All results from a given calculation for HCOOC2H5 (Ethyl formate)
using model chemistry: CCD/6-31+G**
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 CCD/6-31+G**
| | hartrees |
| Energy at 0K | -267.657454 |
| Energy at 298.15K | |
| HF Energy | -266.843540 |
| Nuclear repulsion energy | 177.475354 |
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 CCD/6-31+G**
Geometric Data calculated at CCD/6-31+G**
Point Group is Cs
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| C1 |
-2.180 |
-0.262 |
0.000 |
| C2 |
-0.698 |
-0.568 |
0.000 |
| O3 |
0.000 |
0.700 |
0.000 |
| C4 |
1.339 |
0.624 |
0.000 |
| O5 |
1.989 |
-0.396 |
0.000 |
| H6 |
-2.745 |
-1.194 |
0.000 |
| H7 |
-2.454 |
0.311 |
0.885 |
| H8 |
-2.454 |
0.311 |
-0.885 |
| H9 |
-0.395 |
-1.131 |
-0.883 |
| H10 |
-0.395 |
-1.131 |
0.883 |
| H11 |
1.765 |
1.631 |
0.000 |
Atom - Atom Distances (Å)
| |
C1 |
C2 |
O3 |
C4 |
O5 |
H6 |
H7 |
H8 |
H9 |
H10 |
H11 |
| C1 | | 1.5133 | 2.3827 | 3.6288 | 4.1707 | 1.0906 | 1.0894 | 1.0894 | 2.1725 | 2.1725 | 4.3751 |
C2 | 1.5133 | | 1.4478 | 2.3602 | 2.6922 | 2.1412 | 2.1543 | 2.1543 | 1.0899 | 1.0899 | 3.3014 | O3 | 2.3827 | 1.4478 | | 1.3414 | 2.2708 | 3.3357 | 2.6380 | 2.6380 | 2.0712 | 2.0712 | 1.9950 | C4 | 3.6288 | 2.3602 | 1.3414 | | 1.2089 | 4.4711 | 3.9079 | 3.9079 | 2.6207 | 2.6207 | 1.0930 | O5 | 4.1707 | 2.6922 | 2.2708 | 1.2089 | | 4.8012 | 4.5851 | 4.5851 | 2.6465 | 2.6465 | 2.0386 | H6 | 1.0906 | 2.1412 | 3.3357 | 4.4711 | 4.8012 | | 1.7701 | 1.7701 | 2.5114 | 2.5114 | 5.3219 | H7 | 1.0894 | 2.1543 | 2.6380 | 3.9079 | 4.5851 | 1.7701 | | 1.7706 | 3.0732 | 2.5136 | 4.5085 | H8 | 1.0894 | 2.1543 | 2.6380 | 3.9079 | 4.5851 | 1.7701 | 1.7706 | | 2.5136 | 3.0732 | 4.5085 | H9 | 2.1725 | 1.0899 | 2.0712 | 2.6207 | 2.6465 | 2.5114 | 3.0732 | 2.5136 | | 1.7657 | 3.6156 | H10 | 2.1725 | 1.0899 | 2.0712 | 2.6207 | 2.6465 | 2.5114 | 2.5136 | 3.0732 | 1.7657 | | 3.6156 | H11 | 4.3751 | 3.3014 | 1.9950 | 1.0930 | 2.0386 | 5.3219 | 4.5085 | 4.5085 | 3.6156 | 3.6156 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| C1 |
C2 |
O3 |
107.136 |
|
C1 |
C2 |
H9 |
112.115 |
| C1 |
C2 |
H10 |
112.115 |
|
C2 |
C1 |
H6 |
109.563 |
| C2 |
C1 |
H7 |
110.675 |
|
C2 |
C1 |
H8 |
110.675 |
| C2 |
O3 |
C4 |
115.551 |
|
O3 |
C2 |
H9 |
108.585 |
| O3 |
C2 |
H10 |
108.585 |
|
O3 |
C4 |
O5 |
125.769 |
| O3 |
C4 |
H11 |
109.650 |
|
O5 |
C4 |
H11 |
124.581 |
| H6 |
C1 |
H7 |
108.578 |
|
H6 |
C1 |
H8 |
108.578 |
| H7 |
C1 |
H8 |
108.716 |
|
H9 |
C2 |
H10 |
108.196 |
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability