All results from a given calculation for C3H4O2 (Methyl glyoxal)
using model chemistry: QCISD/6-31G(2df,p)
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/6-31G(2df,p)
| hartrees |
Energy at 0K | -266.583110 |
Energy at 298.15K | |
HF Energy | -265.666014 |
Nuclear repulsion energy | 159.964837 |
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/6-31G(2df,p)
Geometric Data calculated at QCISD/6-31G(2df,p)
Point Group is Cs
Cartesians (Å)
Atom |
x (Å) |
y (Å) |
z (Å) |
C1 |
-0.846 |
-0.721 |
0.000 |
C2 |
0.000 |
0.556 |
0.000 |
C3 |
1.495 |
0.373 |
0.000 |
O4 |
-0.365 |
-1.826 |
0.000 |
O5 |
-0.576 |
1.620 |
0.000 |
H6 |
-1.934 |
-0.527 |
0.000 |
H7 |
1.987 |
1.344 |
0.000 |
H8 |
1.795 |
-0.206 |
0.877 |
H9 |
1.795 |
-0.206 |
-0.877 |
Atom - Atom Distances (Å)
|
C1 |
C2 |
C3 |
O4 |
O5 |
H6 |
H7 |
H8 |
H9 |
C1 | | 1.5324 | 2.5840 | 1.2052 | 2.3563 | 1.1053 | 3.5057 | 2.8296 | 2.8296 |
C2 | 1.5324 | | 1.5061 | 2.4107 | 1.2093 | 2.2169 | 2.1371 | 2.1380 | 2.1380 | C3 | 2.5840 | 1.5061 | | 2.8804 | 2.4175 | 3.5451 | 1.0888 | 1.0928 | 1.0928 | O4 | 1.2052 | 2.4107 | 2.8804 | | 3.4524 | 2.0371 | 3.9477 | 2.8387 | 2.8387 | O5 | 2.3563 | 1.2093 | 2.4175 | 3.4524 | | 2.5399 | 2.5777 | 3.1184 | 3.1184 | H6 | 1.1053 | 2.2169 | 3.5451 | 2.0371 | 2.5399 | | 4.3443 | 3.8438 | 3.8438 | H7 | 3.5057 | 2.1371 | 1.0888 | 3.9477 | 2.5777 | 4.3443 | | 1.7917 | 1.7917 | H8 | 2.8296 | 2.1380 | 1.0928 | 2.8387 | 3.1184 | 3.8438 | 1.7917 | | 1.7536 | H9 | 2.8296 | 2.1380 | 1.0928 | 2.8387 | 3.1184 | 3.8438 | 1.7917 | 1.7536 | |
More geometry information
Calculated Bond Angles
atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
C1 |
C2 |
C3 |
116.512 |
|
C1 |
C2 |
O5 |
118.023 |
C2 |
C1 |
O4 |
122.978 |
|
C2 |
C1 |
H6 |
113.391 |
C2 |
C3 |
H7 |
109.845 |
|
C2 |
C3 |
H8 |
109.684 |
C2 |
C3 |
H9 |
109.684 |
|
C3 |
C2 |
O5 |
125.464 |
O4 |
C1 |
H6 |
123.631 |
|
H7 |
C3 |
H8 |
110.432 |
H7 |
C3 |
H9 |
110.432 |
|
H8 |
C3 |
H9 |
106.713 |
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability