All results from a given calculation for H2OH2CO (water formaldehyde dimer)
using model chemistry: MP3=FULL/6-31+G**
19 10 17 12 22
States and conformations
| State |
Conformation |
minimum conformation |
conformer description |
state description |
| 1 |
1 |
yes |
C1 |
1A |
Energy calculated at MP3=FULL/6-31+G**
| | hartrees |
| Energy at 0K | -190.454509 |
| Energy at 298.15K | |
| HF Energy | -189.911444 |
| Nuclear repulsion energy | 68.767416 |
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 MP3=FULL/6-31+G**
Geometric Data calculated at MP3=FULL/6-31+G**
Point Group is C1
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| H1 |
1.120 |
-0.449 |
-0.126 |
| O2 |
1.880 |
0.140 |
-0.079 |
| O3 |
-0.963 |
-0.678 |
-0.007 |
| H4 |
2.426 |
-0.187 |
0.637 |
| C5 |
-1.318 |
0.480 |
0.020 |
| H6 |
-0.595 |
1.303 |
0.016 |
| H7 |
-2.380 |
0.756 |
0.043 |
Atom - Atom Distances (Å)
| |
H1 |
O2 |
O3 |
H4 |
C5 |
H6 |
H7 |
| H1 | | 0.9628 | 2.0986 | 1.5354 | 2.6134 | 2.4555 | 3.7057 |
O2 | 0.9628 | | 2.9589 | 0.9585 | 3.2180 | 2.7359 | 4.3064 | O3 | 2.0986 | 2.9589 | | 3.4843 | 1.2110 | 2.0146 | 2.0165 | H4 | 1.5354 | 0.9585 | 3.4843 | | 3.8533 | 3.4252 | 4.9341 | C5 | 2.6134 | 3.2180 | 1.2110 | 3.8533 | | 1.0963 | 1.0974 | H6 | 2.4555 | 2.7359 | 2.0146 | 3.4252 | 1.0963 | | 1.8680 | H7 | 3.7057 | 4.3064 | 2.0165 | 4.9341 | 1.0974 | 1.8680 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| H1 |
O2 |
H4 |
106.105 |
|
H1 |
O3 |
C5 |
100.880 |
| O2 |
H1 |
O3 |
147.924 |
|
O3 |
C5 |
H6 |
121.573 |
| O3 |
C5 |
H7 |
121.668 |
|
H6 |
C5 |
H7 |
116.757 |
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability