All results from a given calculation for C2H4F2 (1,2-difluoroethane)
using model chemistry: QCISD(T)=FULL/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 QCISD(T)=FULL/aug-cc-pVQZ
| hartrees |
Energy at 0K | -278.152932 |
Energy at 298.15K | |
HF Energy | -277.057960 |
Nuclear repulsion energy | 126.105688 |
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/aug-cc-pVQZ
Geometric Data calculated at QCISD(T)=FULL/aug-cc-pVQZ
Point Group is C2h
Cartesians (Å)
Atom |
x (Å) |
y (Å) |
z (Å) |
C1 |
0.424 |
0.624 |
0.000 |
C2 |
-0.424 |
-0.624 |
0.000 |
F3 |
-0.424 |
1.717 |
0.000 |
F4 |
0.424 |
-1.717 |
0.000 |
H5 |
1.049 |
0.668 |
0.890 |
H6 |
1.049 |
0.668 |
-0.890 |
H7 |
-1.049 |
-0.668 |
0.890 |
H8 |
-1.049 |
-0.668 |
-0.890 |
Atom - Atom Distances (Å)
|
C1 |
C2 |
F3 |
F4 |
H5 |
H6 |
H7 |
H8 |
C1 | | 1.5096 | 1.3837 | 2.3413 | 1.0880 | 1.0880 | 2.1526 | 2.1526 |
C2 | 1.5096 | | 2.3413 | 1.3837 | 2.1526 | 2.1526 | 1.0880 | 1.0880 | F3 | 1.3837 | 2.3413 | | 3.5376 | 2.0156 | 2.0156 | 2.6216 | 2.6216 | F4 | 2.3413 | 1.3837 | 3.5376 | | 2.6216 | 2.6216 | 2.0156 | 2.0156 | H5 | 1.0880 | 2.1526 | 2.0156 | 2.6216 | | 1.7792 | 2.4881 | 3.0588 | H6 | 1.0880 | 2.1526 | 2.0156 | 2.6216 | 1.7792 | | 3.0588 | 2.4881 | H7 | 2.1526 | 1.0880 | 2.6216 | 2.0156 | 2.4881 | 3.0588 | | 1.7792 | H8 | 2.1526 | 1.0880 | 2.6216 | 2.0156 | 3.0588 | 2.4881 | 1.7792 | |
More geometry information
Calculated Bond Angles
atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
C1 |
C2 |
F4 |
107.961 |
|
C1 |
C2 |
H7 |
110.884 |
C1 |
C2 |
H8 |
110.884 |
|
C2 |
C1 |
F3 |
107.961 |
C2 |
C1 |
H5 |
110.884 |
|
C2 |
C1 |
H6 |
110.884 |
F3 |
C1 |
H5 |
108.674 |
|
F3 |
C1 |
H6 |
108.674 |
F4 |
C2 |
H7 |
108.674 |
|
F4 |
C2 |
H8 |
108.674 |
H5 |
C1 |
H6 |
109.694 |
|
H7 |
C2 |
H8 |
109.694 |
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability