All results from a given calculation for CH3CHO (Acetaldehyde)
using model chemistry: QCISD(T)=FULL/daug-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/daug-cc-pVTZ
| | hartrees |
| Energy at 0K | -153.655423 |
| Energy at 298.15K | |
| HF Energy | -152.977120 |
| Nuclear repulsion energy | 69.790256 |
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/daug-cc-pVTZ
Geometric Data calculated at QCISD(T)=FULL/daug-cc-pVTZ
Point Group is C1
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| C1 |
0.230 |
0.400 |
0.000 |
| C2 |
-1.165 |
-0.149 |
0.000 |
| O3 |
1.232 |
-0.277 |
-0.000 |
| H4 |
0.304 |
1.503 |
0.000 |
| H5 |
-1.147 |
-1.236 |
0.000 |
| H6 |
-1.698 |
0.220 |
0.878 |
| H7 |
-1.698 |
0.219 |
-0.879 |
Atom - Atom Distances (Å)
| |
C1 |
C2 |
O3 |
H4 |
H5 |
H6 |
H7 |
| C1 | | 1.4991 | 1.2092 | 1.1052 | 2.1383 | 2.1262 | 2.1262 |
C2 | 1.4991 | | 2.4001 | 2.2113 | 1.0868 | 1.0917 | 1.0917 | O3 | 1.2092 | 2.4001 | | 2.0066 | 2.5647 | 3.0986 | 3.0984 | H4 | 1.1052 | 2.2113 | 2.0066 | | 3.0998 | 2.5355 | 2.5358 | H5 | 2.1383 | 1.0868 | 2.5647 | 3.0998 | | 1.7871 | 1.7871 | H6 | 2.1262 | 1.0917 | 3.0986 | 2.5355 | 1.7871 | | 1.7571 | H7 | 2.1262 | 1.0917 | 3.0984 | 2.5358 | 1.7871 | 1.7571 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| C1 |
C2 |
H5 |
110.549 |
|
C1 |
C2 |
H6 |
109.290 |
| C1 |
C2 |
H7 |
109.290 |
|
C2 |
C1 |
O3 |
124.449 |
| C2 |
C1 |
H4 |
115.392 |
|
O3 |
C1 |
H4 |
120.159 |
| H5 |
C2 |
H6 |
110.236 |
|
H5 |
C2 |
H7 |
110.236 |
| H6 |
C2 |
H7 |
107.170 |
|
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability