All results from a given calculation for C2H5CN (ethyl cyanide)
using model chemistry: QCISD/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/aug-cc-pVTZ
| hartrees |
Energy at 0K | -171.746810 |
Energy at 298.15K | |
HF Energy | -171.023034 |
Nuclear repulsion energy | 102.923786 |
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/aug-cc-pVTZ
Geometric Data calculated at QCISD/aug-cc-pVTZ
Point Group is Cs
Cartesians (Å)
Atom |
x (Å) |
y (Å) |
z (Å) |
C1 |
1.510 |
0.564 |
0.000 |
C2 |
0.000 |
0.818 |
0.000 |
C3 |
-0.768 |
-0.434 |
0.000 |
N4 |
-1.360 |
-1.427 |
0.000 |
H5 |
2.044 |
1.514 |
0.000 |
H6 |
1.807 |
-0.001 |
0.883 |
H7 |
1.807 |
-0.001 |
-0.883 |
H8 |
-0.295 |
1.393 |
0.879 |
H9 |
-0.295 |
1.393 |
-0.879 |
Atom - Atom Distances (Å)
|
C1 |
C2 |
C3 |
N4 |
H5 |
H6 |
H7 |
H8 |
H9 |
C1 | | 1.5314 | 2.4872 | 3.4929 | 1.0897 | 1.0895 | 1.0895 | 2.1725 | 2.1725 |
C2 | 1.5314 | | 1.4690 | 2.6250 | 2.1595 | 2.1715 | 2.1715 | 1.0906 | 1.0906 | C3 | 2.4872 | 1.4690 | | 1.1560 | 3.4210 | 2.7562 | 2.7562 | 2.0815 | 2.0815 | N4 | 3.4929 | 2.6250 | 1.1560 | | 4.4985 | 3.5834 | 3.5834 | 3.1396 | 3.1396 | H5 | 1.0897 | 2.1595 | 3.4210 | 4.4985 | | 1.7694 | 1.7694 | 2.5024 | 2.5024 | H6 | 1.0895 | 2.1715 | 2.7562 | 3.5834 | 1.7694 | | 1.7662 | 2.5225 | 3.0768 | H7 | 1.0895 | 2.1715 | 2.7562 | 3.5834 | 1.7694 | 1.7662 | | 3.0768 | 2.5225 | H8 | 2.1725 | 1.0906 | 2.0815 | 3.1396 | 2.5024 | 2.5225 | 3.0768 | | 1.7571 | H9 | 2.1725 | 1.0906 | 2.0815 | 3.1396 | 2.5024 | 3.0768 | 2.5225 | 1.7571 | |
More geometry information
Calculated Bond Angles
atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
C1 |
C2 |
C3 |
111.962 |
|
C1 |
C2 |
H8 |
110.776 |
C1 |
C2 |
H9 |
110.776 |
|
C2 |
C1 |
H5 |
109.797 |
C2 |
C1 |
H6 |
110.768 |
|
C2 |
C1 |
H7 |
110.768 |
C2 |
C3 |
N4 |
179.267 |
|
C3 |
C2 |
H8 |
107.910 |
C3 |
C2 |
H9 |
107.910 |
|
H5 |
C1 |
H6 |
108.571 |
H5 |
C1 |
H7 |
108.571 |
|
H6 |
C1 |
H7 |
108.300 |
H8 |
C2 |
H9 |
107.325 |
|
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability