All results from a given calculation for CH3CCH (propyne)
using model chemistry: CCD/Def2TZVPP
19 10 17 12 22
States and conformations
| State |
Conformation |
minimum conformation |
conformer description |
state description |
| 1 |
1 |
yes |
C3V |
1A' |
Energy calculated at CCD/Def2TZVPP
| | hartrees |
| Energy at 0K | -116.410459 |
| Energy at 298.15K | |
| HF Energy | -115.912053 |
| Nuclear repulsion energy | 58.740596 |
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 CCD/Def2TZVPP
Geometric Data calculated at CCD/Def2TZVPP
Point Group is C3v
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| C1 |
0.000 |
0.000 |
-1.244 |
| C2 |
0.000 |
0.000 |
0.220 |
| C3 |
0.000 |
0.000 |
1.423 |
| H4 |
0.000 |
0.000 |
2.485 |
| H5 |
0.000 |
1.019 |
-1.627 |
| H6 |
0.883 |
-0.510 |
-1.627 |
| H7 |
-0.883 |
-0.510 |
-1.627 |
Atom - Atom Distances (Å)
| |
C1 |
C2 |
C3 |
H4 |
H5 |
H6 |
H7 |
| C1 | | 1.4639 | 2.6666 | 3.7283 | 1.0889 | 1.0889 | 1.0889 |
C2 | 1.4639 | | 1.2027 | 2.2643 | 2.1096 | 2.1096 | 2.1096 | C3 | 2.6666 | 1.2027 | | 1.0616 | 3.2155 | 3.2155 | 3.2155 | H4 | 3.7283 | 2.2643 | 1.0616 | | 4.2358 | 4.2358 | 4.2358 | H5 | 1.0889 | 2.1096 | 3.2155 | 4.2358 | | 1.7654 | 1.7654 | H6 | 1.0889 | 2.1096 | 3.2155 | 4.2358 | 1.7654 | | 1.7654 | H7 | 1.0889 | 2.1096 | 3.2155 | 4.2358 | 1.7654 | 1.7654 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| C1 |
C2 |
C3 |
180.000 |
|
C2 |
C1 |
H5 |
110.599 |
| C2 |
C1 |
H6 |
110.599 |
|
C2 |
C1 |
H7 |
110.599 |
| C2 |
C3 |
H4 |
180.000 |
|
H5 |
C1 |
H6 |
108.320 |
| H5 |
C1 |
H7 |
108.320 |
|
H6 |
C1 |
H7 |
108.320 |
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability