All results from a given calculation for C4H8O2 (Ethyl acetate)
using model chemistry: CCSD(T)=FULL/TZVP
19 10 17 12 22
States and conformations
| State |
Conformation |
minimum conformation |
conformer description |
state description |
| 1 |
1 |
yes |
CS |
1A' |
Energy calculated at CCSD(T)=FULL/TZVP
| | hartrees |
| Energy at 0K | -307.149246 |
| Energy at 298.15K | |
| HF Energy | -305.979470 |
| Nuclear repulsion energy | 243.407357 |
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)=FULL/TZVP
Geometric Data calculated at CCSD(T)=FULL/TZVP
Point Group is Cs
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| C1 |
-2.314 |
0.040 |
0.000 |
| C2 |
-0.911 |
-0.514 |
0.000 |
| O3 |
0.000 |
0.487 |
0.000 |
| O4 |
-0.614 |
-1.688 |
0.000 |
| C5 |
1.380 |
0.058 |
0.000 |
| C6 |
2.239 |
1.305 |
0.000 |
| H7 |
-3.026 |
-0.782 |
0.000 |
| H8 |
-2.462 |
0.664 |
0.883 |
| H9 |
-2.462 |
0.664 |
-0.883 |
| H10 |
1.559 |
-0.558 |
0.884 |
| H11 |
1.559 |
-0.558 |
-0.884 |
| H12 |
3.295 |
1.022 |
0.000 |
| H13 |
2.042 |
1.909 |
-0.888 |
| H14 |
2.042 |
1.909 |
0.888 |
Atom - Atom Distances (Å)
| |
C1 |
C2 |
O3 |
O4 |
C5 |
C6 |
H7 |
H8 |
H9 |
H10 |
H11 |
H12 |
H13 |
H14 |
| C1 | | 1.5084 | 2.3563 | 2.4235 | 3.6935 | 4.7251 | 1.0880 | 1.0915 | 1.0915 | 4.0173 | 4.0173 | 5.6937 | 4.8222 | 4.8222 |
C2 | 1.5084 | | 1.3540 | 1.2102 | 2.3612 | 3.6378 | 2.1315 | 2.1392 | 2.1392 | 2.6239 | 2.6239 | 4.4776 | 3.9221 | 3.9221 | O3 | 2.3563 | 1.3540 | | 2.2602 | 1.4452 | 2.3838 | 3.2811 | 2.6218 | 2.6218 | 2.0751 | 2.0751 | 3.3379 | 2.6421 | 2.6421 | O4 | 2.4235 | 1.2102 | 2.2602 | | 2.6504 | 4.1352 | 2.5755 | 3.1188 | 3.1188 | 2.6043 | 2.6043 | 4.7565 | 4.5589 | 4.5589 | C5 | 3.6935 | 2.3612 | 1.4452 | 2.6504 | | 1.5145 | 4.4849 | 3.9887 | 3.9887 | 1.0924 | 1.0924 | 2.1439 | 2.1573 | 2.1573 | C6 | 4.7251 | 3.6378 | 2.3838 | 4.1352 | 1.5145 | | 5.6634 | 4.8262 | 4.8262 | 2.1716 | 2.1716 | 1.0931 | 1.0917 | 1.0917 | H7 | 1.0880 | 2.1315 | 3.2811 | 2.5755 | 4.4849 | 5.6634 | | 1.7862 | 1.7862 | 4.6746 | 4.6746 | 6.5729 | 5.8064 | 5.8064 | H8 | 1.0915 | 2.1392 | 2.6218 | 3.1188 | 3.9887 | 4.8262 | 1.7862 | | 1.7661 | 4.2032 | 4.5596 | 5.8354 | 4.9976 | 4.6733 | H9 | 1.0915 | 2.1392 | 2.6218 | 3.1188 | 3.9887 | 4.8262 | 1.7862 | 1.7661 | | 4.5596 | 4.2032 | 5.8354 | 4.6733 | 4.9976 | H10 | 4.0173 | 2.6239 | 2.0751 | 2.6043 | 1.0924 | 2.1716 | 4.6746 | 4.2032 | 4.5596 | | 1.7682 | 2.5081 | 3.0758 | 2.5140 | H11 | 4.0173 | 2.6239 | 2.0751 | 2.6043 | 1.0924 | 2.1716 | 4.6746 | 4.5596 | 4.2032 | 1.7682 | | 2.5081 | 2.5140 | 3.0758 | H12 | 5.6937 | 4.4776 | 3.3379 | 4.7565 | 2.1439 | 1.0931 | 6.5729 | 5.8354 | 5.8354 | 2.5081 | 2.5081 | | 1.7732 | 1.7732 | H13 | 4.8222 | 3.9221 | 2.6421 | 4.5589 | 2.1573 | 1.0917 | 5.8064 | 4.9976 | 4.6733 | 3.0758 | 2.5140 | 1.7732 | | 1.7758 | H14 | 4.8222 | 3.9221 | 2.6421 | 4.5589 | 2.1573 | 1.0917 | 5.8064 | 4.6733 | 4.9976 | 2.5140 | 3.0758 | 1.7732 | 1.7758 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| C1 |
C2 |
O3 |
110.700 |
|
C1 |
C2 |
O4 |
125.760 |
| C2 |
C1 |
H7 |
109.294 |
|
C2 |
C1 |
H8 |
109.693 |
| C2 |
C1 |
H9 |
109.693 |
|
C2 |
O3 |
C5 |
114.995 |
| O3 |
C2 |
O4 |
123.540 |
|
O3 |
C5 |
C6 |
107.276 |
| O3 |
C5 |
H10 |
108.924 |
|
O3 |
C5 |
H11 |
108.924 |
| C5 |
C6 |
H12 |
109.538 |
|
C5 |
C6 |
H13 |
110.687 |
| C5 |
C6 |
H14 |
110.687 |
|
C6 |
C5 |
H10 |
111.797 |
| C6 |
C5 |
H11 |
111.797 |
|
H7 |
C1 |
H8 |
110.075 |
| H7 |
C1 |
H9 |
110.075 |
|
H8 |
C1 |
H9 |
107.995 |
| H10 |
C5 |
H11 |
108.057 |
|
H12 |
C6 |
H13 |
108.510 |
| H12 |
C6 |
H14 |
108.510 |
|
H13 |
C6 |
H14 |
108.850 |
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability