All results from a given calculation for HCOOC2H5 (Ethyl formate)
using model chemistry: CISD/6-311G*
19 10 17 12 22
States and conformations
| State |
Conformation |
minimum conformation |
conformer description |
state description |
| 1 |
1 |
yes |
CS trans |
1A' |
Energy calculated at CISD/6-311G*
| | hartrees |
| Energy at 0K | -267.583376 |
| Energy at 298.15K | |
| HF Energy | -266.890902 |
| Nuclear repulsion energy | 179.093193 |
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 CISD/6-311G*
Geometric Data calculated at CISD/6-311G*
Point Group is Cs
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| C1 |
-2.165 |
-0.276 |
0.000 |
| C2 |
-0.684 |
-0.569 |
0.000 |
| O3 |
0.000 |
0.688 |
0.000 |
| C4 |
1.323 |
0.626 |
0.000 |
| O5 |
1.975 |
-0.368 |
0.000 |
| H6 |
-2.728 |
-1.206 |
0.000 |
| H7 |
-2.444 |
0.295 |
0.881 |
| H8 |
-2.444 |
0.295 |
-0.881 |
| H9 |
-0.381 |
-1.133 |
-0.878 |
| H10 |
-0.381 |
-1.133 |
0.878 |
| H11 |
1.737 |
1.637 |
0.000 |
Atom - Atom Distances (Å)
| |
C1 |
C2 |
O3 |
C4 |
O5 |
H6 |
H7 |
H8 |
H9 |
H10 |
H11 |
| C1 | | 1.5089 | 2.3694 | 3.6021 | 4.1403 | 1.0876 | 1.0865 | 1.0865 | 2.1645 | 2.1645 | 4.3450 |
C2 | 1.5089 | | 1.4310 | 2.3362 | 2.6667 | 2.1406 | 2.1489 | 2.1489 | 1.0864 | 1.0864 | 3.2753 | O3 | 2.3694 | 1.4310 | | 1.3241 | 2.2390 | 3.3210 | 2.6272 | 2.6272 | 2.0569 | 2.0569 | 1.9792 | C4 | 3.6021 | 2.3362 | 1.3241 | | 1.1888 | 4.4460 | 3.8822 | 3.8822 | 2.6018 | 2.6018 | 1.0918 | O5 | 4.1403 | 2.6667 | 2.2390 | 1.1888 | | 4.7769 | 4.5538 | 4.5538 | 2.6281 | 2.6281 | 2.0183 | H6 | 1.0876 | 2.1406 | 3.3210 | 4.4460 | 4.7769 | | 1.7638 | 1.7638 | 2.5066 | 2.5066 | 5.2931 | H7 | 1.0865 | 2.1489 | 2.6272 | 3.8822 | 4.5538 | 1.7638 | | 1.7626 | 3.0637 | 2.5084 | 4.4781 | H8 | 1.0865 | 2.1489 | 2.6272 | 3.8822 | 4.5538 | 1.7638 | 1.7626 | | 2.5084 | 3.0637 | 4.4781 | H9 | 2.1645 | 1.0864 | 2.0569 | 2.6018 | 2.6281 | 2.5066 | 3.0637 | 2.5084 | | 1.7555 | 3.5955 | H10 | 2.1645 | 1.0864 | 2.0569 | 2.6018 | 2.6281 | 2.5066 | 2.5084 | 3.0637 | 1.7555 | | 3.5955 | H11 | 4.3450 | 3.2753 | 1.9792 | 1.0918 | 2.0183 | 5.2931 | 4.4781 | 4.4781 | 3.5955 | 3.5955 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| C1 |
C2 |
O3 |
107.374 |
|
C1 |
C2 |
H9 |
111.995 |
| C1 |
C2 |
H10 |
111.995 |
|
C2 |
C1 |
H6 |
110.004 |
| C2 |
C1 |
H7 |
110.731 |
|
C2 |
C1 |
H8 |
110.731 |
| C2 |
O3 |
C4 |
115.920 |
|
O3 |
C2 |
H9 |
108.808 |
| O3 |
C2 |
H10 |
108.808 |
|
O3 |
C4 |
O5 |
125.913 |
| O3 |
C4 |
H11 |
109.644 |
|
O5 |
C4 |
H11 |
124.443 |
| H6 |
C1 |
H7 |
108.444 |
|
H6 |
C1 |
H8 |
108.444 |
| H7 |
C1 |
H8 |
108.416 |
|
H9 |
C2 |
H10 |
107.785 |
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability