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All results from a given calculation for CH3OOCH3 (dimethylperoxide)

using model chemistry: CCD/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 CCD/6-31G**
 hartrees
Energy at 0K-229.530562
Energy at 298.15K-229.537569
Nuclear repulsion energy133.983843
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 CCD/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 3228 3026 0.00      
2 Ag 3112 2918 0.00      
3 Ag 1583 1484 0.00      
4 Ag 1513 1418 0.00      
5 Ag 1302 1221 0.00      
6 Ag 1139 1068 0.00      
7 Ag 874 819 0.00      
8 Ag 499 468 0.00      
9 Au 3196 2996 85.69      
10 Au 1530 1435 5.71      
11 Au 1208 1132 3.50      
12 Au 214 200 3.08      
13 Au 8 8 12.22      
14 Bg 3195 2996 0.00      
15 Bg 1530 1435 0.00      
16 Bg 1213 1138 0.00      
17 Bg 268 251 0.00      
18 Bu 3228 3026 39.82      
19 Bu 3110 2916 75.54      
20 Bu 1577 1479 17.54      
21 Bu 1504 1410 14.68      
22 Bu 1209 1133 9.09      
23 Bu 1109 1040 105.24      
24 Bu 313 294 11.95      

Unscaled Zero Point Vibrational Energy (zpe) 18830.5 cm-1
Scaled (by 0.9376) Zero Point Vibrational Energy (zpe) 17655.5 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 CCD/6-31G**
ABC
1.04608 0.15409 0.14155

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.443 0.580 0.000
O2 0.443 -0.580 0.000
C3 0.443 1.684 0.000
C4 -0.443 -1.684 0.000
H5 -0.202 2.560 0.000
H6 1.070 1.681 0.892
H7 1.070 1.681 -0.892
H8 0.202 -2.560 0.000
H9 -1.070 -1.681 0.892
H10 -1.070 -1.681 -0.892

Atom - Atom Distances (Å)
  O1 O2 C3 C4 H5 H6 H7 H8 H9 H10
O11.45931.41622.26351.99512.07332.07333.20532.50952.5095
O21.45932.26351.41623.20532.50952.50951.99512.07332.0733
C31.41622.26353.48261.08821.09051.09054.25083.79563.7956
C42.26351.41623.48264.25083.79563.79561.08821.09051.0905
H51.99513.20531.08824.25081.78551.78555.13604.41964.4196
H62.07332.50951.09053.79561.78551.78494.41963.98464.3661
H72.07332.50951.09053.79561.78551.78494.41964.36613.9846
H83.20531.99514.25081.08825.13604.41964.41961.78551.7855
H92.50952.07333.79561.09054.41963.98464.36611.78551.7849
H102.50952.07333.79561.09054.41964.36613.98461.78551.7849

picture of dimethylperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 O2 C4 103.834 O1 C3 H5 104.865
O1 C3 H6 110.937 O1 C3 H7 110.937
O2 O1 C3 103.834 O2 C4 H8 104.865
O2 C4 H9 110.937 O2 C4 H10 110.937
H5 C3 H6 110.079 H5 C3 H7 110.079
H6 C3 H7 109.847 H8 C4 H9 110.079
H8 C4 H10 110.079 H9 C4 H10 109.847
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability