For a review of chemical reaction energetics, see Chapter 9 of Concepts of
Chemistry
Pauling Equation: BEA-B =
(BEA-ABEB-B)1/2 + 96.5(cA - cB)2 This estimates the
A-B bond energy in kiloJoules (kJ)/mole
| Word Description of Table Entry | Symbolic Description of Table Entry |
|---|---|
| Element, Electronegativity | A, c |
| Self single bond, kJ/mole | A-A |
| Self double and triple bonds, kJ/mole | A=A,A(3)A ((3) means triple bond) |
| Bond to hydrogen, kJ/mole | A-H |
| Bond to oxygen, kJ/mole | A-O,A=O |
| Bond to fluorine, kJ/mole | A-F |
| H, 2.20 432 --- 432 459 565 |
He | ||||||||||||||||
| Li,0.98 105 ---- 243 ---- 573 |
Be,1.57 208 ---- ---- ----,444 632 |
B,2.04 293 ---- 389 536,636 613 |
C,2.55 346 602,835 411 358,799 485 |
N,3.04 167 418,942 386 201,607 283 |
O,3.44 142 494 459 142,494 190 |
F,3.98 155 ---- 565 ---- 155 |
Ne | ||||||||||
| Na,0.93 72 ---- 197 ---- 477 |
Mg,1.31 129 ---- ---- ----,377 513 |
Al,1.61 ---- ---- 272 ---- 583 |
Si,1.90 222 318 318 452,640 565 |
P,2.19 220 ----,481 322 335,544 490 |
S,2.58 240 425 363 ----,523 284 |
Cl,3.16 240 ---- 428 218 249 |
Ar | ||||||||||
| K,0.82 49 ---- 180 ---- 490 |
Ca,1.00 105 ---- ---- ----,460 550 |
Sc,1.36 | Ti,1.54 | V,1.63 | Cr,1.66 | Mn,1.55 | Fe,1.83 | Co,1.88 | Ni,1.91 | Cu,1.90 | Zn,1.65 | Ga,1.81 113 ---- ---- ---- 469 |
Ge,2.01 188 272 ---- ---- 470 |
As,2.18 146 ----,380 247 301,389 440 |
Se,2.55 172 272 276 ---- 351 |
Br,2.96 190 ---- 362 201 250 |
Kr,3.00 50 |
| Rb,0.82 45 ---- 163 ---- 490 |
Sr,0.95 84 ---- ---- ----,347 553 |
Y,1.22 | Zr,1.33 | Nb,1.60 | Mo,2.16 | Tc,1.90 | Ru,2.20 | Rh,2.28 | Pd,2.20 | Ag,1.93 | Cd,1.69 |
In,1.78 100 ---- ---- ---- 523 |
Sn,1.80 146 ---- ---- ---- 450 |
Sb,2.05 121 ----,295 ---- ---- 420 |
Te,2.10 126 218 238 ---- 393 |
I,2.66 149 ---- 295 201 278 |
Xe,2.60 84 131 |
| Cs,0.79 44 ---- 176 ---- 502 |
Ba,0.89 44 ---- ---- 467,561 578 |
Lu,1.27 | Hf,1.30 | Ta,1.50 | W,2.36 | Re,1.90 | Os,2.20 | Ir,2.20 | Pt,2.28 | Au,2.54 | Hg,2.00 |
Tl,2.04 ---- ---- ---- ---- 439 |
Pb,2.33 ---- ---- ---- ---- 360 |
Bi,2.02 ---- ----,192 ---- ---- 350 |
Po,2.00 |
At,2.20 116 |
Rn |