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

using model chemistry: BLYP/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 BLYP/3-21G*
 hartrees
Energy at 0K-114.375382
Energy at 298.15K-114.377869
HF Energy-114.375382
Nuclear repulsion energy34.200518
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 BLYP/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 3329 3307 2.50      
2 A 3185 3164 27.18      
3 A 3030 3011 21.36      
4 A 1474 1465 3.74      
5 A 1345 1337 29.72      
6 A 1093 1086 25.02      
7 A 1014 1008 72.81      
8 A 589 585 116.89      
9 A 442 439 73.31      

Unscaled Zero Point Vibrational Energy (zpe) 7750.9 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 7700.5 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 BLYP/3-21G*
ABC
6.17037 0.93036 0.81816

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.710 0.030 -0.072
O2 -0.694 -0.128 0.029
H3 1.238 -0.908 0.091
H4 1.180 0.979 0.207
H5 -1.125 0.773 -0.100

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5
C11.41741.08841.09491.9807
O21.41742.08482.18401.0074
H31.08842.08481.89132.9066
H41.09492.18401.89132.3346
H51.98071.00742.90662.3346

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 108.360 O2 C1 H3 111.943
O2 C1 H4 120.217 H3 C1 H4 120.045
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.205      
2 O -0.465      
3 H 0.178      
4 H 0.149      
5 H 0.343      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.121 1.587 0.245 1.610
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.355 -2.198 0.779
y -2.198 -10.872 -0.045
z 0.779 -0.045 -13.801
Traceless
 xyz
x 0.981 -2.198 0.779
y -2.198 1.706 -0.045
z 0.779 -0.045 -2.687
Polar
3z2-r2-5.375
x2-y2-0.483
xy-2.198
xz0.779
yz-0.045


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.765 -0.233 0.050
y -0.233 2.166 -0.007
z 0.050 -0.007 0.824


<r2> (average value of r2) Å2
<r2> 21.195
(<r2>)1/2 4.604