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

using model chemistry: ROMP2/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at ROMP2/3-21G
 hartrees
Energy at 0K-113.966152
Energy at 298.15K-113.968757
HF Energy-113.769701
Nuclear repulsion energy34.441234
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 ROMP2/3-21G
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 3558 3558        
2 A 3317 3317        
3 A 3160 3160        
4 A 1565 1565        
5 A 1403 1403        
6 A 1141 1141        
7 A 1074 1074        
8 A 754 754        
9 A 456 456        

Unscaled Zero Point Vibrational Energy (zpe) 8213.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8213.4 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 ROMP2/3-21G
ABC
6.32146 0.93776 0.82832

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROMP2/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.708 0.030 -0.078
O2 0.690 -0.126 0.032
H3 -1.234 -0.896 0.098
H4 -1.168 0.967 0.225
H5 1.129 0.750 -0.111

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5
C11.41121.07991.08661.9728
O21.41122.07382.16390.9895
H31.07992.07381.86882.8870
H41.08662.16391.86882.3307
H51.97280.98952.88702.3307

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 109.271 O2 C1 H3 112.027
O2 C1 H4 119.511 H3 C1 H4 119.225
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROMP2/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.108      
2 O -0.661      
3 H 0.209      
4 H 0.175      
5 H 0.386      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 21.032
(<r2>)1/2 4.586