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: ROHF/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at ROHF/aug-cc-pVTZ
 hartrees
Energy at 0K-114.466393
Energy at 298.15K-114.468976
HF Energy-114.466393
Nuclear repulsion energy35.669783
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 ROHF/aug-cc-pVTZ
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 4171 4171 87.18      
2 A 3384 3384 19.25      
3 A 3251 3251 29.71      
4 A 1602 1602 15.44      
5 A 1461 1461 47.47      
6 A 1274 1274 136.07      
7 A 1140 1140 45.85      
8 A 762 762 40.03      
9 A 398 398 101.99      

Unscaled Zero Point Vibrational Energy (zpe) 8721.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8721.0 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 ROHF/aug-cc-pVTZ
ABC
6.63934 1.01225 0.89015

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.679 0.029 -0.075
O2 -0.663 -0.122 0.028
H3 1.226 -0.873 0.110
H4 1.105 0.976 0.203
H5 -1.103 0.700 -0.087

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5
C11.35381.07101.07501.9044
O21.35382.03412.08780.9398
H31.07102.03411.85502.8177
H41.07502.08781.85502.2440
H51.90440.93982.81772.2440

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 110.970 O2 C1 H3 113.532
O2 C1 H4 118.085 H3 C1 H4 119.630
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.731      
2 O -0.380      
3 H 0.473      
4 H 0.446      
5 H 0.192      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.216 1.498 0.179 1.523
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.748 -2.194 0.786
y -2.194 -11.080 -0.052
z 0.786 -0.052 -14.151
Traceless
 xyz
x 0.868 -2.194 0.786
y -2.194 1.870 -0.052
z 0.786 -0.052 -2.737
Polar
3z2-r2-5.475
x2-y2-0.668
xy-2.194
xz0.786
yz-0.052


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 20.346
(<r2>)1/2 4.511