All results from a given calculation for CH3CHO (Acetaldehyde)
using model chemistry: CCSD/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 CCSD/daug-cc-pVTZ
| | hartrees |
| Energy at 0K | -153.574348 |
| Energy at 298.15K | |
| HF Energy | -152.977303 |
| Nuclear repulsion energy | 69.787144 |
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/daug-cc-pVTZ
Geometric Data calculated at CCSD/daug-cc-pVTZ
Point Group is C1
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| C1 |
0.232 |
0.400 |
0.000 |
| C2 |
-1.166 |
-0.148 |
0.000 |
| O3 |
1.230 |
-0.278 |
0.000 |
| H4 |
0.313 |
1.503 |
0.000 |
| H5 |
-1.150 |
-1.235 |
-0.000 |
| H6 |
-1.700 |
0.221 |
0.879 |
| H7 |
-1.700 |
0.221 |
-0.879 |
Atom - Atom Distances (Å)
| |
C1 |
C2 |
O3 |
H4 |
H5 |
H6 |
H7 |
| C1 | | 1.5022 | 1.2069 | 1.1052 | 2.1415 | 2.1303 | 2.1303 |
C2 | 1.5022 | | 2.4003 | 2.2165 | 1.0873 | 1.0923 | 1.0923 | O3 | 1.2069 | 2.4003 | | 2.0030 | 2.5658 | 3.0999 | 3.0999 | H4 | 1.1052 | 2.2165 | 2.0030 | | 3.1042 | 2.5432 | 2.5432 | H5 | 2.1415 | 1.0873 | 2.5658 | 3.1042 | | 1.7874 | 1.7874 | H6 | 2.1303 | 1.0923 | 3.0999 | 2.5432 | 1.7874 | | 1.7574 | H7 | 2.1303 | 1.0923 | 3.0999 | 2.5432 | 1.7874 | 1.7574 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| C1 |
C2 |
H5 |
110.558 |
|
C1 |
C2 |
H6 |
109.371 |
| C1 |
C2 |
H7 |
109.371 |
|
C2 |
C1 |
O3 |
124.390 |
| C2 |
C1 |
H4 |
115.603 |
|
O3 |
C1 |
H4 |
120.006 |
| H5 |
C2 |
H6 |
110.178 |
|
H5 |
C2 |
H7 |
110.178 |
| H6 |
C2 |
H7 |
107.116 |
|
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability