All results from a given calculation for C8H6 (Pentalene)
using model chemistry: CCD/cc-pVTZ
19 10 17 12 22
States and conformations
| State |
Conformation |
minimum conformation |
conformer description |
state description |
| 1 |
1 |
yes |
C2H |
1Ag |
Energy calculated at CCD/cc-pVTZ
| | hartrees |
| Energy at 0K | -307.708876 |
| Energy at 298.15K | |
| HF Energy | -306.445163 |
| Nuclear repulsion energy | 314.888458 |
The energy at 298.15K was derived from the energy at 0K
and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CCD/cc-pVTZ
Geometric Data calculated at CCD/cc-pVTZ
Point Group is C2h
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| C1 |
1.341 |
1.088 |
0.000 |
| C2 |
2.157 |
-0.176 |
0.000 |
| C3 |
1.341 |
-1.248 |
0.000 |
| C4 |
-1.341 |
-1.088 |
0.000 |
| C5 |
-2.157 |
0.176 |
0.000 |
| C6 |
-1.341 |
1.248 |
0.000 |
| C7 |
0.045 |
0.733 |
0.000 |
| C8 |
-0.045 |
-0.733 |
0.000 |
| H9 |
1.764 |
2.081 |
0.000 |
| H10 |
3.235 |
-0.193 |
0.000 |
| H11 |
1.635 |
-2.285 |
0.000 |
| H12 |
-1.764 |
-2.081 |
0.000 |
| H13 |
-3.235 |
0.193 |
0.000 |
| H14 |
-1.635 |
2.285 |
0.000 |
Atom - Atom Distances (Å)
| |
C1 |
C2 |
C3 |
C4 |
C5 |
C6 |
C7 |
C8 |
H9 |
H10 |
H11 |
H12 |
H13 |
H14 |
| C1 | | 1.5043 | 2.3362 | 3.4532 | 3.6143 | 2.6861 | 1.3439 | 2.2880 | 1.0794 | 2.2871 | 3.3854 | 4.4365 | 4.6627 | 3.2074 |
C2 | 1.5043 | | 1.3475 | 3.6143 | 4.3275 | 3.7760 | 2.2993 | 2.2706 | 2.2906 | 1.0789 | 2.1723 | 4.3591 | 5.4046 | 4.5200 | C3 | 2.3362 | 1.3475 | | 2.6861 | 3.7760 | 3.6635 | 2.3675 | 1.4779 | 3.3559 | 2.1687 | 1.0774 | 3.2145 | 4.7976 | 4.6190 | C4 | 3.4532 | 3.6143 | 2.6861 | | 1.5043 | 2.3362 | 2.2880 | 1.3439 | 4.4365 | 4.6627 | 3.2074 | 1.0794 | 2.2871 | 3.3854 | C5 | 3.6143 | 4.3275 | 3.7760 | 1.5043 | | 1.3475 | 2.2706 | 2.2993 | 4.3591 | 5.4046 | 4.5200 | 2.2906 | 1.0789 | 2.1723 | C6 | 2.6861 | 3.7760 | 3.6635 | 2.3362 | 1.3475 | | 1.4779 | 2.3675 | 3.2145 | 4.7976 | 4.6190 | 3.3559 | 2.1687 | 1.0774 | C7 | 1.3439 | 2.2993 | 2.3675 | 2.2880 | 2.2706 | 1.4779 | | 1.4688 | 2.1849 | 3.3225 | 3.4111 | 3.3451 | 3.3240 | 2.2866 | C8 | 2.2880 | 2.2706 | 1.4779 | 1.3439 | 2.2993 | 2.3675 | 1.4688 | | 3.3451 | 3.3240 | 2.2866 | 2.1849 | 3.3225 | 3.4111 | H9 | 1.0794 | 2.2906 | 3.3559 | 4.4365 | 4.3591 | 3.2145 | 2.1849 | 3.3451 | | 2.7083 | 4.3674 | 5.4562 | 5.3441 | 3.4054 | H10 | 2.2871 | 1.0789 | 2.1687 | 4.6627 | 5.4046 | 4.7976 | 3.3225 | 3.3240 | 2.7083 | | 2.6335 | 5.3441 | 6.4822 | 5.4644 | H11 | 3.3854 | 2.1723 | 1.0774 | 3.2074 | 4.5200 | 4.6190 | 3.4111 | 2.2866 | 4.3674 | 2.6335 | | 3.4054 | 5.4644 | 5.6188 | H12 | 4.4365 | 4.3591 | 3.2145 | 1.0794 | 2.2906 | 3.3559 | 3.3451 | 2.1849 | 5.4562 | 5.3441 | 3.4054 | | 2.7083 | 4.3674 | H13 | 4.6627 | 5.4046 | 4.7976 | 2.2871 | 1.0789 | 2.1687 | 3.3240 | 3.3225 | 5.3441 | 6.4822 | 5.4644 | 2.7083 | | 2.6335 | H14 | 3.2074 | 4.5200 | 4.6190 | 3.3854 | 2.1723 | 1.0774 | 2.2866 | 3.4111 | 3.4054 | 5.4644 | 5.6188 | 4.3674 | 2.6335 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| C1 |
C2 |
C3 |
109.887 |
|
C1 |
C2 |
H10 |
123.761 |
| C1 |
C7 |
C6 |
144.284 |
|
C1 |
C7 |
C8 |
108.792 |
| C2 |
C1 |
C7 |
107.531 |
|
C2 |
C1 |
H9 |
124.055 |
| C2 |
C3 |
C8 |
106.866 |
|
C2 |
C3 |
H11 |
126.872 |
| C3 |
C2 |
H10 |
126.352 |
|
C3 |
C8 |
C4 |
144.284 |
| C3 |
C8 |
C7 |
106.924 |
|
C4 |
C5 |
C6 |
109.887 |
| C4 |
C5 |
H13 |
123.761 |
|
C4 |
C8 |
C7 |
108.792 |
| C5 |
C4 |
C8 |
107.531 |
|
C5 |
C4 |
H12 |
124.055 |
| C5 |
C6 |
C7 |
106.866 |
|
C5 |
C6 |
H14 |
126.872 |
| C6 |
C5 |
H13 |
126.352 |
|
C6 |
C7 |
C8 |
106.924 |
| C7 |
C1 |
H9 |
128.413 |
|
C7 |
C6 |
H14 |
126.262 |
| C8 |
C3 |
H11 |
126.262 |
|
C8 |
C4 |
H12 |
128.413 |
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability