All results from a given calculation for HCOOC2H5 (Ethyl formate)
using model chemistry: CCSD(T)/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(T)/cc-pVTZ
| | hartrees |
| Energy at 0K | -267.970600 |
| Energy at 298.15K | |
| HF Energy | -266.928792 |
| Nuclear repulsion energy | 177.810030 |
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)/cc-pVTZ
Geometric Data calculated at CCSD(T)/cc-pVTZ
Point Group is Cs
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| C1 |
-2.173 |
-0.263 |
0.000 |
| C2 |
-0.690 |
-0.560 |
0.000 |
| O3 |
0.000 |
0.711 |
0.000 |
| C4 |
1.338 |
0.617 |
0.000 |
| O5 |
1.974 |
-0.406 |
0.000 |
| H6 |
-2.737 |
-1.198 |
0.000 |
| H7 |
-2.452 |
0.310 |
0.886 |
| H8 |
-2.452 |
0.310 |
-0.886 |
| H9 |
-0.384 |
-1.125 |
-0.882 |
| H10 |
-0.384 |
-1.125 |
0.882 |
| H11 |
1.771 |
1.624 |
0.000 |
Atom - Atom Distances (Å)
| |
C1 |
C2 |
O3 |
C4 |
O5 |
H6 |
H7 |
H8 |
H9 |
H10 |
H11 |
| C1 | | 1.5130 | 2.3816 | 3.6199 | 4.1500 | 1.0915 | 1.0907 | 1.0907 | 2.1734 | 2.1734 | 4.3724 |
C2 | 1.5130 | | 1.4465 | 2.3451 | 2.6686 | 2.1437 | 2.1553 | 2.1553 | 1.0910 | 1.0910 | 3.2905 | O3 | 2.3816 | 1.4465 | | 1.3410 | 2.2680 | 3.3366 | 2.6374 | 2.6374 | 2.0725 | 2.0725 | 1.9925 | C4 | 3.6199 | 2.3451 | 1.3410 | | 1.2050 | 4.4606 | 3.9037 | 3.9037 | 2.6034 | 2.6034 | 1.0955 | O5 | 4.1500 | 2.6686 | 2.2680 | 1.2050 | | 4.7770 | 4.5699 | 4.5699 | 2.6183 | 2.6183 | 2.0395 | H6 | 1.0915 | 2.1437 | 3.3366 | 4.4606 | 4.7770 | | 1.7715 | 1.7715 | 2.5138 | 2.5138 | 5.3180 | H7 | 1.0907 | 2.1553 | 2.6374 | 3.9037 | 4.5699 | 1.7715 | | 1.7710 | 3.0755 | 2.5168 | 4.5102 | H8 | 1.0907 | 2.1553 | 2.6374 | 3.9037 | 4.5699 | 1.7715 | 1.7710 | | 2.5168 | 3.0755 | 4.5102 | H9 | 2.1734 | 1.0910 | 2.0725 | 2.6034 | 2.6183 | 2.5138 | 3.0755 | 2.5168 | | 1.7641 | 3.6023 | H10 | 2.1734 | 1.0910 | 2.0725 | 2.6034 | 2.6183 | 2.5138 | 2.5168 | 3.0755 | 1.7641 | | 3.6023 | H11 | 4.3724 | 3.2905 | 1.9925 | 1.0955 | 2.0395 | 5.3180 | 4.5102 | 4.5102 | 3.6023 | 3.6023 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| C1 |
C2 |
O3 |
107.146 |
|
C1 |
C2 |
H9 |
112.139 |
| C1 |
C2 |
H10 |
112.139 |
|
C2 |
C1 |
H6 |
109.727 |
| C2 |
C1 |
H7 |
110.699 |
|
C2 |
C1 |
H8 |
110.699 |
| C2 |
O3 |
C4 |
114.500 |
|
O3 |
C2 |
H9 |
108.712 |
| O3 |
C2 |
H10 |
108.712 |
|
O3 |
C4 |
O5 |
125.871 |
| O3 |
C4 |
H11 |
109.308 |
|
O5 |
C4 |
H11 |
124.821 |
| H6 |
C1 |
H7 |
108.545 |
|
H6 |
C1 |
H8 |
108.545 |
| H7 |
C1 |
H8 |
108.567 |
|
H9 |
C2 |
H10 |
107.898 |
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability