All results from a given calculation for CH3CH2COOH (Propanoic Acid)
using model chemistry: QCISD(T)/6-31G*
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)/6-31G*
| hartrees |
Energy at 0K | -267.643687 |
Energy at 298.15K | |
HF Energy | -266.842131 |
Nuclear repulsion energy | 177.473761 |
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)/6-31G*
Geometric Data calculated at QCISD(T)/6-31G*
Point Group is Cs
Cartesians (Å)
Atom |
x (Å) |
y (Å) |
z (Å) |
C1 |
0.000 |
0.569 |
0.000 |
C2 |
-0.609 |
-0.815 |
0.000 |
C3 |
0.450 |
-1.915 |
0.000 |
O4 |
-0.964 |
1.535 |
0.000 |
O5 |
1.190 |
0.832 |
0.000 |
H6 |
-1.268 |
-0.887 |
0.878 |
H7 |
-1.268 |
-0.887 |
-0.878 |
H8 |
-0.028 |
-2.903 |
0.000 |
H9 |
1.093 |
-1.838 |
-0.885 |
H10 |
1.093 |
-1.838 |
0.885 |
H11 |
-0.480 |
2.387 |
0.000 |
Atom - Atom Distances (Å)
|
C1 |
C2 |
C3 |
O4 |
O5 |
H6 |
H7 |
H8 |
H9 |
H10 |
H11 |
C1 | | 1.5124 | 2.5253 | 1.3642 | 1.2185 | 2.1211 | 2.1211 | 3.4727 | 2.7876 | 2.7876 | 1.8796 |
C2 | 1.5124 | | 1.5272 | 2.3767 | 2.4387 | 1.1001 | 1.1001 | 2.1672 | 2.1732 | 2.1732 | 3.2045 | C3 | 2.5253 | 1.5272 | | 3.7289 | 2.8449 | 2.1868 | 2.1868 | 1.0976 | 1.0963 | 1.0963 | 4.4016 | O4 | 1.3642 | 2.3767 | 3.7289 | | 2.2656 | 2.5937 | 2.5937 | 4.5356 | 4.0479 | 4.0479 | 0.9798 | O5 | 1.2185 | 2.4387 | 2.8449 | 2.2656 | | 3.1250 | 3.1250 | 3.9285 | 2.8139 | 2.8139 | 2.2816 | H6 | 2.1211 | 1.1001 | 2.1868 | 2.5937 | 3.1250 | | 1.7551 | 2.5246 | 3.0958 | 2.5450 | 3.4796 | H7 | 2.1211 | 1.1001 | 2.1868 | 2.5937 | 3.1250 | 1.7551 | | 2.5246 | 2.5450 | 3.0958 | 3.4796 | H8 | 3.4727 | 2.1672 | 1.0976 | 4.5356 | 3.9285 | 2.5246 | 2.5246 | | 1.7818 | 1.7818 | 5.3092 | H9 | 2.7876 | 2.1732 | 1.0963 | 4.0479 | 2.8139 | 3.0958 | 2.5450 | 1.7818 | | 1.7704 | 4.5935 | H10 | 2.7876 | 2.1732 | 1.0963 | 4.0479 | 2.8139 | 2.5450 | 3.0958 | 1.7818 | 1.7704 | | 4.5935 | H11 | 1.8796 | 3.2045 | 4.4016 | 0.9798 | 2.2816 | 3.4796 | 3.4796 | 5.3092 | 4.5935 | 4.5935 | |
More geometry information
Calculated Bond Angles
atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
C1 |
C2 |
C3 |
112.361 |
|
C1 |
C2 |
H6 |
107.510 |
C1 |
C2 |
H7 |
107.510 |
|
C1 |
O4 |
H11 |
105.440 |
C2 |
C1 |
O4 |
111.318 |
|
C2 |
C1 |
O5 |
126.163 |
C2 |
C3 |
H8 |
110.239 |
|
C2 |
C3 |
H9 |
110.795 |
C2 |
C3 |
H10 |
110.795 |
|
C3 |
C2 |
H6 |
111.648 |
C3 |
C2 |
H7 |
111.648 |
|
O4 |
C1 |
O5 |
122.518 |
H6 |
C2 |
H7 |
105.819 |
|
H8 |
C3 |
H9 |
108.618 |
H8 |
C3 |
H10 |
108.618 |
|
H9 |
C3 |
H10 |
107.693 |
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability