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

using model chemistry: ROMP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at ROMP2/6-31G(2df,p)
 hartrees
Energy at 0K-114.790636
Energy at 298.15K-114.793205
HF Energy-114.422640
Nuclear repulsion energy35.386577
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 ROMP2/6-31G(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 3906 3906        
2 A 3357 3357        
3 A 3206 3206        
4 A 1521 1521        
5 A 1393 1393        
6 A 1236 1236        
7 A 1084 1084        
8 A 667 667        
9 A 449 449        

Unscaled Zero Point Vibrational Energy (zpe) 8409.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8409.0 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 ROMP2/6-31G(2df,p)
ABC
6.41616 1.00369 0.87861

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROMP2/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.682 0.028 -0.073
O2 0.670 -0.125 0.025
H3 -1.223 -0.886 0.114
H4 -1.117 0.981 0.196
H5 1.075 0.739 -0.072

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5
C11.36341.07831.08221.8951
O21.36342.04182.10830.9593
H31.07832.04181.87162.8205
H41.08222.10831.87162.2215
H51.89510.95932.82052.2215

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 108.084 O2 C1 H3 112.964
O2 C1 H4 118.649 H3 C1 H4 120.059
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROMP2/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.137      
2 O -0.495      
3 H 0.152      
4 H 0.133      
5 H 0.347      


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> 20.274
(<r2>)1/2 4.503