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

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-190.801948
Energy at 298.15K-190.806724
Nuclear repulsion energy81.562409
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 mPW1PW91/6-31G**
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 3825 3640 28.59      
2 A 3163 3009 17.95      
3 A 3122 2971 47.59      
4 A 3043 2895 39.89      
5 A 1531 1457 9.96      
6 A 1481 1409 5.51      
7 A 1466 1395 1.97      
8 A 1400 1332 48.89      
9 A 1227 1167 5.55      
10 A 1185 1128 1.65      
11 A 1091 1038 17.47      
12 A 930 885 18.11      
13 A 457 435 6.21      
14 A 259 247 15.15      
15 A 197 187 115.98      

Unscaled Zero Point Vibrational Energy (zpe) 12188.2 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 11597.1 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 mPW1PW91/6-31G**
ABC
1.45423 0.35474 0.30960

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.116 -0.223 0.021
O2 -0.022 0.605 -0.019
O3 -1.154 -0.269 -0.103
H4 1.963 0.466 0.029
H5 1.137 -0.844 0.924
H6 1.174 -0.864 -0.864
H7 -1.564 -0.108 0.758

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.40762.27351.09261.09641.09442.7812
O21.40761.43351.99052.08172.07461.8683
O32.27351.43353.20582.57602.52070.9667
H41.09261.99053.20581.78861.78643.6470
H51.09642.08172.57601.78861.78892.8044
H61.09442.07462.52071.78641.78893.2708
H72.78121.86830.96673.64702.80443.2708

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 106.304 O2 C1 H4 104.826
O2 C1 H5 111.878 O2 C1 H6 111.416
O2 O3 H7 100.425 H4 C1 H5 109.584
H4 C1 H6 109.538 H5 C1 H6 109.487
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.111      
2 O -0.301      
3 O -0.336      
4 H 0.144      
5 H 0.119      
6 H 0.140      
7 H 0.344      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.696 -0.664 1.527 1.805
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.749 -0.196 -2.708
y -0.196 -19.239 -0.073
z -2.708 -0.073 -17.205
Traceless
 xyz
x 3.473 -0.196 -2.708
y -0.196 -3.262 -0.073
z -2.708 -0.073 -0.211
Polar
3z2-r2-0.422
x2-y24.490
xy-0.196
xz-2.708
yz-0.073


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.936 0.295 -0.207
y 0.295 2.637 0.030
z -0.207 0.030 2.678


<r2> (average value of r2) Å2
<r2> 45.522
(<r2>)1/2 6.747