All results from a given calculation for HCOOC2H5 (Ethyl formate)
using model chemistry: CCSD/aug-cc-pVTZ
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/aug-cc-pVTZ
| | hartrees |
| Energy at 0K | -267.948816 |
| Energy at 298.15K | |
| HF Energy | -266.933475 |
| Nuclear repulsion energy | 178.197016 |
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/aug-cc-pVTZ
Geometric Data calculated at CCSD/aug-cc-pVTZ
Point Group is Cs
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| C1 |
-2.171 |
-0.270 |
0.000 |
| C2 |
-0.689 |
-0.565 |
0.000 |
| O3 |
0.000 |
0.703 |
0.000 |
| C4 |
1.332 |
0.623 |
0.000 |
| O5 |
1.975 |
-0.390 |
0.000 |
| H6 |
-2.730 |
-1.206 |
0.000 |
| H7 |
-2.451 |
0.301 |
0.885 |
| H8 |
-2.451 |
0.301 |
-0.885 |
| H9 |
-0.382 |
-1.127 |
-0.882 |
| H10 |
-0.382 |
-1.127 |
0.882 |
| H11 |
1.759 |
1.630 |
0.000 |
Atom - Atom Distances (Å)
| |
C1 |
C2 |
O3 |
C4 |
O5 |
H6 |
H7 |
H8 |
H9 |
H10 |
H11 |
| C1 | | 1.5113 | 2.3788 | 3.6151 | 4.1480 | 1.0906 | 1.0898 | 1.0898 | 2.1707 | 2.1707 | 4.3655 |
C2 | 1.5113 | | 1.4424 | 2.3442 | 2.6697 | 2.1398 | 2.1538 | 2.1538 | 1.0899 | 1.0899 | 3.2879 | O3 | 2.3788 | 1.4424 | | 1.3345 | 2.2574 | 3.3312 | 2.6366 | 2.6366 | 2.0668 | 2.0668 | 1.9889 | C4 | 3.6151 | 2.3442 | 1.3345 | | 1.2003 | 4.4552 | 3.8985 | 3.8985 | 2.6039 | 2.6039 | 1.0936 | O5 | 4.1480 | 2.6697 | 2.2574 | 1.2003 | | 4.7757 | 4.5665 | 4.5665 | 2.6227 | 2.6227 | 2.0316 | H6 | 1.0906 | 2.1398 | 3.3312 | 4.4552 | 4.7757 | | 1.7701 | 1.7701 | 2.5093 | 2.5093 | 5.3104 | H7 | 1.0898 | 2.1538 | 2.6366 | 3.8985 | 4.5665 | 1.7701 | | 1.7701 | 3.0727 | 2.5139 | 4.5029 | H8 | 1.0898 | 2.1538 | 2.6366 | 3.8985 | 4.5665 | 1.7701 | 1.7701 | | 2.5139 | 3.0727 | 4.5029 | H9 | 2.1707 | 1.0899 | 2.0668 | 2.6039 | 2.6227 | 2.5093 | 3.0727 | 2.5139 | | 1.7638 | 3.6008 | H10 | 2.1707 | 1.0899 | 2.0668 | 2.6039 | 2.6227 | 2.5093 | 2.5139 | 3.0727 | 1.7638 | | 3.6008 | H11 | 4.3655 | 3.2879 | 1.9889 | 1.0936 | 2.0316 | 5.3104 | 4.5029 | 4.5029 | 3.6008 | 3.6008 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| C1 |
C2 |
O3 |
107.267 |
|
C1 |
C2 |
H9 |
112.115 |
| C1 |
C2 |
H10 |
112.115 |
|
C2 |
C1 |
H6 |
109.593 |
| C2 |
C1 |
H7 |
110.746 |
|
C2 |
C1 |
H8 |
110.746 |
| C2 |
O3 |
C4 |
115.109 |
|
O3 |
C2 |
H9 |
108.607 |
| O3 |
C2 |
H10 |
108.607 |
|
O3 |
C4 |
O5 |
125.812 |
| O3 |
C4 |
H11 |
109.590 |
|
O5 |
C4 |
H11 |
124.598 |
| H6 |
C1 |
H7 |
108.549 |
|
H6 |
C1 |
H8 |
108.549 |
| H7 |
C1 |
H8 |
108.598 |
|
H9 |
C2 |
H10 |
108.028 |
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability