All results from a given calculation for HCOOC2H5 (Ethyl formate)
using model chemistry: CCD/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 CCD/6-31G
| | hartrees |
| Energy at 0K | -267.240930 |
| Energy at 298.15K | |
| HF Energy | -266.692272 |
| Nuclear repulsion energy | 173.826013 |
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/6-31G
Geometric Data calculated at CCD/6-31G
Point Group is Cs
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| C1 |
-2.223 |
-0.251 |
0.000 |
| C2 |
-0.733 |
-0.597 |
0.000 |
| O3 |
0.000 |
0.700 |
0.000 |
| C4 |
1.375 |
0.642 |
0.000 |
| O5 |
2.042 |
-0.397 |
0.000 |
| H6 |
-2.822 |
-1.176 |
0.000 |
| H7 |
-2.481 |
0.338 |
0.893 |
| H8 |
-2.481 |
0.338 |
-0.893 |
| H9 |
-0.433 |
-1.168 |
-0.892 |
| H10 |
-0.433 |
-1.168 |
0.892 |
| H11 |
1.793 |
1.656 |
0.000 |
Atom - Atom Distances (Å)
| |
C1 |
C2 |
O3 |
C4 |
O5 |
H6 |
H7 |
H8 |
H9 |
H10 |
H11 |
| C1 | | 1.5297 | 2.4173 | 3.7068 | 4.2677 | 1.1024 | 1.1003 | 1.1003 | 2.2004 | 2.2004 | 4.4455 |
C2 | 1.5297 | | 1.4895 | 2.4451 | 2.7824 | 2.1681 | 2.1745 | 2.1745 | 1.1009 | 1.1009 | 3.3848 | O3 | 2.4173 | 1.4895 | | 1.3763 | 2.3184 | 3.3886 | 2.6617 | 2.6617 | 2.1146 | 2.1146 | 2.0323 | C4 | 3.7068 | 2.4451 | 1.3763 | | 1.2351 | 4.5740 | 3.9699 | 3.9699 | 2.7092 | 2.7092 | 1.0968 | O5 | 4.2677 | 2.7824 | 2.3184 | 1.2351 | | 4.9266 | 4.6691 | 4.6691 | 2.7416 | 2.7416 | 2.0682 | H6 | 1.1024 | 2.1681 | 3.3886 | 4.5740 | 4.9266 | | 1.7902 | 1.7902 | 2.5507 | 2.5507 | 5.4149 | H7 | 1.1003 | 2.1745 | 2.6617 | 3.9699 | 4.6691 | 1.7902 | | 1.7866 | 3.1066 | 2.5423 | 4.5614 | H8 | 1.1003 | 2.1745 | 2.6617 | 3.9699 | 4.6691 | 1.7902 | 1.7866 | | 2.5423 | 3.1066 | 4.5614 | H9 | 2.2004 | 1.1009 | 2.1146 | 2.7092 | 2.7416 | 2.5507 | 3.1066 | 2.5423 | | 1.7843 | 3.7048 | H10 | 2.2004 | 1.1009 | 2.1146 | 2.7092 | 2.7416 | 2.5507 | 2.5423 | 3.1066 | 1.7843 | | 3.7048 | H11 | 4.4455 | 3.3848 | 2.0323 | 1.0968 | 2.0682 | 5.4149 | 4.5614 | 4.5614 | 3.7048 | 3.7048 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| C1 |
C2 |
O3 |
106.375 |
|
C1 |
C2 |
H9 |
112.521 |
| C1 |
C2 |
H10 |
112.521 |
|
C2 |
C1 |
H6 |
109.853 |
| C2 |
C1 |
H7 |
110.477 |
|
C2 |
C1 |
H8 |
110.477 |
| C2 |
O3 |
C4 |
117.064 |
|
O3 |
C2 |
H9 |
108.506 |
| O3 |
C2 |
H10 |
108.506 |
|
O3 |
C4 |
O5 |
125.112 |
| O3 |
C4 |
H11 |
110.012 |
|
O5 |
C4 |
H11 |
124.876 |
| H6 |
C1 |
H7 |
108.718 |
|
H6 |
C1 |
H8 |
108.718 |
| H7 |
C1 |
H8 |
108.551 |
|
H9 |
C2 |
H10 |
108.268 |
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability