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All results from a given calculation for CH3OOCH3 (dimethylperoxide)

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 C2H 1Ag
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-230.103908
Energy at 298.15K-230.110893
Nuclear repulsion energy134.558605
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 Ag 3169 3015 0.00      
2 Ag 3047 2899 0.00      
3 Ag 1539 1465 0.00      
4 Ag 1469 1397 0.00      
5 Ag 1289 1226 0.00      
6 Ag 1120 1066 0.00      
7 Ag 882 840 0.00      
8 Ag 497 473 0.00      
9 Au 3119 2968 92.97      
10 Au 1477 1405 10.92      
11 Au 1186 1129 1.04      
12 Au 210 199 3.65      
13 Au 13 13 11.16      
14 Bg 3119 2968 0.00      
15 Bg 1476 1404 0.00      
16 Bg 1192 1135 0.00      
17 Bg 267 254 0.00      
18 Bu 3169 3015 30.80      
19 Bu 3043 2896 96.32      
20 Bu 1532 1458 25.85      
21 Bu 1458 1388 6.49      
22 Bu 1186 1129 16.98      
23 Bu 1104 1050 103.15      
24 Bu 308 293 11.49      

Unscaled Zero Point Vibrational Energy (zpe) 18434.7 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 17540.6 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 mPW1PW91/6-31G**
ABC
1.06636 0.15487 0.14262

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.435 0.577 0.000
O2 0.435 -0.577 0.000
C3 0.435 1.678 0.000
C4 -0.435 -1.678 0.000
H5 -0.218 2.553 0.000
H6 1.067 1.691 0.895
H7 1.067 1.691 -0.895
H8 0.218 -2.553 0.000
H9 -1.067 -1.691 0.895
H10 -1.067 -1.691 -0.895

Atom - Atom Distances (Å)
  O1 O2 C3 C4 H5 H6 H7 H8 H9 H10
O11.44571.40352.25541.98762.07302.07303.19762.51862.5186
O21.44572.25541.40353.19762.51862.51861.98762.07302.0730
C31.40352.25543.46741.09181.09551.09554.23673.79563.7956
C42.25541.40353.46744.23673.79563.79561.09181.09551.0955
H51.98763.19761.09184.23671.78781.78785.12454.41924.4192
H62.07302.51861.09553.79561.78781.78974.41923.99854.3807
H72.07302.51861.09553.79561.78781.78974.41924.38073.9985
H83.19761.98764.23671.09185.12454.41924.41921.78781.7878
H92.51862.07303.79561.09554.41923.99854.38071.78781.7897
H102.51862.07303.79561.09554.41924.38073.99851.78781.7897

picture of dimethylperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 O2 C4 104.659 O1 C3 H5 104.915
O1 C3 H6 111.506 O1 C3 H7 111.506
O2 O1 C3 104.659 O2 C4 H8 104.915
O2 C4 H9 111.506 O2 C4 H10 111.506
H5 C3 H6 109.636 H5 C3 H7 109.636
H6 C3 H7 109.539 H8 C4 H9 109.636
H8 C4 H10 109.636 H9 C4 H10 109.539
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 O -0.296      
2 O -0.296      
3 C -0.115      
4 C -0.115      
5 H 0.145      
6 H 0.133      
7 H 0.133      
8 H 0.145      
9 H 0.133      
10 H 0.133      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.198 1.723 0.000
y 1.723 -18.343 0.000
z 0.000 0.000 -24.906
Traceless
 xyz
x -3.574 1.723 0.000
y 1.723 6.709 0.000
z 0.000 0.000 -3.135
Polar
3z2-r2-6.271
x2-y2-6.855
xy1.723
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.180 0.188 0.000
y 0.188 6.424 0.000
z 0.000 0.000 3.935


<r2> (average value of r2) Å2
<r2> 91.000
(<r2>)1/2 9.539