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

using model chemistry: HF/CEP-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 HF/CEP-31G
 hartrees
Energy at 0K-22.821810
Energy at 298.15K-22.824350
HF Energy-22.821810
Nuclear repulsion energy21.097485
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 HF/CEP-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 4103 3699 45.11      
2 A 3474 3132 50.09      
3 A 3313 2986 55.17      
4 A 1576 1421 14.91      
5 A 1406 1267 48.74      
6 A 1204 1085 131.15      
7 A 1104 995 78.68      
8 A 744 670 65.13      
9 A 385 347 201.64      

Unscaled Zero Point Vibrational Energy (zpe) 8653.9 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 7800.6 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 HF/CEP-31G
ABC
6.57883 0.94781 0.84114

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.708 0.040 -0.094
O2 0.670 -0.153 0.045
H3 -1.270 -0.867 0.055
H4 -1.117 1.002 0.190
H5 1.198 0.622 -0.139

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5
C11.39851.07721.08351.9932
O21.39852.06782.13270.9554
H31.07722.06781.87972.8890
H41.08352.13271.87972.3689
H51.99320.95542.88902.3689

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 114.414 O2 C1 H3 112.636
O2 C1 H4 117.915 H3 C1 H4 120.905
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.158      
2 O -0.517      
3 H 0.165      
4 H 0.133      
5 H 0.377      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.599 1.984 -0.000 2.073
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.146 2.644 -1.128
y 2.644 -11.442 0.001
z -1.128 0.001 -14.196
Traceless
 xyz
x 1.673 2.644 -1.128
y 2.644 1.229 0.001
z -1.128 0.001 -2.903
Polar
3z2-r2-5.805
x2-y20.296
xy2.644
xz-1.128
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.343 0.159 -0.020
y 0.159 1.875 -0.055
z -0.020 -0.055 1.166


<r2> (average value of r2) Å2
<r2> 19.049
(<r2>)1/2 4.365