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All results from a given calculation for CH3OOH (Methyl peroxide)

using model chemistry: B3PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-190.782641
Energy at 298.15K-190.787397
Nuclear repulsion energy81.268848
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 B3PW91/6-31G**
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 3792 3634 25.89      
2 A 3141 3010 18.77      
3 A 3100 2971 49.25      
4 A 3023 2897 41.14      
5 A 1522 1459 9.77      
6 A 1471 1410 5.16      
7 A 1456 1395 1.90      
8 A 1385 1327 48.66      
9 A 1216 1166 5.19      
10 A 1177 1128 1.58      
11 A 1070 1026 17.68      
12 A 911 874 17.13      
13 A 451 433 6.42      
14 A 257 247 14.68      
15 A 195 187 115.26      

Unscaled Zero Point Vibrational Energy (zpe) 12084.0 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 11581.3 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 B3PW91/6-31G**
ABC
1.44494 0.35202 0.30716

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.119 -0.224 0.021
O2 -0.020 0.608 -0.020
O3 -1.160 -0.271 -0.102
H4 1.968 0.467 0.028
H5 1.142 -0.844 0.928
H6 1.179 -0.868 -0.863
H7 -1.572 -0.097 0.758

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.41082.28261.09451.09821.09622.7927
O21.41081.44191.99302.08702.07991.8738
O32.28261.44193.21602.58582.53080.9691
H41.09451.99303.21601.79131.78893.6577
H51.09822.08702.58581.79131.79192.8200
H61.09622.07992.53081.78891.79193.2847
H72.79271.87380.96913.65772.82003.2847

picture of Methyl peroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 O3 106.283 O2 C1 H4 104.701
O2 C1 H5 111.967 O2 C1 H6 111.505
O2 O3 H7 100.162 H4 C1 H5 109.563
H4 C1 H6 109.491 H5 C1 H6 109.493
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.107      
2 O -0.297      
3 O -0.336      
4 H 0.142      
5 H 0.117      
6 H 0.138      
7 H 0.344      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.688 -0.638 1.520 1.787
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.727 -0.227 -2.707
y -0.227 -19.242 -0.049
z -2.707 -0.049 -17.228
Traceless
 xyz
x 3.508 -0.227 -2.707
y -0.227 -3.264 -0.049
z -2.707 -0.049 -0.244
Polar
3z2-r2-0.487
x2-y24.515
xy-0.227
xz-2.707
yz-0.049


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.991 0.287 -0.212
y 0.287 2.660 0.035
z -0.212 0.035 2.697


<r2> (average value of r2) Å2
<r2> 45.780
(<r2>)1/2 6.766