All results from a given calculation for CH3OCHO (methyl formate)
using model chemistry: CCSD/aug-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 CCSD/aug-cc-pVTZ
| | hartrees |
| Energy at 0K | -228.709509 |
| Energy at 298.15K | |
| HF Energy | -227.880327 |
| Nuclear repulsion energy | 122.737846 |
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/aug-cc-pVTZ
Geometric Data calculated at CCSD/aug-cc-pVTZ
Point Group is Cs
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| C1 |
1.352 |
0.406 |
0.000 |
| O2 |
0.000 |
0.870 |
0.000 |
| C3 |
-0.924 |
-0.087 |
0.000 |
| O4 |
-0.715 |
-1.268 |
0.000 |
| H5 |
1.973 |
1.296 |
0.000 |
| H6 |
1.548 |
-0.195 |
0.887 |
| H7 |
1.548 |
-0.195 |
-0.887 |
| H8 |
-1.920 |
0.367 |
0.000 |
Atom - Atom Distances (Å)
| |
C1 |
O2 |
C3 |
O4 |
H5 |
H6 |
H7 |
H8 |
| C1 | | 1.4300 | 2.3297 | 2.6595 | 1.0854 | 1.0888 | 1.0888 | 3.2729 |
O2 | 1.4300 | | 1.3308 | 2.2539 | 2.0182 | 2.0779 | 2.0779 | 1.9848 | C3 | 2.3297 | 1.3308 | | 1.1988 | 3.2106 | 2.6293 | 2.6293 | 1.0946 | O4 | 2.6595 | 2.2539 | 1.1988 | | 3.7143 | 2.6569 | 2.6569 | 2.0315 | H5 | 1.0854 | 2.0182 | 3.2106 | 3.7143 | | 1.7861 | 1.7861 | 4.0021 | H6 | 1.0888 | 2.0779 | 2.6293 | 2.6569 | 1.7861 | | 1.7740 | 3.6240 | H7 | 1.0888 | 2.0779 | 2.6293 | 2.6569 | 1.7861 | 1.7740 | | 3.6240 | H8 | 3.2729 | 1.9848 | 1.0946 | 2.0315 | 4.0021 | 3.6240 | 3.6240 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| C1 |
O2 |
C3 |
115.051 |
|
O2 |
C1 |
H5 |
105.890 |
| O2 |
C1 |
H6 |
110.438 |
|
O2 |
C1 |
H7 |
110.438 |
| O2 |
C3 |
O4 |
125.918 |
|
O2 |
C3 |
H8 |
109.451 |
| O4 |
C3 |
H8 |
124.631 |
|
H5 |
C1 |
H6 |
110.472 |
| H5 |
C1 |
H7 |
110.472 |
|
H6 |
C1 |
H7 |
109.105 |
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability