All results from a given calculation for CH3CHO (Acetaldehyde)
using model chemistry: QCISD(T)=FULL/aug-cc-pVTZ
19 10 17 12 22
States and conformations
| State |
Conformation |
minimum conformation |
conformer description |
state description |
| 1 |
1 |
yes |
CS |
1A' |
Energy calculated at QCISD(T)=FULL/aug-cc-pVTZ
| | hartrees |
| Energy at 0K | -153.652213 |
| Energy at 298.15K | |
| HF Energy | -152.976894 |
| Nuclear repulsion energy | 69.797682 |
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-pVTZ
Geometric Data calculated at QCISD(T)=FULL/aug-cc-pVTZ
Point Group is C1
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| C1 |
0.229 |
0.400 |
-0.000 |
| C2 |
-1.165 |
-0.149 |
-0.000 |
| O3 |
1.232 |
-0.276 |
0.000 |
| H4 |
0.303 |
1.501 |
-0.000 |
| H5 |
-1.148 |
-1.236 |
-0.002 |
| H6 |
-1.697 |
0.218 |
0.880 |
| H7 |
-1.698 |
0.221 |
-0.878 |
Atom - Atom Distances (Å)
| |
C1 |
C2 |
O3 |
H4 |
H5 |
H6 |
H7 |
| C1 | | 1.4984 | 1.2095 | 1.1031 | 2.1389 | 2.1256 | 2.1256 |
C2 | 1.4984 | | 2.4002 | 2.2082 | 1.0869 | 1.0917 | 1.0917 | O3 | 1.2095 | 2.4002 | | 2.0053 | 2.5666 | 3.0981 | 3.0991 | H4 | 1.1031 | 2.2082 | 2.0053 | | 3.0977 | 2.5336 | 2.5324 | H5 | 2.1389 | 1.0869 | 2.5666 | 3.0977 | | 1.7866 | 1.7866 | H6 | 2.1256 | 1.0917 | 3.0981 | 2.5336 | 1.7866 | | 1.7572 | H7 | 2.1256 | 1.0917 | 3.0991 | 2.5324 | 1.7866 | 1.7572 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| C1 |
C2 |
H5 |
110.642 |
|
C1 |
C2 |
H6 |
109.295 |
| C1 |
C2 |
H7 |
109.295 |
|
C2 |
C1 |
O3 |
124.496 |
| C2 |
C1 |
H4 |
115.329 |
|
O3 |
C1 |
H4 |
120.175 |
| H5 |
C2 |
H6 |
110.178 |
|
H5 |
C2 |
H7 |
110.178 |
| H6 |
C2 |
H7 |
107.178 |
|
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability