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

using model chemistry: MP2=FULL/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-190.457309
Energy at 298.15K-190.462606
HF Energy-189.923730
Nuclear repulsion energy81.292054
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/6-31+G**
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 3864 3629 31.78      
2 A 3151 2959 51.70      
3 A 1583 1487 1.16      
4 A 1408 1322 2.83      
5 A 1219 1145 2.14      
6 A 1055 991 110.76      
7 A 578 543 106.46      
8 A 421 396 41.94      
9 B 3864 3629 53.59      
10 B 3224 3028 37.05      
11 B 1479 1389 64.30      
12 B 1379 1295 23.93      
13 B 1096 1029 281.97      
14 B 1023 961 13.81      
15 B 400 376 218.77      

Unscaled Zero Point Vibrational Energy (zpe) 12871.7 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 12089.1 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/6-31+G**
ABC
1.38772 0.33887 0.29990

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31+G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.535
O2 0.000 1.174 -0.248
O3 0.000 -1.174 -0.248
H4 -0.891 -0.077 1.155
H5 0.891 0.077 1.155
H6 -0.807 1.171 -0.780
H7 0.807 -1.171 -0.780

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.41081.41081.08811.08811.93711.9371
O21.41082.34712.07971.99110.96672.5359
O31.41082.34711.99112.07972.53590.9667
H41.08812.07971.99111.78872.30402.7973
H51.08811.99112.07971.78872.79732.3040
H61.93710.96672.53592.30402.79732.8438
H71.93712.53590.96672.79732.30402.8438

picture of methanediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H6 107.656 C1 O3 H7 107.656
O2 C1 O3 112.576 O2 C1 H4 112.012
O2 C1 H5 104.915 O3 C1 H4 104.915
O3 C1 H5 112.012 H4 C1 H5 110.566
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability