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 CH2OOH (CH2OOH radical)

using model chemistry: ROHF/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 ROHF/6-31G
 hartrees
Energy at 0K-189.090911
Energy at 298.15K-189.093756
HF Energy-189.090911
Nuclear repulsion energy74.015803
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/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 3988 3571 84.31      
2 A 3492 3126 3.92      
3 A 3336 2986 9.72      
4 A 1560 1397 31.41      
5 A 1512 1354 52.71      
6 A 1262 1130 14.10      
7 A 1197 1071 60.82      
8 A 945 846 16.11      
9 A 695 622 38.24      
10 A 467 418 13.43      
11 A 205 184 64.45      
12 A 88 79 200.38      

Unscaled Zero Point Vibrational Energy (zpe) 9373.2 cm-1
Scaled (by 0.8953) Zero Point Vibrational Energy (zpe) 8391.9 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/6-31G
ABC
1.84236 0.36936 0.30949

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.182 0.241 -0.073
O2 -0.056 -0.561 0.042
O3 1.111 0.307 -0.023
H4 -1.094 1.246 0.280
H5 -2.080 -0.334 0.000
H6 1.821 -0.332 0.005

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.38712.29461.06911.06953.0577
O21.38711.45592.09782.03751.8908
O32.29461.45592.41613.25550.9552
H41.06912.09782.41611.88403.3261
H51.06952.03753.25551.88403.9011
H63.05771.89080.95523.32613.9011

picture of CH2OOH radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 O3 107.603 O2 C1 H4 116.728
O2 C1 H5 111.421 O2 O3 H6 101.263
H4 C1 H5 123.521
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.039      
2 O -0.413      
3 O -0.424      
4 H 0.179      
5 H 0.176      
6 H 0.442      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.041 -0.233 0.346 0.419
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.120 -2.449 -0.352
y -2.449 -18.575 0.480
z -0.352 0.480 -19.236
Traceless
 xyz
x 7.786 -2.449 -0.352
y -2.449 -3.397 0.480
z -0.352 0.480 -4.388
Polar
3z2-r2-8.776
x2-y27.455
xy-2.449
xz-0.352
yz0.480


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> 42.835
(<r2>)1/2 6.545