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: B3PW91/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at B3PW91/cc-pVDZ
 hartrees
Energy at 0K-115.022127
Energy at 298.15K-115.024650
HF Energy-115.022127
Nuclear repulsion energy35.244179
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 B3PW91/cc-pVDZ
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 3826 3692 55.27      
2 A 3270 3155 17.35      
3 A 3120 3011 21.46      
4 A 1466 1415 11.28      
5 A 1363 1316 27.70      
6 A 1235 1192 94.39      
7 A 1050 1013 42.36      
8 A 605 584 77.23      
9 A 440 425 68.67      

Unscaled Zero Point Vibrational Energy (zpe) 8187.3 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 7900.7 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 B3PW91/cc-pVDZ
ABC
6.30952 1.00031 0.87304

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.681 0.028 -0.070
O2 -0.670 -0.126 0.024
H3 1.232 -0.897 0.111
H4 1.128 0.995 0.185
H5 -1.084 0.743 -0.066

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5
C11.36321.09131.09551.9042
O21.36322.05432.12470.9661
H31.09132.05431.89592.8429
H41.09552.12471.89592.2402
H51.90420.96612.84292.2402

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 108.466 O2 C1 H3 113.169
O2 C1 H4 119.167 H3 C1 H4 120.218
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.067      
2 O -0.189      
3 H 0.056      
4 H 0.041      
5 H 0.160      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.131 1.454 0.228 1.477
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.392 -2.026 0.614
y -2.026 -10.823 -0.040
z 0.614 -0.040 -13.805
Traceless
 xyz
x 0.922 -2.026 0.614
y -2.026 1.775 -0.040
z 0.614 -0.040 -2.697
Polar
3z2-r2-5.395
x2-y2-0.569
xy-2.026
xz0.614
yz-0.040


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.755 -0.139 0.055
y -0.139 2.313 0.009
z 0.055 0.009 1.359


<r2> (average value of r2) Å2
<r2> 20.401
(<r2>)1/2 4.517