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

using model chemistry: G4

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at G4
 hartrees
Energy at 0K-114.999755
Energy at 298.15K-114.995497
HF Energy-115.068111
Nuclear repulsion energy35.292207
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 B3LYP/6-31G(2df,p)
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 3832 3698 42.47      
2 A 3257 3143 19.37      
3 A 3116 3007 21.48      
4 A 1485 1433 7.91      
5 A 1370 1323 32.02      
6 A 1215 1172 82.96      
7 A 1061 1024 46.33      
8 A 642 619 60.31      
9 A 441 426 76.02      

Unscaled Zero Point Vibrational Energy (zpe) 8209.5 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 7922.2 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 B3LYP/6-31G(2df,p)
ABC
6.39465 0.99851 0.87411

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.683 0.028 -0.073
O2 0.670 -0.125 0.025
H3 -1.229 -0.888 0.115
H4 -1.120 0.987 0.194
H5 1.091 0.735 -0.070

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5
C11.36531.08291.08671.9095
O21.36532.04822.11420.9621
H31.08292.04821.87952.8369
H41.08672.11421.87952.2410
H51.90950.96212.83692.2410

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 109.245 O2 C1 H3 113.121
O2 C1 H4 118.871 H3 C1 H4 119.455
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.219      
2 O -0.317      
3 H 0.124      
4 H 0.107      
5 H 0.305      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.118 1.407 0.225 1.430
CHELPG        
AIM        
ESP        


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> 20.355
(<r2>)1/2 4.512