Chimie fizică generală - Lorentz JÄNTSCHI

Tabelele 1.6. Scale de electronegativitate
Pauling [ 5 ] 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
Allred Rochow
[ 6 ]
Pauling
revizuite [ 7 ]
1 H
2.1
He
2 Li Be
B C N O F Ne
1.0 1.5
2.0 2.5 3.0 3.5 4.0
3 Na Mg
Al Si P S Cl Ar
0.9 1.2
1.5 1.8 2.1 2.5 3.0
4 K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr
0.8 1.0 1.3 1.5 1.6 1.6 1.5 1.8 1.8 1.8 1.9 1.6 1.6 1.8 2.0 2.4 2.8
5 Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe
0.8 1.0 1.2 1.4 1.6 1.8 1.9 2.2 2.2 2.2 1.9 1.7 1.7 1.8 1.9 2.1 2.5
6 Cs Ba La Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn
0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.2 2.2 2.2 2.4 1.9 1.8 1.8 1.9 2.0 2.2
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
1 H
2.20
He
2 Li Be
B C N O F Ne
0.97 1.47
2.01 2.50 3.07 3.5 4.1
3 Na Mg
Al Si P S Cl Ar
1.01 1.23
1.47 1.74 2.06 2.44 2.83
4 K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr
0.91 1.04 1.20
1.66 1.82 2.02 2.20 2.48 2.74
5 Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe
0.89 0.99 1.11
1.46 1.49 1.72 1.82 2.01 2.21
6 Cs Ba La Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn
0.86 0.97 1.08
1.44 1.44 1.55 1.67
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
1 H
2.20
He
2 Li Be
B C N O F Ne
0.98 1.57
2.04 2.55 3.04 3.44 3.98
3 Na Mg
Al Si P S Cl Ar
0.93 1.31
1.61 1.90 2.19 2.58 3.16
4 K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr
0.82 1.00 1.36 1.54 1.63 1.66 1.55 1.83 1.88 1.91 1.90 1.65 1.81 2.01 2.18 2.55 2.96 2.90
5 Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe
0.82 0.95 1.22 1.33 1.60 2.16 1.90 2.20 2.28 2.20 1.93 1.69 1.78 1.96 2.05 2.10 2.66
6 Cs Ba La Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn
0.79 0.89 1.27 1.30 1.50 2.36 1.90 2.20 2.20 2.28 2.54 2.00 2.04 2.33 2.02 2.00 2.20
Sanderson [ 8 ] 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
1 H
2.31
He
2 Li Be
B C N O F Ne
0.86 1.61
1.88 2.47 2.93 3.46 3.92
3 Na Mg
Al Si P S Cl Ar
0.85 1.42
1.54 1.74 2.16 2.66 3.28 3.92
4 K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr
0.74 1.06 1.09
1.86 2.10 2.31 2.53 2.76 2.96 3.17
5 Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe
0.70 0.96 0.98
1.73 1.88 2.02 2.19 2.34 2.50 2.63
6 Cs Ba La Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn
0.69 0.93 0.92
1.92 1.96 2.01 2.06
5
Linus PAULING. 1932. The Nature of the Chemical Bond. IV. The Energy of Single Bonds and the Relative
Electronegativity of Atoms. Journal of the American Chemical Society 54(9):3570-3582.
6
Louis A. ALLRED, Eugene G. ROCHOW, 1958. A scale of electronegativity based on electrostatic force.
Journal of Inorganic and Nuclear Chemistry 5(4):264-268.
7
Louis A. ALLRED, 1961. Electronegativity Values from Thermochemical Data. Journal of Inorganic and
Nuclear Chemistry 17(3-4):215-221.
8
Tom R. SANDERSON, 1983. Electronegativity and bond energy. Journal of the American Chemical Society
105(8):2259-2261.
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