All results from a given calculation for C4H8O2 (Ethyl acetate)
using model chemistry: QCISD/cc-pVTZ
19 10 17 12 22
States and conformations
| State |
Conformation |
minimum conformation |
conformer description |
state description |
| 1 |
1 |
yes |
CS |
1A' |
Energy calculated at QCISD/cc-pVTZ
| | hartrees |
| Energy at 0K | -307.175239 |
| Energy at 298.15K | |
| HF Energy | -305.990175 |
| Nuclear repulsion energy | 244.378011 |
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/cc-pVTZ
Geometric Data calculated at QCISD/cc-pVTZ
Point Group is Cs
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| C1 |
-2.305 |
0.034 |
0.000 |
| C2 |
-0.904 |
-0.513 |
0.000 |
| O3 |
0.000 |
0.483 |
0.000 |
| O4 |
-0.609 |
-1.681 |
0.000 |
| C5 |
1.373 |
0.059 |
0.000 |
| C6 |
2.228 |
1.306 |
0.000 |
| H7 |
-3.015 |
-0.787 |
0.000 |
| H8 |
-2.455 |
0.659 |
0.879 |
| H9 |
-2.455 |
0.659 |
-0.879 |
| H10 |
1.553 |
-0.558 |
0.880 |
| H11 |
1.553 |
-0.558 |
-0.880 |
| H12 |
3.283 |
1.031 |
0.000 |
| H13 |
2.028 |
1.911 |
-0.884 |
| H14 |
2.028 |
1.911 |
0.884 |
Atom - Atom Distances (Å)
| |
C1 |
C2 |
O3 |
O4 |
C5 |
C6 |
H7 |
H8 |
H9 |
H10 |
H11 |
H12 |
H13 |
H14 |
| C1 | | 1.5043 | 2.3487 | 2.4125 | 3.6786 | 4.7083 | 1.0851 | 1.0891 | 1.0891 | 4.0014 | 4.0014 | 5.6761 | 4.8046 | 4.8046 |
C2 | 1.5043 | | 1.3454 | 1.2048 | 2.3481 | 3.6220 | 2.1283 | 2.1336 | 2.1336 | 2.6102 | 2.6102 | 4.4623 | 3.9059 | 3.9059 | O3 | 2.3487 | 1.3454 | | 2.2484 | 1.4370 | 2.3750 | 3.2714 | 2.6134 | 2.6134 | 2.0662 | 2.0662 | 3.3280 | 2.6332 | 2.6332 | O4 | 2.4125 | 1.2048 | 2.2484 | | 2.6378 | 4.1197 | 2.5665 | 3.1079 | 3.1079 | 2.5904 | 2.5904 | 4.7433 | 4.5430 | 4.5430 | C5 | 3.6786 | 2.3481 | 1.4370 | 2.6378 | | 1.5117 | 4.4687 | 3.9732 | 3.9732 | 1.0895 | 1.0895 | 2.1424 | 2.1538 | 2.1538 | C6 | 4.7083 | 3.6220 | 2.3750 | 4.1197 | 1.5117 | | 5.6449 | 4.8081 | 4.8081 | 2.1687 | 2.1687 | 1.0902 | 1.0894 | 1.0894 | H7 | 1.0851 | 2.1283 | 3.2714 | 2.5665 | 4.4687 | 5.6449 | | 1.7829 | 1.7829 | 4.6573 | 4.6573 | 6.5544 | 5.7872 | 5.7872 | H8 | 1.0891 | 2.1336 | 2.6134 | 3.1079 | 3.9732 | 4.8081 | 1.7829 | | 1.7581 | 4.1885 | 4.5428 | 5.8162 | 4.9772 | 4.6545 | H9 | 1.0891 | 2.1336 | 2.6134 | 3.1079 | 3.9732 | 4.8081 | 1.7829 | 1.7581 | | 4.5428 | 4.1885 | 5.8162 | 4.6545 | 4.9772 | H10 | 4.0014 | 2.6102 | 2.0662 | 2.5904 | 1.0895 | 2.1687 | 4.6573 | 4.1885 | 4.5428 | | 1.7596 | 2.5077 | 3.0709 | 2.5139 | H11 | 4.0014 | 2.6102 | 2.0662 | 2.5904 | 1.0895 | 2.1687 | 4.6573 | 4.5428 | 4.1885 | 1.7596 | | 2.5077 | 2.5139 | 3.0709 | H12 | 5.6761 | 4.4623 | 3.3280 | 4.7433 | 2.1424 | 1.0902 | 6.5544 | 5.8162 | 5.8162 | 2.5077 | 2.5077 | | 1.7690 | 1.7690 | H13 | 4.8046 | 3.9059 | 2.6332 | 4.5430 | 2.1538 | 1.0894 | 5.7872 | 4.9772 | 4.6545 | 3.0709 | 2.5139 | 1.7690 | | 1.7680 | H14 | 4.8046 | 3.9059 | 2.6332 | 4.5430 | 2.1538 | 1.0894 | 5.7872 | 4.6545 | 4.9772 | 2.5139 | 3.0709 | 1.7690 | 1.7680 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| C1 |
C2 |
O3 |
110.892 |
|
C1 |
C2 |
O4 |
125.514 |
| C2 |
C1 |
H7 |
109.489 |
|
C2 |
C1 |
H8 |
109.677 |
| C2 |
C1 |
H9 |
109.677 |
|
C2 |
O3 |
C5 |
115.069 |
| O3 |
C2 |
O4 |
123.594 |
|
O3 |
C5 |
C6 |
107.273 |
| O3 |
C5 |
H10 |
108.952 |
|
O3 |
C5 |
H11 |
108.952 |
| C5 |
C6 |
H12 |
109.795 |
|
C5 |
C6 |
H13 |
110.747 |
| C5 |
C6 |
H14 |
110.747 |
|
C6 |
C5 |
H10 |
111.947 |
| C6 |
C5 |
H11 |
111.947 |
|
H7 |
C1 |
H8 |
110.172 |
| H7 |
C1 |
H9 |
110.172 |
|
H8 |
C1 |
H9 |
107.630 |
| H10 |
C5 |
H11 |
107.706 |
|
H12 |
C6 |
H13 |
108.507 |
| H12 |
C6 |
H14 |
108.507 |
|
H13 |
C6 |
H14 |
108.472 |
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability