All results from a given calculation for C2H4F2 (1,2-difluoroethane)
using model chemistry: CCSD(T)/aug-cc-pVQZ
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(T)/aug-cc-pVQZ
| | hartrees |
| Energy at 0K | -278.026493 |
| Energy at 298.15K | |
| HF Energy | -277.057631 |
| Nuclear repulsion energy | 125.814638 |
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(T)/aug-cc-pVQZ
Geometric Data calculated at CCSD(T)/aug-cc-pVQZ
Point Group is C2h
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| C1 |
0.426 |
0.626 |
0.000 |
| C2 |
-0.426 |
-0.626 |
0.000 |
| F3 |
-0.426 |
1.721 |
0.000 |
| F4 |
0.426 |
-1.721 |
0.000 |
| H5 |
1.051 |
0.672 |
0.892 |
| H6 |
1.051 |
0.672 |
-0.892 |
| H7 |
-1.051 |
-0.672 |
0.892 |
| H8 |
-1.051 |
-0.672 |
-0.892 |
Atom - Atom Distances (Å)
| |
C1 |
C2 |
F3 |
F4 |
H5 |
H6 |
H7 |
H8 |
| C1 | | 1.5140 | 1.3870 | 2.3464 | 1.0901 | 1.0901 | 2.1589 | 2.1589 |
C2 | 1.5140 | | 2.3464 | 1.3870 | 2.1589 | 2.1589 | 1.0901 | 1.0901 | F3 | 1.3870 | 2.3464 | | 3.5449 | 2.0193 | 2.0193 | 2.6284 | 2.6284 | F4 | 2.3464 | 1.3870 | 3.5449 | | 2.6284 | 2.6284 | 2.0193 | 2.0193 | H5 | 1.0901 | 2.1589 | 2.0193 | 2.6284 | | 1.7831 | 2.4954 | 3.0670 | H6 | 1.0901 | 2.1589 | 2.0193 | 2.6284 | 1.7831 | | 3.0670 | 2.4954 | H7 | 2.1589 | 1.0901 | 2.6284 | 2.0193 | 2.4954 | 3.0670 | | 1.7831 | H8 | 2.1589 | 1.0901 | 2.6284 | 2.0193 | 3.0670 | 2.4954 | 1.7831 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| C1 |
C2 |
F4 |
107.882 |
|
C1 |
C2 |
H7 |
110.952 |
| C1 |
C2 |
H8 |
110.952 |
|
C2 |
C1 |
F3 |
107.882 |
| C2 |
C1 |
H5 |
110.952 |
|
C2 |
C1 |
H6 |
110.952 |
| F3 |
C1 |
H5 |
108.619 |
|
F3 |
C1 |
H6 |
108.619 |
| F4 |
C2 |
H7 |
108.619 |
|
F4 |
C2 |
H8 |
108.619 |
| H5 |
C1 |
H6 |
109.737 |
|
H7 |
C2 |
H8 |
109.737 |
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability