All results from a given calculation for CH3COCCH (3-butyn-2-one)
using model chemistry: QCISD(T)/aug-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 QCISD(T)/aug-cc-pVTZ
| | hartrees |
| Energy at 0K | -229.607769 |
| Energy at 298.15K | |
| HF Energy | -228.672063 |
| Nuclear repulsion energy | 142.170005 |
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)/aug-cc-pVTZ
Geometric Data calculated at QCISD(T)/aug-cc-pVTZ
Point Group is Cs
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| C1 |
1.491 |
0.736 |
0.000 |
| C2 |
0.000 |
0.502 |
0.000 |
| O3 |
-0.822 |
1.401 |
0.000 |
| C4 |
-0.417 |
-0.903 |
0.000 |
| C5 |
-0.732 |
-2.076 |
0.000 |
| H6 |
1.692 |
1.807 |
0.000 |
| H7 |
1.934 |
0.265 |
0.881 |
| H8 |
1.934 |
0.265 |
-0.881 |
| H9 |
-1.032 |
-3.098 |
0.000 |
Atom - Atom Distances (Å)
| |
C1 |
C2 |
O3 |
C4 |
C5 |
H6 |
H7 |
H8 |
H9 |
| C1 | | 1.5091 | 2.4062 | 2.5157 | 3.5847 | 1.0889 | 1.0932 | 1.0932 | 4.5897 |
C2 | 1.5091 | | 1.2179 | 1.4659 | 2.6796 | 2.1368 | 2.1384 | 2.1384 | 3.7448 | O3 | 2.4062 | 1.2179 | | 2.3392 | 3.4774 | 2.5468 | 3.1083 | 3.1083 | 4.5035 | C4 | 2.5157 | 1.4659 | 2.3392 | | 1.2140 | 3.4341 | 2.7692 | 2.7692 | 2.2790 | C5 | 3.5847 | 2.6796 | 3.4774 | 1.2140 | | 4.5772 | 3.6555 | 3.6555 | 1.0652 | H6 | 1.0889 | 2.1368 | 2.5468 | 3.4341 | 4.5772 | | 1.7922 | 1.7922 | 5.6102 | H7 | 1.0932 | 2.1384 | 3.1083 | 2.7692 | 3.6555 | 1.7922 | | 1.7620 | 4.5693 | H8 | 1.0932 | 2.1384 | 3.1083 | 2.7692 | 3.6555 | 1.7922 | 1.7620 | | 4.5693 | H9 | 4.5897 | 3.7448 | 4.5035 | 2.2790 | 1.0652 | 5.6102 | 4.5693 | 4.5693 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| C1 |
C2 |
O3 |
123.510 |
|
C1 |
C2 |
C4 |
115.473 |
| C2 |
C1 |
H6 |
109.606 |
|
C2 |
C1 |
H7 |
109.479 |
| C2 |
C1 |
H8 |
109.479 |
|
C2 |
C4 |
C5 |
178.513 |
| O3 |
C2 |
C4 |
121.017 |
|
C4 |
C5 |
H9 |
178.730 |
| H6 |
C1 |
H7 |
110.426 |
|
H6 |
C1 |
H8 |
110.426 |
| H7 |
C1 |
H8 |
107.390 |
|
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability