All results from a given calculation for HCOOC2H5 (Ethyl formate)
using model chemistry: CCSD/Def2TZVPP
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/Def2TZVPP
| | hartrees |
| Energy at 0K | -267.937300 |
| Energy at 298.15K | |
| HF Energy | -266.940843 |
| Nuclear repulsion energy | 178.312806 |
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/Def2TZVPP
Geometric Data calculated at CCSD/Def2TZVPP
Point Group is Cs
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| C1 |
-2.170 |
-0.270 |
0.000 |
| C2 |
-0.688 |
-0.564 |
0.000 |
| O3 |
0.000 |
0.702 |
0.000 |
| C4 |
1.332 |
0.622 |
0.000 |
| O5 |
1.975 |
-0.389 |
0.000 |
| H6 |
-2.729 |
-1.206 |
0.000 |
| H7 |
-2.450 |
0.300 |
0.884 |
| H8 |
-2.450 |
0.300 |
-0.884 |
| H9 |
-0.383 |
-1.127 |
-0.880 |
| H10 |
-0.383 |
-1.127 |
0.880 |
| H11 |
1.758 |
1.629 |
0.000 |
Atom - Atom Distances (Å)
| |
C1 |
C2 |
O3 |
C4 |
O5 |
H6 |
H7 |
H8 |
H9 |
H10 |
H11 |
| C1 | | 1.5110 | 2.3781 | 3.6140 | 4.1471 | 1.0898 | 1.0890 | 1.0890 | 2.1689 | 2.1689 | 4.3632 |
C2 | 1.5110 | | 1.4406 | 2.3423 | 2.6689 | 2.1396 | 2.1527 | 2.1527 | 1.0888 | 1.0888 | 3.2849 | O3 | 2.3781 | 1.4406 | | 1.3341 | 2.2563 | 3.3298 | 2.6358 | 2.6358 | 2.0656 | 2.0656 | 1.9874 | C4 | 3.6140 | 2.3423 | 1.3341 | | 1.1985 | 4.4534 | 3.8974 | 3.8974 | 2.6029 | 2.6029 | 1.0931 | O5 | 4.1471 | 2.6689 | 2.2563 | 1.1985 | | 4.7746 | 4.5652 | 4.5652 | 2.6229 | 2.6229 | 2.0294 | H6 | 1.0898 | 2.1396 | 3.3298 | 4.4534 | 4.7746 | | 1.7686 | 1.7686 | 2.5072 | 2.5072 | 5.3075 | H7 | 1.0890 | 2.1527 | 2.6358 | 3.8974 | 4.5652 | 1.7686 | | 1.7686 | 3.0701 | 2.5124 | 4.5008 | H8 | 1.0890 | 2.1527 | 2.6358 | 3.8974 | 4.5652 | 1.7686 | 1.7686 | | 2.5124 | 3.0701 | 4.5008 | H9 | 2.1689 | 1.0888 | 2.0656 | 2.6029 | 2.6229 | 2.5072 | 3.0701 | 2.5124 | | 1.7606 | 3.5990 | H10 | 2.1689 | 1.0888 | 2.0656 | 2.6029 | 2.6229 | 2.5072 | 2.5124 | 3.0701 | 1.7606 | | 3.5990 | H11 | 4.3632 | 3.2849 | 1.9874 | 1.0931 | 2.0294 | 5.3075 | 4.5008 | 4.5008 | 3.5990 | 3.5990 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| C1 |
C2 |
O3 |
107.330 |
|
C1 |
C2 |
H9 |
112.058 |
| C1 |
C2 |
H10 |
112.058 |
|
C2 |
C1 |
H6 |
109.650 |
| C2 |
C1 |
H7 |
110.735 |
|
C2 |
C1 |
H8 |
110.735 |
| C2 |
O3 |
C4 |
115.108 |
|
O3 |
C2 |
H9 |
108.701 |
| O3 |
C2 |
H10 |
108.701 |
|
O3 |
C4 |
O5 |
125.887 |
| O3 |
C4 |
H11 |
109.526 |
|
O5 |
C4 |
H11 |
124.587 |
| H6 |
C1 |
H7 |
108.535 |
|
H6 |
C1 |
H8 |
108.535 |
| H7 |
C1 |
H8 |
108.589 |
|
H9 |
C2 |
H10 |
107.903 |
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability