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

using model chemistry: ROMP2/STO-3G

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/STO-3G
 hartrees
Energy at 0K-112.993974
Energy at 298.15K-112.996608
HF Energy-112.912439
Nuclear repulsion energy34.324400
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/STO-3G
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 3901 3901        
2 A 3589 3589        
3 A 3402 3402        
4 A 1671 1671        
5 A 1594 1594        
6 A 1295 1295        
7 A 1148 1148        
8 A 913 913        
9 A 518 518        

Unscaled Zero Point Vibrational Energy (zpe) 9015.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9015.1 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 ROMP2/STO-3G
ABC
5.91881 0.94831 0.83477

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.699 0.029 -0.098
O2 0.693 -0.132 0.034
H3 -1.245 -0.897 0.142
H4 -1.151 0.966 0.274
H5 1.043 0.811 -0.104

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5
C11.40821.10101.10471.9100
O21.40822.08662.15961.0146
H31.10102.08661.87032.8657
H41.10472.15961.87032.2320
H51.91001.01462.86572.2320

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 102.858 O2 C1 H3 111.942
O2 C1 H4 117.996 H3 C1 H4 115.974
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROMP2/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.010      
2 O -0.263      
3 H 0.052      
4 H 0.041      
5 H 0.180      


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> 20.457
(<r2>)1/2 4.523