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

using model chemistry: CID/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at CID/6-31G
 hartrees
Energy at 0K-190.136992
Energy at 298.15K-190.142288
HF Energy-189.817909
Nuclear repulsion energy79.996726
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 CID/6-31G
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 3771 3527 12.61      
2 A 3141 2937 45.90      
3 A 1607 1503 0.83      
4 A 1431 1338 4.30      
5 A 1233 1154 1.30      
6 A 1028 961 128.69      
7 A 567 530 179.28      
8 A 427 400 42.83      
9 B 3768 3524 20.20      
10 B 3201 2994 46.49      
11 B 1494 1397 51.63      
12 B 1414 1322 32.22      
13 B 1081 1011 211.62      
14 B 1023 956 45.42      
15 B 405 379 268.52      

Unscaled Zero Point Vibrational Energy (zpe) 12795.5 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 11966.4 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 CID/6-31G
ABC
1.35346 0.32619 0.28830

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-31G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.547
O2 0.000 1.194 -0.251
O3 0.000 -1.194 -0.251
H4 -0.894 -0.082 1.167
H5 0.894 0.082 1.167
H6 -0.802 1.249 -0.796
H7 0.802 -1.249 -0.796

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.43641.43641.09131.09132.00162.0016
O21.43642.38822.10692.01240.97112.6283
O31.43642.38822.01242.10692.62830.9711
H41.09132.10692.01241.79552.37332.8450
H51.09132.01242.10691.79552.84502.3733
H62.00160.97112.62832.37332.84502.9686
H72.00162.62830.97112.84502.37332.9686

picture of methanediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H6 111.008 C1 O3 H7 111.008
O2 C1 O3 112.472 O2 C1 H4 112.213
O2 C1 H5 104.705 O3 C1 H4 104.705
O3 C1 H5 112.213 H4 C1 H5 110.711
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability