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

using model chemistry: BLYP/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 BLYP/6-31G**
 hartrees
Energy at 0K-190.810005
Energy at 298.15K-190.814636
Nuclear repulsion energy79.537930
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 BLYP/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 3594 3567 12.25      
2 A 3033 3009 21.98      
3 A 2996 2973 56.54      
4 A 2930 2908 43.87      
5 A 1489 1477 10.02      
6 A 1429 1418 3.42      
7 A 1415 1404 2.70      
8 A 1296 1286 42.30      
9 A 1166 1157 4.03      
10 A 1139 1130 1.92      
11 A 969 961 17.46      
12 A 809 803 12.63      
13 A 422 419 7.14      
14 A 253 251 8.96      
15 A 177 176 104.44      

Unscaled Zero Point Vibrational Energy (zpe) 11557.9 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 11468.9 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 BLYP/6-31G**
ABC
1.37635 0.33747 0.29336

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.138 -0.236 0.024
O2 -0.004 0.626 -0.026
O3 -1.193 -0.281 -0.100
H4 1.996 0.456 0.024
H5 1.156 -0.852 0.942
H6 1.195 -0.891 -0.863
H7 -1.605 -0.054 0.763

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.43122.33401.10291.10581.10392.8463
O21.43121.49762.00742.11342.10701.9100
O32.33401.49763.27532.63232.57940.9831
H41.10292.00743.27531.80521.80163.7110
H51.10582.11342.63231.80521.80552.8799
H61.10392.10702.57941.80161.80553.3440
H72.84631.91000.98313.71102.87993.3440

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 105.655 O2 C1 H4 104.029
O2 C1 H5 112.191 O2 C1 H6 111.784
O2 O3 H7 98.569 H4 C1 H5 109.634
H4 C1 H6 109.454 H5 C1 H6 109.590
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.024      
2 O -0.278      
3 O -0.315      
4 H 0.107      
5 H 0.087      
6 H 0.106      
7 H 0.317      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.674 -0.534 1.436 1.674
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.875 -0.322 -2.595
y -0.322 -19.304 0.049
z -2.595 0.049 -17.447
Traceless
 xyz
x 3.501 -0.322 -2.595
y -0.322 -3.143 0.049
z -2.595 0.049 -0.357
Polar
3z2-r2-0.715
x2-y24.430
xy-0.322
xz-2.595
yz0.049


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.338 0.261 -0.246
y 0.261 2.762 0.060
z -0.246 0.060 2.780


<r2> (average value of r2) Å2
<r2> 47.355
(<r2>)1/2 6.882