All results from a given calculation for HCOOC2H5 (Ethyl formate)
using model chemistry: CCSD(T)=FULL/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)=FULL/cc-pVTZ
| | hartrees |
| Energy at 0K | -268.046296 |
| Energy at 298.15K | |
| HF Energy | -266.929720 |
| Nuclear repulsion energy | 178.421164 |
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/cc-pVTZ
Geometric Data calculated at CCSD(T)=FULL/cc-pVTZ
Point Group is Cs
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| C1 |
-2.166 |
-0.261 |
0.000 |
| C2 |
-0.689 |
-0.558 |
0.000 |
| O3 |
0.000 |
0.707 |
0.000 |
| C4 |
1.333 |
0.616 |
0.000 |
| O5 |
1.968 |
-0.405 |
0.000 |
| H6 |
-2.728 |
-1.192 |
0.000 |
| H7 |
-2.441 |
0.310 |
0.883 |
| H8 |
-2.441 |
0.310 |
-0.883 |
| H9 |
-0.387 |
-1.121 |
-0.879 |
| H10 |
-0.387 |
-1.121 |
0.879 |
| H11 |
1.765 |
1.617 |
0.000 |
Atom - Atom Distances (Å)
| |
C1 |
C2 |
O3 |
C4 |
O5 |
H6 |
H7 |
H8 |
H9 |
H10 |
H11 |
| C1 | | 1.5067 | 2.3725 | 3.6072 | 4.1366 | 1.0878 | 1.0870 | 1.0870 | 2.1628 | 2.1628 | 4.3568 |
C2 | 1.5067 | | 1.4410 | 2.3380 | 2.6615 | 2.1359 | 2.1460 | 2.1460 | 1.0866 | 1.0866 | 3.2793 | O3 | 2.3725 | 1.4410 | | 1.3364 | 2.2608 | 3.3246 | 2.6262 | 2.6262 | 2.0655 | 2.0655 | 1.9859 | C4 | 3.6072 | 2.3380 | 1.3364 | | 1.2018 | 4.4458 | 3.8884 | 3.8884 | 2.5975 | 2.5975 | 1.0905 | O5 | 4.1366 | 2.6615 | 2.2608 | 1.2018 | | 4.7623 | 4.5537 | 4.5537 | 2.6138 | 2.6138 | 2.0316 | H6 | 1.0878 | 2.1359 | 3.3246 | 4.4458 | 4.7623 | | 1.7662 | 1.7662 | 2.5024 | 2.5024 | 5.2996 | H7 | 1.0870 | 2.1460 | 2.6262 | 3.8884 | 4.5537 | 1.7662 | | 1.7651 | 3.0618 | 2.5044 | 4.4925 | H8 | 1.0870 | 2.1460 | 2.6262 | 3.8884 | 4.5537 | 1.7662 | 1.7651 | | 2.5044 | 3.0618 | 4.4925 | H9 | 2.1628 | 1.0866 | 2.0655 | 2.5975 | 2.6138 | 2.5024 | 3.0618 | 2.5044 | | 1.7579 | 3.5918 | H10 | 2.1628 | 1.0866 | 2.0655 | 2.5975 | 2.6138 | 2.5024 | 2.5044 | 3.0618 | 1.7579 | | 3.5918 | H11 | 4.3568 | 3.2793 | 1.9859 | 1.0905 | 2.0316 | 5.2996 | 4.4925 | 4.4925 | 3.5918 | 3.5918 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| C1 |
C2 |
O3 |
107.181 |
|
C1 |
C2 |
H9 |
112.008 |
| C1 |
C2 |
H10 |
112.008 |
|
C2 |
C1 |
H6 |
109.773 |
| C2 |
C1 |
H7 |
110.623 |
|
C2 |
C1 |
H8 |
110.623 |
| C2 |
O3 |
C4 |
114.614 |
|
O3 |
C2 |
H9 |
108.794 |
| O3 |
C2 |
H10 |
108.794 |
|
O3 |
C4 |
O5 |
125.841 |
| O3 |
C4 |
H11 |
109.410 |
|
O5 |
C4 |
H11 |
124.749 |
| H6 |
C1 |
H7 |
108.601 |
|
H6 |
C1 |
H8 |
108.601 |
| H7 |
C1 |
H8 |
108.563 |
|
H9 |
C2 |
H10 |
107.973 |
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability