Average Single Bond Energies (kJ/mol) at 25°C
|
|
H |
C |
N |
O |
S |
F |
Cl |
Br |
I |
Si |
P |
|
H |
432 |
413 |
391 |
467 |
347 |
565 |
427 |
363 |
295 |
323 |
320 |
|
C |
|
347 |
305 |
358 |
259 |
453 |
339 |
276 |
216 |
301 |
264 |
|
N |
|
|
160 |
201 |
----- |
272 |
200 |
243 |
159 |
----- |
209 |
|
O |
|
|
|
204 |
265 |
190 |
203 |
234 |
234 |
368 |
351 |
|
S |
|
|
|
|
266 |
327 |
271 |
218 |
170 |
226 |
----- |
|
F |
|
|
|
|
|
159 |
193 |
212 |
263 |
565 |
490 |
|
Cl |
|
|
|
|
|
|
243 |
215 |
208 |
381 |
331 |
|
Br |
|
|
|
|
|
|
|
193 |
175 |
310 |
272 |
|
I |
|
|
|
|
|
|
|
|
151 |
234 |
184 |
|
Si |
|
|
|
|
|
|
|
|
|
226 |
213 |
|
P |
|
|
|
|
|
|
|
|
|
|
200 |
Average Multiple Bond Energies (kJ/mol) at 25°C
|
|
C |
N |
O |
S |
|
C= |
614 |
615 |
745 |
477 |
|
N= |
|
418 |
607 |
|
|
O= |
|
|
498 |
498 |
|
C |
839 |
891 |
1070 |
|
|
N |
|
945 |
|
|
Back to Chemistry Reference Data
Prepared with the support and help of the North Carolina Department of Public Instruction.