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

using model chemistry: wB97X-D/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 wB97X-D/6-311G**
 hartrees
Energy at 0K-190.844127
Energy at 298.15K-190.848872
HF Energy-190.844127
Nuclear repulsion energy81.663809
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/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 3852 3685 38.78      
2 A 3147 3010 18.37      
3 A 3095 2961 50.07      
4 A 3021 2889 41.17      
5 A 1511 1445 10.74      
6 A 1470 1406 7.83      
7 A 1461 1397 0.84      
8 A 1409 1347 49.59      
9 A 1224 1171 5.19      
10 A 1183 1131 1.91      
11 A 1095 1047 16.23      
12 A 938 897 21.67      
13 A 465 445 6.04      
14 A 255 244 14.69      
15 A 167 160 124.86      

Unscaled Zero Point Vibrational Energy (zpe) 12145.3 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 11617.0 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/6-311G**
ABC
1.47480 0.35378 0.30950

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.123 -0.216 0.023
O2 -0.029 0.593 -0.024
O3 -1.149 -0.272 -0.097
H4 1.958 0.486 0.036
H5 1.144 -0.835 0.928
H6 1.194 -0.856 -0.862
H7 -1.606 -0.069 0.724

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.40852.27561.09131.09641.09482.8207
O21.40851.41741.99122.07892.07331.8664
O32.27561.41743.20122.57402.53220.9615
H41.09131.99123.20121.78961.78693.6719
H51.09642.07892.57401.78961.79062.8615
H61.09482.07332.53221.78691.79063.3119
H72.82071.86640.96153.67192.86153.3119

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 107.273 O2 C1 H4 104.894
O2 C1 H5 111.576 O2 C1 H6 111.218
O2 O3 H7 101.642 H4 C1 H5 109.784
H4 C1 H6 109.654 H5 C1 H6 109.613
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.096      
2 O -0.242      
3 O -0.274      
4 H 0.123      
5 H 0.097      
6 H 0.118      
7 H 0.274      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.699 -0.635 1.541 1.807
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.787 -0.303 -2.763
y -0.303 -19.536 -0.037
z -2.763 -0.037 -17.399
Traceless
 xyz
x 3.680 -0.303 -2.763
y -0.303 -3.443 -0.037
z -2.763 -0.037 -0.238
Polar
3z2-r2-0.475
x2-y24.749
xy-0.303
xz-2.763
yz-0.037


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.050 0.253 -0.191
y 0.253 2.781 0.026
z -0.191 0.026 2.785


<r2> (average value of r2) Å2
<r2> 45.646
(<r2>)1/2 6.756