All results from a given calculation for HCOOC2H5 (Ethyl formate)
using model chemistry: QCISD/aug-cc-pVDZ
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 QCISD/aug-cc-pVDZ
| | hartrees |
| Energy at 0K | -267.727904 |
| Energy at 298.15K | |
| HF Energy | -266.863035 |
| Nuclear repulsion energy | 176.498666 |
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 QCISD/aug-cc-pVDZ
Geometric Data calculated at QCISD/aug-cc-pVDZ
Point Group is Cs
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| C1 |
-2.189 |
-0.265 |
0.000 |
| C2 |
-0.697 |
-0.566 |
0.000 |
| O3 |
0.000 |
0.713 |
0.000 |
| C4 |
1.346 |
0.624 |
0.000 |
| O5 |
1.990 |
-0.405 |
0.000 |
| H6 |
-2.754 |
-1.213 |
0.000 |
| H7 |
-2.471 |
0.312 |
0.896 |
| H8 |
-2.471 |
0.312 |
-0.896 |
| H9 |
-0.386 |
-1.134 |
-0.893 |
| H10 |
-0.386 |
-1.134 |
0.893 |
| H11 |
1.784 |
1.639 |
0.000 |
Atom - Atom Distances (Å)
| |
C1 |
C2 |
O3 |
C4 |
O5 |
H6 |
H7 |
H8 |
H9 |
H10 |
H11 |
| C1 | | 1.5221 | 2.3973 | 3.6451 | 4.1804 | 1.1035 | 1.1025 | 1.1025 | 2.1906 | 2.1906 | 4.4054 |
C2 | 1.5221 | | 1.4568 | 2.3645 | 2.6909 | 2.1565 | 2.1731 | 2.1731 | 1.1023 | 1.1023 | 3.3193 | O3 | 2.3973 | 1.4568 | | 1.3494 | 2.2821 | 3.3605 | 2.6589 | 2.6589 | 2.0874 | 2.0874 | 2.0100 | C4 | 3.6451 | 2.3645 | 1.3494 | | 1.2133 | 4.4929 | 3.9336 | 3.9336 | 2.6248 | 2.6248 | 1.1055 | O5 | 4.1804 | 2.6909 | 2.2821 | 1.2133 | | 4.8116 | 4.6057 | 4.6057 | 2.6406 | 2.6406 | 2.0545 | H6 | 1.1035 | 2.1565 | 3.3605 | 4.4929 | 4.8116 | | 1.7909 | 1.7909 | 2.5313 | 2.5313 | 5.3597 | H7 | 1.1025 | 2.1731 | 2.6589 | 3.9336 | 4.6057 | 1.7909 | | 1.7920 | 3.1039 | 2.5367 | 4.5463 | H8 | 1.1025 | 2.1731 | 2.6589 | 3.9336 | 4.6057 | 1.7909 | 1.7920 | | 2.5367 | 3.1039 | 4.5463 | H9 | 2.1906 | 1.1023 | 2.0874 | 2.6248 | 2.6406 | 2.5313 | 3.1039 | 2.5367 | | 1.7853 | 3.6328 | H10 | 2.1906 | 1.1023 | 2.0874 | 2.6248 | 2.6406 | 2.5313 | 2.5367 | 3.1039 | 1.7853 | | 3.6328 | H11 | 4.4054 | 3.3193 | 2.0100 | 1.1055 | 2.0545 | 5.3597 | 4.5463 | 4.5463 | 3.6328 | 3.6328 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| C1 |
C2 |
O3 |
107.153 |
|
C1 |
C2 |
H9 |
112.189 |
| C1 |
C2 |
H10 |
112.189 |
|
C2 |
C1 |
H6 |
109.405 |
| C2 |
C1 |
H7 |
110.773 |
|
C2 |
C1 |
H8 |
110.773 |
| C2 |
O3 |
C4 |
114.776 |
|
O3 |
C2 |
H9 |
108.517 |
| O3 |
C2 |
H10 |
108.517 |
|
O3 |
C4 |
O5 |
125.792 |
| O3 |
C4 |
H11 |
109.522 |
|
O5 |
C4 |
H11 |
124.686 |
| H6 |
C1 |
H7 |
108.555 |
|
H6 |
C1 |
H8 |
108.555 |
| H7 |
C1 |
H8 |
108.719 |
|
H9 |
C2 |
H10 |
108.159 |
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability