All results from a given calculation for C2H4F2 (1,2-difluoroethane)
using model chemistry: CCSD=FULL/daug-cc-pVTZ
19 10 17 12 22
States and conformations
| State |
Conformation |
minimum conformation |
conformer description |
state description |
| 1 |
1 |
yes |
C2H anti |
1Ag |
Energy calculated at CCSD=FULL/daug-cc-pVTZ
| | hartrees |
| Energy at 0K | -277.995369 |
| Energy at 298.15K | |
| HF Energy | -277.040234 |
| Nuclear repulsion energy | 126.331542 |
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 CCSD=FULL/daug-cc-pVTZ
Geometric Data calculated at CCSD=FULL/daug-cc-pVTZ
Point Group is C2h
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| C1 |
0.423 |
0.624 |
0.000 |
| C2 |
-0.423 |
-0.624 |
0.000 |
| F3 |
-0.423 |
1.714 |
0.000 |
| F4 |
0.423 |
-1.714 |
0.000 |
| H5 |
1.047 |
0.668 |
0.890 |
| H6 |
1.047 |
0.668 |
-0.890 |
| H7 |
-1.047 |
-0.668 |
0.890 |
| H8 |
-1.047 |
-0.668 |
-0.890 |
Atom - Atom Distances (Å)
| |
C1 |
C2 |
F3 |
F4 |
H5 |
H6 |
H7 |
H8 |
| C1 | | 1.5076 | 1.3802 | 2.3378 | 1.0873 | 1.0873 | 2.1497 | 2.1497 |
C2 | 1.5076 | | 2.3378 | 1.3802 | 2.1497 | 2.1497 | 1.0873 | 1.0873 | F3 | 1.3802 | 2.3378 | | 3.5310 | 2.0116 | 2.0116 | 2.6181 | 2.6181 | F4 | 2.3378 | 1.3802 | 3.5310 | | 2.6181 | 2.6181 | 2.0116 | 2.0116 | H5 | 1.0873 | 2.1497 | 2.0116 | 2.6181 | | 1.7793 | 2.4836 | 3.0551 | H6 | 1.0873 | 2.1497 | 2.0116 | 2.6181 | 1.7793 | | 3.0551 | 2.4836 | H7 | 2.1497 | 1.0873 | 2.6181 | 2.0116 | 2.4836 | 3.0551 | | 1.7793 | H8 | 2.1497 | 1.0873 | 2.6181 | 2.0116 | 3.0551 | 2.4836 | 1.7793 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| C1 |
C2 |
F4 |
108.025 |
|
C1 |
C2 |
H7 |
110.833 |
| C1 |
C2 |
H8 |
110.833 |
|
C2 |
C1 |
F3 |
108.025 |
| C2 |
C1 |
H5 |
110.833 |
|
C2 |
C1 |
H6 |
110.833 |
| F3 |
C1 |
H5 |
108.635 |
|
F3 |
C1 |
H6 |
108.635 |
| F4 |
C2 |
H7 |
108.635 |
|
F4 |
C2 |
H8 |
108.635 |
| H5 |
C1 |
H6 |
109.807 |
|
H7 |
C2 |
H8 |
109.807 |
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability