Single Bonds |
ΔHº* |
Single Bonds |
ΔHº* |
Multiple Bonds |
ΔHº* |
||
---|---|---|---|---|---|---|---|
H-H |
104.2 |
B-F |
150 |
C=C |
146 |
||
C-C |
83 |
B-O |
125 |
N=N |
109 |
||
N-N |
38.4 |
C-N |
73 |
O=O |
119 |
||
O-O |
35 |
N-CO |
86 |
C=N |
147 |
||
F-F |
36.6 |
C-O |
85.5 |
C=O (CO2) |
192 |
||
Si-Si |
52 |
O-CO |
110 |
C=O (aldehyde) |
177 |
||
P-P |
50 |
C-S |
65 |
C=O (ketone) |
178 |
||
S-S |
54 |
C-F |
116 |
C=O (ester) |
179 |
||
Cl-Cl |
58 |
C-Cl |
81 |
C=O (amide) |
179 |
||
Br-Br |
46 |
C-Br |
68 |
C=O (halide) |
177 |
||
I-I |
36. |
C-I |
51 |
C=S (CS2) |
138 |
||
H-C |
99 |
C-B |
90 |
N=O (HONO2) |
143 |
||
H-N |
93 |
C-Si |
83 |
P=O (POCl3) |
110 |
||
H-O |
111 |
C-P |
70 |
P=S (PSCl3) |
70 |
||
H-F |
135 |
N-O |
55 |
S=O (SO2) |
128 |
||
H-Cl |
103 |
S-O |
87 |
S=O (DMSO) |
93 |
||
H-Br |
87.5 |
Si-F |
135 |
P=P |
84 |
||
H-I |
71 |
Si-Cl |
90 |
P@P |
117 |
||
H-B |
90 |
Si-O |
110 |
C@O |
258 |
||
H-S |
81 |
P-Cl |
79 |
C@C |
200 |
||
H-Si |
75 |
P-Br |
65 |
N@N |
226 |
||
H-P |
77 |
P-O |
90 |
C@N |
213 |
* In kcal per mole