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All results from a given calculation for CH3OOCH3 (dimethylperoxide)

using model chemistry: MP2/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at MP2/TZVP
 hartrees
Energy at 0K-229.624545
Energy at 298.15K 
HF Energy-228.911424
Nuclear repulsion energy133.835847
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 MP2/TZVP
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 3201 3034 0.00      
2 Ag 3079 2918 0.00      
3 Ag 1553 1472 0.00      
4 Ag 1490 1412 0.00      
5 Ag 1282 1215 0.00      
6 Ag 1095 1038 0.00      
7 Ag 833 790 0.00      
8 Ag 486 461 0.00      
9 Au 3167 3002 70.94      
10 Au 1483 1406 9.88      
11 Au 1199 1136 2.51      
12 Au 214 203 4.12      
13 Au 25i 24i 12.06      
14 Bg 3166 3001 0.00      
15 Bg 1483 1406 0.00      
16 Bg 1205 1143 0.00      
17 Bg 269 255 0.00      
18 Bu 3201 3034 27.68      
19 Bu 3077 2917 77.23      
20 Bu 1548 1468 21.93      
21 Bu 1483 1406 4.95      
22 Bu 1198 1136 6.10      
23 Bu 1076 1020 104.21      
24 Bu 310 294 13.06      

Unscaled Zero Point Vibrational Energy (zpe) 18535.9 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 17570.1 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 MP2/TZVP
ABC
1.03880 0.15395 0.14133

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/TZVP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.445 0.584 0.000
O2 0.445 -0.584 0.000
C3 0.445 1.683 0.000
C4 -0.445 -1.683 0.000
H5 -0.201 2.559 0.000
H6 1.070 1.680 0.894
H7 1.070 1.680 -0.894
H8 0.201 -2.559 0.000
H9 -1.070 -1.680 0.894
H10 -1.070 -1.680 -0.894

Atom - Atom Distances (Å)
  O1 O2 C3 C4 H5 H6 H7 H8 H9 H10
O11.46861.41452.26731.99022.07262.07263.20902.51332.5133
O21.46862.26731.41453.20902.51332.51331.99022.07262.0726
C31.41452.26733.48221.08861.09091.09094.24953.79563.7956
C42.26731.41453.48224.24953.79563.79561.08861.09091.0909
H51.99023.20901.08864.24951.78541.78545.13424.41894.4189
H62.07262.51331.09093.79561.78541.78904.41893.98344.3667
H72.07262.51331.09093.79561.78541.78904.41894.36673.9834
H83.20901.99024.24951.08865.13424.41894.41891.78541.7854
H92.51332.07263.79561.09094.41893.98344.36671.78541.7890
H102.51332.07263.79561.09094.41894.36673.98341.78541.7890

picture of dimethylperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 O2 C4 103.682 O1 C3 H5 104.576
O1 C3 H6 110.981 O1 C3 H7 110.981
O2 O1 C3 103.682 O2 C4 H8 104.576
O2 C4 H9 110.981 O2 C4 H10 110.981
H5 C3 H6 110.005 H5 C3 H7 110.005
H6 C3 H7 110.164 H8 C4 H9 110.005
H8 C4 H10 110.005 H9 C4 H10 110.164
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability