All results from a given calculation for C3H4O (Methylketene)
using model chemistry: MP3/6-31+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 MP3/6-31+G**
| | hartrees |
| Energy at 0K | -191.359858 |
| Energy at 298.15K | |
| HF Energy | -190.764543 |
| Nuclear repulsion energy | 102.163573 |
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 MP3/6-31+G**
Geometric Data calculated at MP3/6-31+G**
Point Group is C1
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| C1 |
-0.765 |
0.127 |
-0.000 |
| C2 |
0.476 |
0.575 |
-0.000 |
| C3 |
1.680 |
-0.335 |
0.000 |
| O4 |
-1.865 |
-0.268 |
0.000 |
| H5 |
0.596 |
1.647 |
0.000 |
| H6 |
1.379 |
-1.380 |
-0.000 |
| H7 |
2.297 |
-0.165 |
-0.882 |
| H8 |
2.296 |
-0.166 |
0.882 |
Atom - Atom Distances (Å)
| |
C1 |
C2 |
C3 |
O4 |
H5 |
H6 |
H7 |
H8 |
| C1 | | 1.3191 | 2.4883 | 1.1689 | 2.0399 | 2.6201 | 3.1993 | 3.1990 |
C2 | 1.3191 | | 1.5095 | 2.4880 | 1.0786 | 2.1534 | 2.1542 | 2.1543 | C3 | 2.4883 | 1.5095 | | 3.5459 | 2.2594 | 1.0877 | 1.0891 | 1.0891 | O4 | 1.1689 | 2.4880 | 3.5459 | | 3.1178 | 3.4289 | 4.2553 | 4.2549 | H5 | 2.0399 | 1.0786 | 2.2594 | 3.1178 | | 3.1267 | 2.6375 | 2.6375 | H6 | 2.6201 | 2.1534 | 1.0877 | 3.4289 | 3.1267 | | 1.7593 | 1.7593 | H7 | 3.1993 | 2.1542 | 1.0891 | 4.2553 | 2.6375 | 1.7593 | | 1.7637 | H8 | 3.1990 | 2.1543 | 1.0891 | 4.2549 | 2.6375 | 1.7593 | 1.7637 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| C1 |
C2 |
C3 |
123.063 |
|
C1 |
C2 |
H5 |
116.229 |
| C2 |
C1 |
O4 |
179.875 |
|
C2 |
C3 |
H6 |
110.975 |
| C2 |
C3 |
H7 |
110.957 |
|
C2 |
C3 |
H8 |
110.961 |
| C3 |
C2 |
H5 |
120.707 |
|
H6 |
C3 |
H7 |
107.837 |
| H6 |
C3 |
H8 |
107.838 |
|
H7 |
C3 |
H8 |
108.139 |
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability