return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH2OH (Hydroxymethyl radical)

using model chemistry: B2PLYP=FULL/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at B2PLYP=FULL/6-31G**
 hartrees
Energy at 0K-114.945897
Energy at 298.15K-114.948480
HF Energy-114.843189
Nuclear repulsion energy35.252018
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 B2PLYP=FULL/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 3874 3874 41.11      
2 A 3318 3318 23.53      
3 A 3169 3169 25.43      
4 A 1526 1526 10.78      
5 A 1383 1383 32.87      
6 A 1226 1226 88.17      
7 A 1077 1077 53.95      
8 A 702 702 54.35      
9 A 451 451 102.21      

Unscaled Zero Point Vibrational Energy (zpe) 8363.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8363.3 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 B2PLYP=FULL/6-31G**
ABC
6.39880 0.99396 0.87212

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.686 0.029 -0.077
O2 -0.671 -0.125 0.028
H3 1.225 -0.887 0.114
H4 1.122 0.979 0.209
H5 -1.089 0.735 -0.085

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5
C11.36961.07941.08401.9104
O21.36962.04542.11340.9633
H31.07942.04541.87082.8332
H41.08402.11341.87082.2438
H51.91040.96332.83322.2438

picture of Hydroxymethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 108.703 O2 C1 H3 112.739
O2 C1 H4 118.475 H3 C1 H4 119.699
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability