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: mPW1PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at mPW1PW91/6-31G*
 hartrees
Energy at 0K-190.129654
Energy at 298.15K-190.132797
HF Energy-190.129654
Nuclear repulsion energy75.023947
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 mPW1PW91/6-31G*
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 3749 3555 27.95      
2 A 3314 3143 8.05      
3 A 3175 3011 9.96      
4 A 1463 1387 4.69      
5 A 1424 1351 41.18      
6 A 1232 1168 32.44      
7 A 1180 1119 6.16      
8 A 923 876 10.29      
9 A 738 699 42.17      
10 A 493 467 2.09      
11 A 290 275 42.80      
12 A 191 181 113.94      

Unscaled Zero Point Vibrational Energy (zpe) 9085.4 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 8615.7 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 mPW1PW91/6-31G*
ABC
1.78221 0.38068 0.32706

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.131 0.266 0.103
O2 0.067 -0.560 -0.074
O3 -1.129 0.226 -0.078
H4 1.066 1.251 -0.348
H5 2.054 -0.302 0.099
H6 -1.409 0.128 0.847

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.35852.26711.08481.08392.6498
O21.35851.43142.08652.01061.8713
O32.26711.43142.43763.23090.9714
H41.08482.08652.43761.89372.9687
H51.08392.01063.23091.89373.5683
H62.64981.87130.97142.96873.5683

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 108.679 O2 C1 H4 116.856
O2 C1 H5 110.313 O2 O3 H6 100.544
H4 C1 H5 121.668
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.165      
2 O -0.225      
3 O -0.400      
4 H 0.181      
5 H 0.179      
6 H 0.431      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.312 0.485 1.302 1.424
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.766 -0.120 -3.043
y -0.120 -18.004 -0.395
z -3.043 -0.395 -17.169
Traceless
 xyz
x 2.820 -0.120 -3.043
y -0.120 -2.036 -0.395
z -3.043 -0.395 -0.784
Polar
3z2-r2-1.567
x2-y23.238
xy-0.120
xz-3.043
yz-0.395


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.100 -0.157 -0.137
y -0.157 2.444 -0.159
z -0.137 -0.159 1.897


<r2> (average value of r2) Å2
<r2> 41.660
(<r2>)1/2 6.454