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: B97D3/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at B97D3/6-311+G(3df,2p)
 hartrees
Energy at 0K-115.041847
Energy at 298.15K-115.044299
HF Energy-115.041847
Nuclear repulsion energy35.164224
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 B97D3/6-311+G(3df,2p)
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 3773 3724 47.96      
2 A 3212 3170 14.61      
3 A 3069 3029 23.46      
4 A 1447 1429 6.70      
5 A 1335 1318 25.16      
6 A 1163 1148 90.68      
7 A 1034 1020 48.75      
8 A 544 537 98.65      
9 A 417 412 41.83      

Unscaled Zero Point Vibrational Energy (zpe) 7997.0 cm-1
Scaled (by 0.987) Zero Point Vibrational Energy (zpe) 7893.1 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 B97D3/6-311+G(3df,2p)
ABC
6.39165 0.99005 0.86499

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311+G(3df,2p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.688 0.027 -0.064
O2 0.673 -0.126 0.021
H3 -1.236 -0.891 0.105
H4 -1.121 0.997 0.166
H5 1.096 0.737 -0.055

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5
C11.37221.08251.08651.9200
O21.37222.05822.12160.9643
H31.08252.05821.89192.8485
H41.08652.12161.89192.2434
H51.92000.96432.84852.2434

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 109.827 O2 C1 H3 113.530
O2 C1 H4 118.865 H3 C1 H4 119.877
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.112      
2 O -0.386      
3 H 0.140      
4 H 0.146      
5 H 0.212      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.093 1.430 0.260 1.456
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.962 2.134 -0.638
y 2.134 -11.160 -0.017
z -0.638 -0.017 -14.585
Traceless
 xyz
x 0.910 2.134 -0.638
y 2.134 2.113 -0.017
z -0.638 -0.017 -3.023
Polar
3z2-r2-6.047
x2-y2-0.802
xy2.134
xz-0.638
yz-0.017


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.621 0.048 0.048
y 0.048 2.907 -0.015
z 0.048 -0.015 2.926


<r2> (average value of r2) Å2
<r2> 20.831
(<r2>)1/2 4.564