All results from a given calculation for HCOOC2H5 (Ethyl formate)
using model chemistry: CCSD(T)/6-31G*
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(T)/6-31G*
| | hartrees |
| Energy at 0K | -267.625717 |
| Energy at 298.15K | |
| HF Energy | -266.824839 |
| Nuclear repulsion energy | 176.913920 |
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(T)/6-31G*
Geometric Data calculated at CCSD(T)/6-31G*
Point Group is Cs
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| C1 |
-2.181 |
-0.252 |
0.000 |
| C2 |
-0.697 |
-0.564 |
0.000 |
| O3 |
0.000 |
0.713 |
0.000 |
| C4 |
1.344 |
0.616 |
0.000 |
| O5 |
1.983 |
-0.417 |
0.000 |
| H6 |
-2.758 |
-1.186 |
0.000 |
| H7 |
-2.454 |
0.327 |
0.891 |
| H8 |
-2.454 |
0.327 |
-0.891 |
| H9 |
-0.391 |
-1.132 |
-0.887 |
| H10 |
-0.391 |
-1.132 |
0.887 |
| H11 |
1.783 |
1.627 |
0.000 |
Atom - Atom Distances (Å)
| |
C1 |
C2 |
O3 |
C4 |
O5 |
H6 |
H7 |
H8 |
H9 |
H10 |
H11 |
| C1 | | 1.5162 | 2.3850 | 3.6308 | 4.1677 | 1.0980 | 1.0966 | 1.0966 | 2.1833 | 2.1833 | 4.3869 |
C2 | 1.5162 | | 1.4546 | 2.3582 | 2.6846 | 2.1527 | 2.1613 | 2.1613 | 1.0972 | 1.0972 | 3.3093 | O3 | 2.3850 | 1.4546 | | 1.3478 | 2.2824 | 3.3486 | 2.6388 | 2.6388 | 2.0842 | 2.0842 | 2.0037 | C4 | 3.6308 | 2.3582 | 1.3478 | | 1.2147 | 4.4809 | 3.9118 | 3.9118 | 2.6182 | 2.6182 | 1.1018 | O5 | 4.1677 | 2.6846 | 2.2824 | 1.2147 | | 4.8034 | 4.5862 | 4.5862 | 2.6335 | 2.6335 | 2.0536 | H6 | 1.0980 | 2.1527 | 3.3486 | 4.4809 | 4.8034 | | 1.7819 | 1.7819 | 2.5285 | 2.5285 | 5.3419 | H7 | 1.0966 | 2.1613 | 2.6388 | 3.9118 | 4.5862 | 1.7819 | | 1.7813 | 3.0894 | 2.5267 | 4.5204 | H8 | 1.0966 | 2.1613 | 2.6388 | 3.9118 | 4.5862 | 1.7819 | 1.7813 | | 2.5267 | 3.0894 | 4.5204 | H9 | 2.1833 | 1.0972 | 2.0842 | 2.6182 | 2.6335 | 2.5285 | 3.0894 | 2.5267 | | 1.7741 | 3.6230 | H10 | 2.1833 | 1.0972 | 2.0842 | 2.6182 | 2.6335 | 2.5285 | 2.5267 | 3.0894 | 1.7741 | | 3.6230 | H11 | 4.3869 | 3.3093 | 2.0037 | 1.1018 | 2.0536 | 5.3419 | 4.5204 | 4.5204 | 3.6230 | 3.6230 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| C1 |
C2 |
O3 |
106.778 |
|
C1 |
C2 |
H9 |
112.326 |
| C1 |
C2 |
H10 |
112.326 |
|
C2 |
C1 |
H6 |
109.830 |
| C2 |
C1 |
H7 |
110.598 |
|
C2 |
C1 |
H8 |
110.598 |
| C2 |
O3 |
C4 |
114.537 |
|
O3 |
C2 |
H9 |
108.710 |
| O3 |
C2 |
H10 |
108.710 |
|
O3 |
C4 |
O5 |
125.844 |
| O3 |
C4 |
H11 |
109.351 |
|
O5 |
C4 |
H11 |
124.805 |
| H6 |
C1 |
H7 |
108.568 |
|
H6 |
C1 |
H8 |
108.568 |
| H7 |
C1 |
H8 |
108.622 |
|
H9 |
C2 |
H10 |
107.889 |
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability