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All results from a given calculation for C3H4O2 (Methyl glyoxal)

using model chemistry: MP4=FULL/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 MP4=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-266.857894
Energy at 298.15K 
HF Energy-265.740146
Nuclear repulsion energy159.928428
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 MP4=FULL/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at MP4=FULL/aug-cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.835 -0.724 0.000
C2 0.000 0.551 0.000
C3 1.486 0.390 0.000
O4 -0.347 -1.836 0.000
O5 -0.594 1.616 0.000
H6 -1.920 -0.540 0.000
H7 1.965 1.365 0.000
H8 1.789 -0.187 0.875
H9 1.789 -0.187 -0.875

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9
C11.52422.57391.21372.35291.10073.49312.81702.8170
C21.52421.49442.41211.21942.20822.12682.12352.1235
C32.57391.49442.88332.41413.53011.08631.09071.0907
O41.21372.41212.88333.46092.03763.94842.83672.8367
O52.35291.21942.41413.46092.53152.57113.11313.1131
H61.10072.20823.53012.03762.53154.32673.82653.8265
H73.49312.12681.08633.94842.57114.32671.78981.7898
H82.81702.12351.09072.83673.11313.82651.78981.7498
H92.81702.12351.09072.83673.11313.82651.78981.7498

picture of Methyl glyoxal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 117.003 C1 C2 O5 117.669
C2 C1 O4 123.126 C2 C1 H6 113.567
C2 C3 H7 109.991 C2 C3 H8 109.462
C2 C3 H9 109.462 C3 C2 O5 125.328
O4 C1 H6 123.307 H7 C3 H8 110.595
H7 C3 H9 110.595 H8 C3 H9 106.672
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability