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: ROMP2/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at ROMP2/STO-3G
 hartrees
Energy at 0K-186.836105
Energy at 298.15K-186.839132
HF Energy-186.710142
Nuclear repulsion energy73.194119
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 ROMP2/STO-3G
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 3814 3814        
2 A 3601 3601        
3 A 3412 3412        
4 A 1630 1630        
5 A 1567 1567        
6 A 1356 1356        
7 A 1238 1238        
8 A 1095 1095        
9 A 909 909        
10 A 488 488        
11 A 299 299        
12 A 145 145        

Unscaled Zero Point Vibrational Energy (zpe) 9776.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9776.6 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 ROMP2/STO-3G
ABC
1.66481 0.37673 0.30971

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROMP2/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.177 0.241 -0.100
O2 -0.035 -0.591 0.031
O3 1.086 0.337 -0.013
H4 -1.086 1.267 0.297
H5 -2.097 -0.316 0.139
H6 1.830 -0.370 0.016

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.41902.26661.10351.10183.0699
O21.41901.45572.15112.08371.8771
O32.26661.45572.38303.25311.0266
H41.10352.15112.38301.88453.3556
H51.10182.08373.25311.88453.9290
H63.06991.87711.02663.35563.9290

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 104.074 O2 C1 H4 116.471
O2 C1 H5 110.871 O2 O3 H6 96.735
H4 C1 H5 117.420
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability