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: HSEh1PBE/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at HSEh1PBE/6-31G*
 hartrees
Energy at 0K-114.930340
Energy at 298.15K-114.932900
HF Energy-114.930340
Nuclear repulsion energy35.322978
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 HSEh1PBE/6-31G*
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 3825 3638 41.83      
2 A 3300 3139 24.19      
3 A 3155 3000 26.74      
4 A 1513 1438 11.37      
5 A 1388 1320 34.59      
6 A 1248 1187 95.13      
7 A 1077 1024 48.75      
8 A 673 640 63.99      
9 A 445 423 104.75      

Unscaled Zero Point Vibrational Energy (zpe) 8312.3 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 7905.0 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 HSEh1PBE/6-31G*
ABC
6.37214 1.00179 0.87772

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.681 0.029 -0.077
O2 -0.668 -0.125 0.029
H3 1.225 -0.889 0.108
H4 1.122 0.982 0.210
H5 -1.091 0.734 -0.092

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5
C11.36231.08331.08831.9075
O21.36232.04302.11260.9653
H31.08332.04301.87712.8354
H41.08832.11261.87712.2474
H51.90750.96532.83542.2474

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 108.867 O2 C1 H3 112.812
O2 C1 H4 118.674 H3 C1 H4 119.625
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.191      
2 O -0.551      
3 H 0.171      
4 H 0.148      
5 H 0.424      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.022 1.550 0.199 1.563
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.339 -2.166 0.751
y -2.166 -10.804 -0.064
z 0.751 -0.064 -13.816
Traceless
 xyz
x 0.971 -2.166 0.751
y -2.166 1.774 -0.064
z 0.751 -0.064 -2.745
Polar
3z2-r2-5.489
x2-y2-0.535
xy-2.166
xz0.751
yz-0.064


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.650 -0.143 0.061
y -0.143 2.244 0.009
z 0.061 0.009 1.179


<r2> (average value of r2) Å2
<r2> 20.324
(<r2>)1/2 4.508