return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: BLYP/6-311G*

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/6-311G*
 hartrees
Energy at 0K-115.049631
Energy at 298.15K-115.052174
HF Energy-115.049631
Nuclear repulsion energy34.917608
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/6-311G*
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 3635 3626 16.44      
2 A 3166 3158 30.21      
3 A 3018 3011 31.71      
4 A 1455 1451 6.14      
5 A 1349 1345 33.81      
6 A 1147 1145 75.75      
7 A 1047 1045 50.68      
8 A 628 627 89.94      
9 A 465 464 81.75      

Unscaled Zero Point Vibrational Energy (zpe) 7954.7 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 7934.8 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/6-311G*
ABC
6.27256 0.97608 0.85570

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.693 0.029 -0.076
O2 -0.677 -0.126 0.027
H3 1.229 -0.898 0.117
H4 1.134 0.989 0.206
H5 -1.104 0.744 -0.078

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5
C11.38241.08831.09391.9336
O21.38242.05872.13470.9746
H31.08832.05871.89162.8596
H41.09392.13471.89162.2695
H51.93360.97462.85962.2695

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 109.022 O2 C1 H3 112.318
O2 C1 H4 118.633 H3 C1 H4 120.183
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.312      
2 O -0.440      
3 H 0.196      
4 H 0.174      
5 H 0.382      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.147 1.576 0.273 1.606
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.701 -2.220 0.764
y -2.220 -11.118 -0.035
z 0.764 -0.035 -14.333
Traceless
 xyz
x 1.025 -2.220 0.764
y -2.220 1.899 -0.035
z 0.764 -0.035 -2.923
Polar
3z2-r2-5.847
x2-y2-0.583
xy-2.220
xz0.764
yz-0.035


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.950 -0.139 0.056
y -0.139 2.422 0.003
z 0.056 0.003 1.571


<r2> (average value of r2) Å2
<r2> 20.871
(<r2>)1/2 4.568