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

using model chemistry: B3LYP/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 B3LYP/6-31G*
 hartrees
Energy at 0K-190.847272
Energy at 298.15K-190.851998
Nuclear repulsion energy80.818133
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 B3LYP/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 3699 3553 20.53      
2 A 3132 3008 21.26      
3 A 3096 2973 52.12      
4 A 3028 2908 40.80      
5 A 1542 1480 9.50      
6 A 1492 1433 4.06      
7 A 1474 1415 3.15      
8 A 1392 1337 46.75      
9 A 1220 1171 4.48      
10 A 1185 1138 1.96      
11 A 1054 1012 19.71      
12 A 890 855 15.78      
13 A 448 430 6.65      
14 A 257 247 9.84      
15 A 186 178 119.37      

Unscaled Zero Point Vibrational Energy (zpe) 12046.8 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 11568.6 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 B3LYP/6-31G*
ABC
1.42941 0.34821 0.30340

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.125 -0.227 0.024
O2 -0.015 0.612 -0.025
O3 -1.167 -0.277 -0.099
H4 1.974 0.465 0.027
H5 1.142 -0.840 0.935
H6 1.182 -0.876 -0.858
H7 -1.597 -0.061 0.748

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.41642.29571.09531.09841.09662.8216
O21.41641.45641.99552.08992.08351.8842
O32.29571.45643.22982.59132.53980.9743
H41.09531.99553.22981.79461.79183.6807
H51.09842.08992.59131.79461.79392.8535
H61.09662.08352.53981.79181.79393.3115
H72.82161.88420.97433.68072.85353.3115

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 106.083 O2 C1 H4 104.483
O2 C1 H5 111.784 O2 C1 H6 111.377
O2 O3 H7 99.731 H4 C1 H5 109.787
H4 C1 H6 109.664 H5 C1 H6 109.624
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.171      
2 O -0.284      
3 O -0.409      
4 H 0.160      
5 H 0.137      
6 H 0.157      
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
  0.670 -0.559 1.505 1.740
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.730 -0.359 -2.696
y -0.359 -19.333 0.025
z -2.696 0.025 -17.358
Traceless
 xyz
x 3.615 -0.359 -2.696
y -0.359 -3.289 0.025
z -2.696 0.025 -0.327
Polar
3z2-r2-0.653
x2-y24.603
xy-0.359
xz-2.696
yz0.025


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.010 0.294 -0.228
y 0.294 2.623 0.052
z -0.228 0.052 2.645


<r2> (average value of r2) Å2
<r2> 46.207
(<r2>)1/2 6.798