All results from a given calculation for HCOOC2H5 (Ethyl formate)
using model chemistry: CCSD/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 CCSD/6-311+G(3df,2p)
| | hartrees |
| Energy at 0K | -267.924806 |
| Energy at 298.15K | |
| HF Energy | -266.927868 |
| Nuclear repulsion energy | 178.368149 |
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 CCSD/6-311+G(3df,2p)
Geometric Data calculated at CCSD/6-311+G(3df,2p)
Point Group is Cs
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| C1 |
-2.170 |
-0.271 |
0.000 |
| C2 |
-0.688 |
-0.567 |
0.000 |
| O3 |
0.000 |
0.697 |
0.000 |
| C4 |
1.330 |
0.624 |
0.000 |
| O5 |
1.977 |
-0.383 |
0.000 |
| H6 |
-2.731 |
-1.206 |
0.000 |
| H7 |
-2.450 |
0.301 |
0.885 |
| H8 |
-2.450 |
0.301 |
-0.885 |
| H9 |
-0.382 |
-1.130 |
-0.882 |
| H10 |
-0.382 |
-1.130 |
0.882 |
| H11 |
1.753 |
1.634 |
0.000 |
Atom - Atom Distances (Å)
| |
C1 |
C2 |
O3 |
C4 |
O5 |
H6 |
H7 |
H8 |
H9 |
H10 |
H11 |
| C1 | | 1.5118 | 2.3762 | 3.6127 | 4.1484 | 1.0906 | 1.0898 | 1.0898 | 2.1711 | 2.1711 | 4.3613 |
C2 | 1.5118 | | 1.4389 | 2.3431 | 2.6707 | 2.1411 | 2.1544 | 2.1544 | 1.0903 | 1.0903 | 3.2867 | O3 | 2.3762 | 1.4389 | | 1.3318 | 2.2526 | 3.3288 | 2.6349 | 2.6349 | 2.0648 | 2.0648 | 1.9878 | C4 | 3.6127 | 2.3431 | 1.3318 | | 1.1975 | 4.4546 | 3.8956 | 3.8956 | 2.6055 | 2.6055 | 1.0947 | O5 | 4.1484 | 2.6707 | 2.2526 | 1.1975 | | 4.7792 | 4.5658 | 4.5658 | 2.6267 | 2.6267 | 2.0298 | H6 | 1.0906 | 2.1411 | 3.3288 | 4.4546 | 4.7792 | | 1.7697 | 1.7697 | 2.5103 | 2.5103 | 5.3081 | H7 | 1.0898 | 2.1544 | 2.6349 | 3.8956 | 4.5658 | 1.7697 | | 1.7696 | 3.0733 | 2.5148 | 4.4975 | H8 | 1.0898 | 2.1544 | 2.6349 | 3.8956 | 4.5658 | 1.7697 | 1.7696 | | 2.5148 | 3.0733 | 4.4975 | H9 | 2.1711 | 1.0903 | 2.0648 | 2.6055 | 2.6267 | 2.5103 | 3.0733 | 2.5148 | | 1.7637 | 3.6028 | H10 | 2.1711 | 1.0903 | 2.0648 | 2.6055 | 2.6267 | 2.5103 | 2.5148 | 3.0733 | 1.7637 | | 3.6028 | H11 | 4.3613 | 3.2867 | 1.9878 | 1.0947 | 2.0298 | 5.3081 | 4.4975 | 4.4975 | 3.6028 | 3.6028 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| C1 |
C2 |
O3 |
107.255 |
|
C1 |
C2 |
H9 |
112.093 |
| C1 |
C2 |
H10 |
112.093 |
|
C2 |
C1 |
H6 |
109.663 |
| C2 |
C1 |
H7 |
110.764 |
|
C2 |
C1 |
H8 |
110.764 |
| C2 |
O3 |
C4 |
115.429 |
|
O3 |
C2 |
H9 |
108.670 |
| O3 |
C2 |
H10 |
108.670 |
|
O3 |
C4 |
O5 |
125.813 |
| O3 |
C4 |
H11 |
109.623 |
|
O5 |
C4 |
H11 |
124.564 |
| H6 |
C1 |
H7 |
108.514 |
|
H6 |
C1 |
H8 |
108.514 |
| H7 |
C1 |
H8 |
108.559 |
|
H9 |
C2 |
H10 |
107.964 |
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability