All results from a given calculation for C3H4O (Methylketene)
using model chemistry: MP2/6-31+G**
19 10 17 12 22
States and conformations
| State |
Conformation |
minimum conformation |
conformer description |
state description |
| 1 |
1 |
yes |
CS |
1A' |
Energy calculated at MP2/6-31+G**
| | hartrees |
| Energy at 0K | -191.355268 |
| Energy at 298.15K | |
| HF Energy | -190.767606 |
| Nuclear repulsion energy | 101.668302 |
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 MP2/6-31+G**
Geometric Data calculated at MP2/6-31+G**
Point Group is Cs
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| C1 |
-0.673 |
-0.388 |
0.000 |
| C2 |
0.000 |
0.753 |
0.000 |
| C3 |
1.508 |
0.820 |
0.000 |
| O4 |
-1.264 |
-1.409 |
0.000 |
| H5 |
-0.594 |
1.657 |
0.000 |
| H6 |
1.942 |
-0.179 |
0.000 |
| H7 |
1.875 |
1.343 |
0.883 |
| H8 |
1.875 |
1.343 |
-0.883 |
Atom - Atom Distances (Å)
| |
C1 |
C2 |
C3 |
O4 |
H5 |
H6 |
H7 |
H8 |
| C1 | | 1.3251 | 2.4939 | 1.1789 | 2.0465 | 2.6238 | 3.2051 | 3.2051 |
C2 | 1.3251 | | 1.5098 | 2.5040 | 1.0811 | 2.1542 | 2.1551 | 2.1551 | C3 | 2.4939 | 1.5098 | | 3.5568 | 2.2622 | 1.0892 | 1.0901 | 1.0901 | O4 | 1.1789 | 2.5040 | 3.5568 | | 3.1377 | 3.4336 | 4.2667 | 4.2667 | H5 | 2.0465 | 1.0811 | 2.2622 | 3.1377 | | 3.1304 | 2.6405 | 2.6405 | H6 | 2.6238 | 2.1542 | 1.0892 | 3.4336 | 3.1304 | | 1.7612 | 1.7612 | H7 | 3.2051 | 2.1551 | 1.0901 | 4.2667 | 2.6405 | 1.7612 | | 1.7664 | H8 | 3.2051 | 2.1551 | 1.0901 | 4.2667 | 2.6405 | 1.7612 | 1.7664 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| C1 |
C2 |
C3 |
123.081 |
|
C1 |
C2 |
H5 |
116.165 |
| C2 |
C1 |
O4 |
179.518 |
|
C2 |
C3 |
H6 |
110.930 |
| C2 |
C3 |
H7 |
110.945 |
|
C2 |
C3 |
H8 |
110.945 |
| C3 |
C2 |
H5 |
120.754 |
|
H6 |
C3 |
H7 |
107.829 |
| H6 |
C3 |
H8 |
107.829 |
|
H7 |
C3 |
H8 |
108.232 |
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability