atomic number start counting left top, left-right sequence24  13823
Atomic weight51,996(10-3 kg)  13823
Atomic weight51,9961(10-3 kg)  14358
Boiling temperature2755
 19178
Boiling temperature2933
 17056
Boiling temperature2943
 19178
Boiling temperature2944
 19178
Boiling temperature2945
 13823
Boiling temperature2987
 26703
Bulk modulus160(GPa)  13823
Charge nuclear effective (Clementi)5,13 13823
Chemical potential (Miedema)4,65 13823
Compression modulus1,901(GPa)  13823
Conductivity electrical7,7(104 Ohm-1*cm-1) 13823
Conductivity thermal93,7
 13823
Debye temperature630
 13823
Density7140
 17056
Density7190
 13823
Distance from core electron (Schubert)0,84(A) 13823
Distance from valence electron (Schubert)1,33(A) 13823
Electrochemical weight equivalent0,08983(mg*K-1)  13823
Electron affinity64,3
 13823
Electronegativity (Alfred-Rochow)1,56 13823
Electronegativity (Martynov&Batsanov)2 13823
Electronegativity (Pauling)1,6 13823
Electronegativity absolute3,72 13823
Energy cohesive (Brewer)4,1
 13823
Energy of ionization first652,8
 13823
Energy of ionization second1592
 13823
Energy of ionization third2987
 13823
Enthalpy of atomization396,6
 13823
Enthalpy of melting21
 13823
Enthalpy of surface (Miedema)121
 13823
Enthalpy of vacancies (Miedema)120
 13823
Enthalpy of vaporization340
 19178
Enthalpy of vaporization341,8
 13823
Enthalpy of vaporization347
 19178
Enthalpy of vaporization349
 19178
Entropy of solid23,86476
 13823
Group number6 13823
Hardness (Brinell)1120[MPa] 13823
Linear thermal expansion coefficient4,5(10-6*K-1) 13823
Linear thermal expansion coefficient8,4(10-6*K-1) 17056
Magnetic frequency of nuclei5,652 13823
Magnetic resonance2,4063(MHz)  13823
Magnetic susceptibility0,0000000445(m3*kg-1) 13823
Mass attenuation coefficient CrKα79,8(cm2*g-1)  13823
Mass attenuation coefficient FeKα463(cm2*g-1) 13823
Mass attenuation coefficient for CuKα260(cm2*g-1)  13823
Mass attenuation coefficient for MoKα31,1(cm2*g-1)  13823
Melting temperature2073
 17056
Melting temperature2130
 13823
Melting temperature2135
 26703
Melting temperature2180
 20518
Mendeleev chemists sequence60  13823
Mendeleev d-t start left54  13823
Mendeleev d-t start right52  13823
Mendeleev H d-t start left53  13823
Mendeleev H d-t start right53  13823
Mendeleev H t-d start left51  13823
Mendeleev H t-d start right51  13823
Mendeleev Pettifor57  13823
Mendeleev Pettifor regular57  13823
Mendeleev t-d start left52  13823
Mendeleev t-d start right50  13823
Modulus of rigidity115,3(GPa) 13823
Molar heat capacity23,35
 13823
Molar heat capacity23,59
 26703
Moment nuclear magnetic0,474(mu) 13823
Nuclear charge effective (Slater)3,35 13823
nW1/3 (Miedema)1,73(a.u.-1/3)  13823
Oxidation state first 2 13823
Periodic number start counting bottom right, right-left sequence80  13823
Periodic number start counting left bottom, left-right sequence73  13823
Periodic number start counting top right, right-left sequence31  13823
Poisson's ratio0,21 13823
Quantum number4 13823
Radii covalent118
 13823
Radii metal (Waber)1,36(A) 13823
Radii pseudo-potential (Zunger)2,44(a.u.) 13823
Resistivity electrical12,7(10-8 Ohm*m)  13823
Sound velocity5940(m*s-1) 13823
Spectral lines no1133 13823
Spin nuclei1,5(h) 13823
Surface tension at Tm2300
 13823
Thermal neutron capture cross section3,1(barns) 13823
V2/3 (Miedema)3,74(cm2)  13823
Valence electron number6 13823
Vapour pressure at Tm990(N*m-2) 13823
Volume of atom (Villars, Daams)1,2(10-2 nm3)  13823
Work function4,5(eV)  13823
Young's modulus279(GPa)  13823
PropertyC.N.Radii ionic (Shannon)CommentsReferences
Cr+260,800 Å 13826
Cr+360,615 Å 13826
Cr+440,410 Å 13826
Cr+460,550 Å 13826
Cr+540,345 Å 13826
Cr+560,490 Å 13826
Cr+580,570 Å 13826
Cr+640,260 Å 13826
Cr+660,440 Å 13826
PropertyValueCommentsReferences
Radii ionic (Bokii & Belov)
Cr+20,830 Å 13824
Cr+30,640 Å 13824
Cr+60,350 Å 13824
Radii ionic (Goldsmidt)
Cr+60,350 Å 13824
Radii ionic (Pauling)
Cr+30,640 Å 13824
Cr+60,520 Å 13824
Radii ionic (Yagoda)
Cr+20,830 Å 13824
Cr+30,710 Å 13824
Cr+60,530 Å 13824