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

using model chemistry: wB97X-D/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at wB97X-D/TZVP
 hartrees
Energy at 0K-190.865007
Energy at 298.15K-190.869734
HF Energy-190.865007
Nuclear repulsion energy81.550558
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 wB97X-D/TZVP
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 3852 3678 41.18      
2 A 3154 3012 15.07      
3 A 3106 2966 43.50      
4 A 3033 2896 38.36      
5 A 1514 1446 9.66      
6 A 1473 1406 7.23      
7 A 1465 1399 0.87      
8 A 1398 1335 49.85      
9 A 1221 1166 4.41      
10 A 1185 1132 1.43      
11 A 1091 1042 19.30      
12 A 933 891 21.30      
13 A 460 440 7.68      
14 A 253 241 9.59      
15 A 161 154 139.22      

Unscaled Zero Point Vibrational Energy (zpe) 12149.2 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 11602.4 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 wB97X-D/TZVP
ABC
1.47868 0.35318 0.30784

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.125 -0.215 0.025
O2 -0.028 0.593 -0.026
O3 -1.151 -0.275 -0.095
H4 1.959 0.487 0.033
H5 1.150 -0.829 0.931
H6 1.197 -0.859 -0.856
H7 -1.626 -0.049 0.710

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.40892.27961.09001.09511.09352.8402
O21.40891.42061.99082.07972.07321.8726
O32.27961.42063.20422.57932.53630.9622
H41.09001.99083.20421.78651.78393.6875
H51.09512.07972.57931.78651.78832.8923
H61.09352.07322.53631.78391.78833.3290
H72.84021.87260.96223.68752.89233.3290

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 107.349 O2 C1 H4 104.906
O2 C1 H5 111.704 O2 C1 H6 111.271
O2 O3 H7 101.881 H4 C1 H5 109.686
H4 C1 H6 109.570 H5 C1 H6 109.596
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.164      
2 O -0.188      
3 O -0.284      
4 H 0.125      
5 H 0.102      
6 H 0.121      
7 H 0.288      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.650 -0.418 1.444 1.638
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.440 -0.754 -2.682
y -0.754 -19.809 0.177
z -2.682 0.177 -17.812
Traceless
 xyz
x 4.370 -0.754 -2.682
y -0.754 -3.684 0.177
z -2.682 0.177 -0.687
Polar
3z2-r2-1.373
x2-y25.369
xy-0.754
xz-2.682
yz0.177


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.250 0.253 -0.152
y 0.253 3.081 0.038
z -0.152 0.038 3.008


<r2> (average value of r2) Å2
<r2> 45.864
(<r2>)1/2 6.772