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All results from a given calculation for CH3OOCH3 (dimethylperoxide)

using model chemistry: PBEPBE/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at PBEPBE/6-31+G**
 hartrees
Energy at 0K-229.911385
Energy at 298.15K-229.918280
Nuclear repulsion energy132.362752
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 PBEPBE/6-31+G**
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 3065 3030 0.00      
2 Ag 2946 2912 0.00      
3 Ag 1473 1456 0.00      
4 Ag 1396 1380 0.00      
5 Ag 1222 1208 0.00      
6 Ag 1007 995 0.00      
7 Ag 784 776 0.00      
8 Ag 464 458 0.00      
9 Au 3014 2979 90.15      
10 Au 1405 1389 15.76      
11 Au 1133 1120 0.76      
12 Au 206 203 4.80      
13 Au 46 46 11.74      
14 Bg 3014 2979 0.00      
15 Bg 1403 1387 0.00      
16 Bg 1137 1124 0.00      
17 Bg 259 256 0.00      
18 Bu 3065 3030 22.64      
19 Bu 2943 2909 109.63      
20 Bu 1466 1449 30.90      
21 Bu 1388 1373 0.88      
22 Bu 1125 1112 19.63      
23 Bu 1026 1015 77.04      
24 Bu 291 288 13.28      

Unscaled Zero Point Vibrational Energy (zpe) 17637.8 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 17436.7 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 PBEPBE/6-31+G**
ABC
1.02204 0.15004 0.13792

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.446 0.599 0.000
O2 0.446 -0.599 0.000
C3 0.446 1.702 0.000
C4 -0.446 -1.702 0.000
H5 -0.218 2.583 0.000
H6 1.079 1.713 0.906
H7 1.079 1.713 -0.906
H8 0.218 -2.583 0.000
H9 -1.079 -1.713 0.906
H10 -1.079 -1.713 -0.906

Atom - Atom Distances (Å)
  O1 O2 C3 C4 H5 H6 H7 H8 H9 H10
O11.49391.41852.30141.99652.09482.09483.25032.56282.5628
O21.49392.30141.41853.25032.56282.56281.99652.09482.0948
C31.41852.30143.51931.10251.10591.10594.29093.84843.8484
C42.30141.41853.51934.29093.84843.84841.10251.10591.1059
H51.99653.25031.10254.29091.80581.80585.18354.47374.4737
H62.09482.56281.10593.84841.80581.81294.47374.04894.4362
H72.09482.56281.10593.84841.80581.81294.47374.43624.0489
H83.25031.99654.29091.10255.18354.47374.47371.80581.8058
H92.56282.09483.84841.10594.47374.04894.43621.80581.8129
H102.56282.09483.84841.10594.47374.43624.04891.80581.8129

picture of dimethylperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 O2 C4 104.382 O1 C3 H5 104.031
O1 C3 H6 111.564 O1 C3 H7 111.564
O2 O1 C3 104.382 O2 C4 H8 104.031
O2 C4 H9 111.564 O2 C4 H10 111.564
H5 C3 H6 109.707 H5 C3 H7 109.707
H6 C3 H7 110.100 H8 C4 H9 109.707
H8 C4 H10 109.707 H9 C4 H10 110.100
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.180      
2 O -0.180      
3 C -0.320      
4 C -0.320      
5 H 0.171      
6 H 0.165      
7 H 0.165      
8 H 0.171      
9 H 0.165      
10 H 0.165      


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 -26.345 1.796 0.000
y 1.796 -18.832 0.000
z 0.000 0.000 -25.907
Traceless
 xyz
x -3.975 1.796 0.000
y 1.796 7.294 0.000
z 0.000 0.000 -3.319
Polar
3z2-r2-6.637
x2-y2-7.513
xy1.796
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.176 0.357 0.000
y 0.357 7.634 0.000
z 0.000 0.000 4.849


<r2> (average value of r2) Å2
<r2> 93.998
(<r2>)1/2 9.695