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: QCISD/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 QCISD/6-31G**
 hartrees
Energy at 0K-189.689565
Energy at 298.15K-189.692718
HF Energy-189.172511
Nuclear repulsion energy74.241529
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 QCISD/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3827 3603 28.73      
2 A 3350 3154 9.08      
3 A 3208 3020 11.36      
4 A 1486 1399 6.72      
5 A 1394 1312 50.26      
6 A 1220 1149 21.75      
7 A 1169 1100 18.14      
8 A 875 824 6.29      
9 A 805 758 30.89      
10 A 489 461 1.71      
11 A 290 273 35.72      
12 A 186 175 116.12      

Unscaled Zero Point Vibrational Energy (zpe) 9149.4 cm-1
Scaled (by 0.9414) Zero Point Vibrational Energy (zpe) 8613.2 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 QCISD/6-31G**
ABC
1.71798 0.37493 0.32002

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.141 0.273 0.110
O2 0.072 -0.575 -0.074
O3 -1.136 0.240 -0.078
H4 1.052 1.259 -0.325
H5 2.066 -0.283 0.057
H6 -1.453 0.068 0.822

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.37682.28561.08071.08092.6981
O21.37681.45742.09372.01961.8818
O32.28561.45742.42623.24800.9690
H41.08072.09372.42621.88503.0010
H51.08092.01963.24801.88503.6187
H62.69811.88180.96903.00103.6187

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 107.465 O2 C1 H4 116.330
O2 C1 H5 109.941 O2 O3 H6 99.751
H4 C1 H5 121.389
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability