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

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-190.823207
Energy at 298.15K-190.827918
Nuclear repulsion energy81.389893
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 B3PW91/6-311G*
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 3761 3620 19.63      
2 A 3131 3014 21.64      
3 A 3090 2974 57.28      
4 A 3017 2905 44.27      
5 A 1527 1470 9.93      
6 A 1474 1419 7.67      
7 A 1462 1407 0.83      
8 A 1423 1370 47.85      
9 A 1222 1176 4.83      
10 A 1185 1141 1.63      
11 A 1066 1026 19.32      
12 A 904 870 18.61      
13 A 452 435 7.48      
14 A 261 251 11.01      
15 A 160 154 144.32      

Unscaled Zero Point Vibrational Energy (zpe) 12067.0 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 11616.9 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 B3PW91/6-311G*
ABC
1.46178 0.35259 0.30733

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.121 -0.222 0.026
O2 -0.019 0.603 -0.029
O3 -1.153 -0.281 -0.093
H4 1.964 0.474 0.023
H5 1.139 -0.826 0.940
H6 1.180 -0.874 -0.851
H7 -1.632 -0.020 0.705

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.40812.27861.09271.09611.09452.8425
O21.40811.43961.98802.07852.07251.8783
O32.27861.43963.20982.57272.52420.9660
H41.09271.98803.20981.79191.78773.6931
H51.09612.07852.57271.79191.79242.8946
H61.09452.07252.52421.78771.79243.3249
H72.84251.87830.96603.69312.89463.3249

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 106.281 O2 C1 H4 104.591
O2 C1 H5 111.592 O2 C1 H6 111.193
O2 O3 H7 100.825 H4 C1 H5 109.894
H4 C1 H6 109.634 H5 C1 H6 109.814
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.404      
2 O -0.224      
3 O -0.421      
4 H 0.222      
5 H 0.198      
6 H 0.219      
7 H 0.412      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.586 -0.452 1.555 1.722
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.481 -0.571 -2.831
y -0.571 -19.624 0.090
z -2.831 0.090 -17.624
Traceless
 xyz
x 4.142 -0.571 -2.831
y -0.571 -3.571 0.090
z -2.831 0.090 -0.571
Polar
3z2-r2-1.142
x2-y25.142
xy-0.571
xz-2.831
yz0.090


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.075 0.243 -0.203
y 0.243 2.745 0.047
z -0.203 0.047 2.702


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000