All results from a given calculation for HCOOC2H5 (Ethyl formate)
using model chemistry: MP4/TZVP
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 MP4/TZVP
| | hartrees |
| Energy at 0K | -267.823274 |
| Energy at 298.15K | |
| HF Energy | -266.919087 |
| Nuclear repulsion energy | 177.099234 |
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 MP4/TZVP
Geometric Data calculated at MP4/TZVP
Point Group is Cs
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| C1 |
-2.181 |
-0.257 |
0.000 |
| C2 |
-0.698 |
-0.560 |
0.000 |
| O3 |
0.000 |
0.713 |
0.000 |
| C4 |
1.345 |
0.617 |
0.000 |
| O5 |
1.984 |
-0.414 |
0.000 |
| H6 |
-2.744 |
-1.194 |
0.000 |
| H7 |
-2.457 |
0.314 |
0.889 |
| H8 |
-2.457 |
0.314 |
-0.889 |
| H9 |
-0.394 |
-1.125 |
-0.885 |
| H10 |
-0.394 |
-1.125 |
0.885 |
| H11 |
1.776 |
1.626 |
0.000 |
Atom - Atom Distances (Å)
| |
C1 |
C2 |
O3 |
C4 |
O5 |
H6 |
H7 |
H8 |
H9 |
H10 |
H11 |
| C1 | | 1.5142 | 2.3873 | 3.6329 | 4.1683 | 1.0933 | 1.0919 | 1.0919 | 2.1747 | 2.1747 | 4.3824 |
C2 | 1.5142 | | 1.4521 | 2.3576 | 2.6858 | 2.1423 | 2.1564 | 2.1564 | 1.0928 | 1.0928 | 3.3014 | O3 | 2.3873 | 1.4521 | | 1.3486 | 2.2821 | 3.3419 | 2.6430 | 2.6430 | 2.0778 | 2.0778 | 1.9968 | C4 | 3.6329 | 2.3576 | 1.3486 | | 1.2129 | 4.4721 | 3.9162 | 3.9162 | 2.6157 | 2.6157 | 1.0975 | O5 | 4.1683 | 2.6858 | 2.2821 | 1.2129 | | 4.7920 | 4.5874 | 4.5874 | 2.6355 | 2.6355 | 2.0508 | H6 | 1.0933 | 2.1423 | 3.3419 | 4.4721 | 4.7920 | | 1.7744 | 1.7744 | 2.5118 | 2.5118 | 5.3277 | H7 | 1.0919 | 2.1564 | 2.6430 | 3.9162 | 4.5874 | 1.7744 | | 1.7771 | 3.0777 | 2.5151 | 4.5197 | H8 | 1.0919 | 2.1564 | 2.6430 | 3.9162 | 4.5874 | 1.7744 | 1.7771 | | 2.5151 | 3.0777 | 4.5197 | H9 | 2.1747 | 1.0928 | 2.0778 | 2.6157 | 2.6355 | 2.5118 | 3.0777 | 2.5151 | | 1.7706 | 3.6139 | H10 | 2.1747 | 1.0928 | 2.0778 | 2.6157 | 2.6355 | 2.5118 | 2.5151 | 3.0777 | 1.7706 | | 3.6139 | H11 | 4.3824 | 3.3014 | 1.9968 | 1.0975 | 2.0508 | 5.3277 | 4.5197 | 4.5197 | 3.6139 | 3.6139 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| C1 |
C2 |
O3 |
107.163 |
|
C1 |
C2 |
H9 |
112.046 |
| C1 |
C2 |
H10 |
112.046 |
|
C2 |
C1 |
H6 |
109.428 |
| C2 |
C1 |
H7 |
110.628 |
|
C2 |
C1 |
H8 |
110.628 |
| C2 |
O3 |
C4 |
114.606 |
|
O3 |
C2 |
H9 |
108.637 |
| O3 |
C2 |
H10 |
108.637 |
|
O3 |
C4 |
O5 |
125.902 |
| O3 |
C4 |
H11 |
109.009 |
|
O5 |
C4 |
H11 |
125.089 |
| H6 |
C1 |
H7 |
108.589 |
|
H6 |
C1 |
H8 |
108.589 |
| H7 |
C1 |
H8 |
108.929 |
|
H9 |
C2 |
H10 |
108.211 |
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability