All results from a given calculation for HCCOH (ethynol)
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 | -152.112505 |
| Energy at 298.15K | |
| HF Energy | -151.668912 |
| Nuclear repulsion energy | 57.914951 |
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 Cs
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| C1 |
0.000 |
0.131 |
0.000 |
| C2 |
-0.319 |
1.292 |
0.000 |
| O3 |
0.184 |
-1.187 |
0.000 |
| H4 |
-0.694 |
2.279 |
0.000 |
| H5 |
1.134 |
-1.326 |
0.000 |
Atom - Atom Distances (Å)
| |
C1 |
C2 |
O3 |
H4 |
H5 |
| C1 | | 1.2037 | 1.3312 | 2.2573 | 1.8463 |
C2 | 1.2037 | | 2.5296 | 1.0562 | 2.9938 | O3 | 1.3312 | 2.5296 | | 3.5759 | 0.9600 | H4 | 2.2573 | 1.0562 | 3.5759 | | 4.0420 | H5 | 1.8463 | 2.9938 | 0.9600 | 4.0420 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| C1 |
C2 |
H4 |
174.532 |
|
C1 |
O3 |
H5 |
106.247 |
| C2 |
C1 |
O3 |
172.594 |
|
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability