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All results from a given calculation for CH2(OH)2 (methanediol)

using model chemistry: MP2=FULL/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at MP2=FULL/6-311G**
 hartrees
Energy at 0K-190.578041
Energy at 298.15K-190.583385
HF Energy-189.965496
Nuclear repulsion energy81.784994
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 MP2=FULL/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3896 3696 28.96      
2 A 3096 2937 65.33      
3 A 1562 1482 1.68      
4 A 1434 1360 3.82      
5 A 1244 1180 1.36      
6 A 1074 1019 110.32      
7 A 595 564 96.16      
8 A 417 395 29.99      
9 B 3895 3695 43.59      
10 B 3156 2994 54.77      
11 B 1494 1417 70.38      
12 B 1399 1327 23.23      
13 B 1129 1071 229.01      
14 B 1052 998 13.31      
15 B 417 396 197.51      

Unscaled Zero Point Vibrational Energy (zpe) 12930.2 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 12265.6 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/6-311G**
ABC
1.39359 0.34461 0.30431

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.532
O2 0.000 1.166 -0.247
O3 0.000 -1.166 -0.247
H4 -0.891 -0.078 1.161
H5 0.891 0.078 1.161
H6 -0.794 1.122 -0.785
H7 0.794 -1.122 -0.785

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.40211.40211.09361.09361.90361.9036
O21.40212.33212.07911.98980.96042.4812
O31.40212.33211.98982.07912.48120.9604
H41.09362.07911.98981.78932.28802.7779
H51.09361.98982.07911.78932.77792.2880
H61.90360.96042.48122.28802.77792.7496
H71.90362.48120.96042.77792.28802.7496

picture of methanediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H6 105.848 C1 O3 H7 105.848
O2 C1 O3 112.537 O2 C1 H4 112.249
O2 C1 H5 105.073 O3 C1 H4 105.073
O3 C1 H5 112.249 H4 C1 H5 109.791
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability