Bond Dissociation Energies, Do298, for X-Y
kJ/mol (kcal/mol)
| X \ Y= |
H |
F |
Cl |
Br |
I |
OH |
NH2 |
CH3 |
CH3CH2- |
CN |
| CH3- |
439 (105) |
452 (108) |
356 (85) |
293 (70) |
238 (57) |
385 (92) |
356 (85) |
377 (90) |
368 (88) |
510 (122) |
| CH3CH2- |
423 (101) |
444 (106) |
335 (80) |
285 (68) |
228 (53) |
380 (91) |
356 (85) |
368 (88) |
|
336 (80) |
| (CH3)2CH- |
409 (98) |
448 (107) |
339 (81) |
274 (65) |
226 (54) |
385 (92) |
|
351(84) |
|
|
| (CH3)3C- |
404 (97) |
|
331 (79) |
263 (63) |
213 (51) |
380 (91) |
|
339 (81) |
|
|
| CH2=CHCH2- |
362 (86.5) |
|
289 (69) |
230 (55) |
172 (41) |
|
|
305 (73) |
|
|
| PhCH2- |
376 (90) |
|
301 (72) |
243 (58) |
201 (48) |
|
|
332 (79) |
|
|
| CH2=CH- |
465 (111) |
|
368 (87) |
|
259 (62) |
|
|
406 (97) |
|
536 (128) |
| Ph- |
473 (113) |
527 (126) |
402 (96) |
337 (80.5) |
274 (65) |
464 (111) |
427 (102) |
|
377 (90) |
|
| CH3O- |
436 (104) |
|
|
|
|
|
|
333 (80) |
|
|
| H- |
435 (104) |
569 (136) |
431 (103) |
368 (88) |
297 (71) |
498 (119) |
449 (107) |
439 (105) |
418 (100) |
543 (130) |
Most data from CRC handbook of Chemistry
and Physics, 85th ed., D. R. Lide, ed., CRC press, Boca Raton, FL, 2004, p
9-65. Uncertainties range from less that 1 kJ/mol to ca. 20 kJ/mol
(5 kcal/mol) and are listed in the CRC handbook.
Additional Bond Dissociation Energies
kJ/mol (kcal/mol)
| Bond |
Do298 |
Bond |
Do298 |
Bond |
Do298 |
Bond |
Do298 |
| F-F |
159 (38) |
tBuO-OtBu |
159 (38) |
HC≡CH |
965 (231) |
(CH3)3Si-H |
378 (90) |
| Cl-Cl |
243 (58) |
O=O |
498 (119) |
HC≡C-H |
556 (133) |
(CH3)3Ge-H |
340 (81) |
| Br-Br |
192 (46) |
OC=O |
732 (175) |
Cl3C-Cl |
392 (94) |
nBu3Sn-H |
308 (74) |
| I-I |
151 (36) |
H2C=O |
732 (175) |
CH3CO-H |
374 (89) |
CH3S-H |
365 (87) |
| HO-OH |
213 (51) |
H2C=CH2 |
728 (174) |
|
|
|
|
Most data from CRC handbook of Chemistry and
Physics, 85th ed., D. R. Lide, ed., CRC press, Boca Raton, FL, 2004, p
9-52. Uncertainties range from less that 1 kJ/mol to ca. 20 kJ/mol
(5 kcal/mol) and are listed in the CRC handbook.