All results from a given calculation for CH3CHO (Acetaldehyde)
using model chemistry: CCSD=FULL/cc-pVQZ
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=FULL/cc-pVQZ
| | hartrees |
| Energy at 0K | -153.695984 |
| Energy at 298.15K | |
| HF Energy | -152.986846 |
| Nuclear repulsion energy | 70.126162 |
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=FULL/cc-pVQZ
Geometric Data calculated at CCSD=FULL/cc-pVQZ
Point Group is Cs
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| C1 |
0.000 |
0.461 |
0.000 |
| C2 |
-0.929 |
-0.711 |
0.000 |
| O3 |
1.197 |
0.377 |
0.000 |
| H4 |
-0.485 |
1.450 |
0.000 |
| H5 |
-0.370 |
-1.639 |
0.000 |
| H6 |
-1.573 |
-0.663 |
0.875 |
| H7 |
-1.573 |
-0.663 |
-0.875 |
Atom - Atom Distances (Å)
| |
C1 |
C2 |
O3 |
H4 |
H5 |
H6 |
H7 |
| C1 | | 1.4955 | 1.1998 | 1.1016 | 2.1321 | 2.1224 | 2.1224 |
C2 | 1.4955 | | 2.3883 | 2.2063 | 1.0832 | 1.0879 | 1.0879 | O3 | 1.1998 | 2.3883 | | 1.9947 | 2.5534 | 3.0860 | 3.0860 | H4 | 1.1016 | 2.2063 | 1.9947 | | 3.0910 | 2.5327 | 2.5327 | H5 | 2.1321 | 1.0832 | 2.5534 | 3.0910 | | 1.7796 | 1.7796 | H6 | 2.1224 | 1.0879 | 3.0860 | 2.5327 | 1.7796 | | 1.7499 | H7 | 2.1224 | 1.0879 | 3.0860 | 2.5327 | 1.7796 | 1.7499 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| C1 |
C2 |
H5 |
110.524 |
|
C1 |
C2 |
H6 |
109.468 |
| C1 |
C2 |
H7 |
109.468 |
|
C2 |
C1 |
O3 |
124.413 |
| C2 |
C1 |
H4 |
115.480 |
|
O3 |
C1 |
H4 |
120.107 |
| H5 |
C2 |
H6 |
110.115 |
|
H5 |
C2 |
H7 |
110.115 |
| H6 |
C2 |
H7 |
107.085 |
|
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability