All results from a given calculation for CH3CHO (Acetaldehyde)
using model chemistry: CCSD=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 CCSD=FULL/daug-cc-pVTZ
| hartrees |
Energy at 0K | -153.628893 |
Energy at 298.15K | |
HF Energy | -152.977783 |
Nuclear repulsion energy | 70.035130 |
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/daug-cc-pVTZ
Geometric Data calculated at CCSD=FULL/daug-cc-pVTZ
Point Group is C1
Cartesians (Å)
Atom |
x (Å) |
y (Å) |
z (Å) |
C1 |
0.231 |
0.398 |
0.000 |
C2 |
-1.162 |
-0.148 |
0.000 |
O3 |
1.226 |
-0.276 |
0.000 |
H4 |
0.309 |
1.497 |
0.000 |
H5 |
-1.147 |
-1.232 |
-0.000 |
H6 |
-1.694 |
0.221 |
0.877 |
H7 |
-1.694 |
0.221 |
-0.877 |
Atom - Atom Distances (Å)
|
C1 |
C2 |
O3 |
H4 |
H5 |
H6 |
H7 |
C1 | | 1.4962 | 1.2021 | 1.1021 | 2.1344 | 2.1228 | 2.1228 |
C2 | 1.4962 | | 2.3919 | 2.2069 | 1.0848 | 1.0897 | 1.0897 | O3 | 1.2021 | 2.3919 | | 1.9966 | 2.5582 | 3.0894 | 3.0894 | H4 | 1.1021 | 2.2069 | 1.9966 | | 3.0935 | 2.5322 | 2.5322 | H5 | 2.1344 | 1.0848 | 2.5582 | 3.0935 | | 1.7831 | 1.7831 | H6 | 2.1228 | 1.0897 | 3.0894 | 2.5322 | 1.7831 | | 1.7539 | H7 | 2.1228 | 1.0897 | 3.0894 | 2.5322 | 1.7831 | 1.7539 | |
More geometry information
Calculated Bond Angles
atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
C1 |
C2 |
H5 |
110.566 |
|
C1 |
C2 |
H6 |
109.348 |
C1 |
C2 |
H7 |
109.348 |
|
C2 |
C1 |
O3 |
124.501 |
C2 |
C1 |
H4 |
115.449 |
|
O3 |
C1 |
H4 |
120.051 |
H5 |
C2 |
H6 |
110.173 |
|
H5 |
C2 |
H7 |
110.172 |
H6 |
C2 |
H7 |
107.165 |
|
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability