All results from a given calculation for HCOOC2H5 (Ethyl formate)
using model chemistry: CISD/6-311+G(3df,2p)
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/6-311+G(3df,2p)
| | hartrees |
| Energy at 0K | -267.756408 |
| Energy at 298.15K | |
| HF Energy | -266.929493 |
| Nuclear repulsion energy | 179.760193 |
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/6-311+G(3df,2p)
Geometric Data calculated at CISD/6-311+G(3df,2p)
Point Group is Cs
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| C1 |
-2.158 |
-0.284 |
0.000 |
| C2 |
-0.681 |
-0.570 |
0.000 |
| O3 |
0.000 |
0.681 |
0.000 |
| C4 |
1.315 |
0.632 |
0.000 |
| O5 |
1.971 |
-0.356 |
0.000 |
| H6 |
-2.710 |
-1.215 |
0.000 |
| H7 |
-2.439 |
0.282 |
0.878 |
| H8 |
-2.439 |
0.282 |
-0.878 |
| H9 |
-0.379 |
-1.130 |
-0.874 |
| H10 |
-0.379 |
-1.130 |
0.874 |
| H11 |
1.725 |
1.639 |
0.000 |
Atom - Atom Distances (Å)
| |
C1 |
C2 |
O3 |
C4 |
O5 |
H6 |
H7 |
H8 |
H9 |
H10 |
H11 |
| C1 | | 1.5042 | 2.3640 | 3.5919 | 4.1296 | 1.0822 | 1.0815 | 1.0815 | 2.1555 | 2.1555 | 4.3325 |
C2 | 1.5042 | | 1.4249 | 2.3305 | 2.6610 | 2.1286 | 2.1418 | 2.1418 | 1.0816 | 1.0816 | 3.2662 | O3 | 2.3640 | 1.4249 | | 1.3162 | 2.2272 | 3.3074 | 2.6231 | 2.6231 | 2.0470 | 2.0470 | 1.9726 | C4 | 3.5919 | 2.3305 | 1.3162 | | 1.1855 | 4.4285 | 3.8717 | 3.8717 | 2.5962 | 2.5962 | 1.0871 | O5 | 4.1296 | 2.6610 | 2.2272 | 1.1855 | | 4.7591 | 4.5419 | 4.5419 | 2.6243 | 2.6243 | 2.0099 | H6 | 1.0822 | 2.1286 | 3.3074 | 4.4285 | 4.7591 | | 1.7559 | 1.7559 | 2.4911 | 2.4911 | 5.2733 | H7 | 1.0815 | 2.1418 | 2.6231 | 3.8717 | 4.5419 | 1.7559 | | 1.7556 | 3.0513 | 2.4979 | 4.4666 | H8 | 1.0815 | 2.1418 | 2.6231 | 3.8717 | 4.5419 | 1.7559 | 1.7556 | | 2.4979 | 3.0513 | 4.4666 | H9 | 2.1555 | 1.0816 | 2.0470 | 2.5962 | 2.6243 | 2.4911 | 3.0513 | 2.4979 | | 1.7489 | 3.5859 | H10 | 2.1555 | 1.0816 | 2.0470 | 2.5962 | 2.6243 | 2.4911 | 2.4979 | 3.0513 | 1.7489 | | 3.5859 | H11 | 4.3325 | 3.2662 | 1.9726 | 1.0871 | 2.0099 | 5.2733 | 4.4666 | 4.4666 | 3.5859 | 3.5859 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| C1 |
C2 |
O3 |
107.593 |
|
C1 |
C2 |
H9 |
111.904 |
| C1 |
C2 |
H10 |
111.904 |
|
C2 |
C1 |
H6 |
109.692 |
| C2 |
C1 |
H7 |
110.792 |
|
C2 |
C1 |
H8 |
110.792 |
| C2 |
O3 |
C4 |
116.413 |
|
O3 |
C2 |
H9 |
108.736 |
| O3 |
C2 |
H10 |
108.736 |
|
O3 |
C4 |
O5 |
125.737 |
| O3 |
C4 |
H11 |
109.961 |
|
O5 |
C4 |
H11 |
124.302 |
| H6 |
C1 |
H7 |
108.492 |
|
H6 |
C1 |
H8 |
108.492 |
| H7 |
C1 |
H8 |
108.515 |
|
H9 |
C2 |
H10 |
107.887 |
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability