All results from a given calculation for C2Br4 (tetrabromoethene)
using model chemistry: QCISD(T)=FULL/cc-pVDZ
19 10 17 12 22
States and conformations
| State |
Conformation |
minimum conformation |
conformer description |
state description |
| 1 |
1 |
yes |
D2H |
1AG |
Energy calculated at QCISD(T)=FULL/cc-pVDZ
| | hartrees |
| Energy at 0K | -10366.099625 |
| Energy at 298.15K | |
| HF Energy | -10365.215128 |
| Nuclear repulsion energy | 1467.270733 |
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 QCISD(T)=FULL/cc-pVDZ
Geometric Data calculated at QCISD(T)=FULL/cc-pVDZ
Point Group is D2h
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| C1 |
0.000 |
0.000 |
0.681 |
| C2 |
0.000 |
0.000 |
-0.681 |
| Br3 |
0.000 |
1.597 |
1.704 |
| Br4 |
0.000 |
-1.597 |
1.704 |
| Br5 |
0.000 |
-1.597 |
-1.704 |
| Br6 |
0.000 |
1.597 |
-1.704 |
Atom - Atom Distances (Å)
| |
C1 |
C2 |
Br3 |
Br4 |
Br5 |
Br6 |
| C1 | | 1.3621 | 1.8962 | 1.8962 | 2.8702 | 2.8702 |
C2 | 1.3621 | | 2.8702 | 2.8702 | 1.8962 | 1.8962 | Br3 | 1.8962 | 2.8702 | | 3.1932 | 4.6704 | 3.4082 | Br4 | 1.8962 | 2.8702 | 3.1932 | | 3.4082 | 4.6704 | Br5 | 2.8702 | 1.8962 | 4.6704 | 3.4082 | | 3.1932 | Br6 | 2.8702 | 1.8962 | 3.4082 | 4.6704 | 3.1932 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| C1 |
C2 |
Br5 |
122.650 |
|
C1 |
C2 |
Br6 |
122.650 |
| C2 |
C1 |
Br3 |
122.650 |
|
C2 |
C1 |
Br4 |
122.650 |
| Br3 |
C1 |
Br4 |
114.700 |
|
Br5 |
C2 |
Br6 |
114.700 |
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability