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All results from a given calculation for CH3OOCH3 (dimethylperoxide)

using model chemistry: MP2=FULL/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 MP2=FULL/6-31G**
 hartrees
Energy at 0K-229.514566
Energy at 298.15K-229.521571
Nuclear repulsion energy133.688125
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=FULL/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Ag 3249 3036 0.00      
2 Ag 3120 2915 0.00      
3 Ag 1584 1480 0.00      
4 Ag 1502 1404 0.00      
5 Ag 1282 1198 0.00      
6 Ag 1102 1030 0.00      
7 Ag 834 779 0.00      
8 Ag 489 457 0.00      
9 Au 3215 3004 77.90      
10 Au 1527 1427 6.98      
11 Au 1203 1124 2.34      
12 Au 218 204 3.21      
13 Au 19 18 11.90      
14 Bg 3215 3004 0.00      
15 Bg 1527 1427 0.00      
16 Bg 1209 1130 0.00      
17 Bg 273 255 0.00      
18 Bu 3249 3036 31.15      
19 Bu 3118 2914 72.64      
20 Bu 1578 1475 19.38      
21 Bu 1494 1396 10.94      
22 Bu 1197 1118 8.27      
23 Bu 1089 1017 92.23      
24 Bu 307 287 12.94      

Unscaled Zero Point Vibrational Energy (zpe) 18800.0 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 17566.7 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 MP2=FULL/6-31G**
ABC
1.02614 0.15420 0.14125

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.450 0.586 0.000
O2 0.450 -0.586 0.000
C3 0.450 1.681 0.000
C4 -0.450 -1.681 0.000
H5 -0.191 2.559 0.000
H6 1.075 1.673 0.891
H7 1.075 1.673 -0.891
H8 0.191 -2.559 0.000
H9 -1.075 -1.673 0.891
H10 -1.075 -1.673 -0.891

Atom - Atom Distances (Å)
  O1 O2 C3 C4 H5 H6 H7 H8 H9 H10
O11.47781.41682.26721.98932.07402.07403.20952.50812.5081
O21.47782.26721.41683.20952.50812.50811.98932.07402.0740
C31.41682.26723.48011.08671.08901.08904.24753.79073.7907
C42.26721.41683.48014.24753.79073.79071.08671.08901.0890
H51.98933.20951.08674.24751.78401.78405.13154.41414.4141
H62.07402.50811.08903.79071.78401.78274.41413.97774.3589
H72.07402.50811.08903.79071.78401.78274.41414.35893.9777
H83.20951.98934.24751.08675.13154.41414.41411.78401.7840
H92.50812.07403.79071.08904.41413.97774.35891.78401.7827
H102.50812.07403.79071.08904.41414.35893.97771.78401.7827

picture of dimethylperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 O2 C4 103.100 O1 C3 H5 104.461
O1 C3 H6 111.047 O1 C3 H7 111.047
O2 O1 C3 103.100 O2 C4 H8 104.461
O2 C4 H9 111.047 O2 C4 H10 111.047
H5 C3 H6 110.157 H5 C3 H7 110.157
H6 C3 H7 109.863 H8 C4 H9 110.157
H8 C4 H10 110.157 H9 C4 H10 109.863
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability