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All results from a given calculation for CH3OOCH3 (dimethylperoxide)

using model chemistry: TPSSh/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at TPSSh/cc-pVTZ
 hartrees
Energy at 0K-230.258996
Energy at 298.15K-230.265936
HF Energy-230.258996
Nuclear repulsion energy133.510624
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 TPSSh/cc-pVTZ
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 3110 3011 0.00      
2 Ag 3004 2909 0.00      
3 Ag 1528 1480 0.00      
4 Ag 1453 1407 0.00      
5 Ag 1264 1224 0.00      
6 Ag 1049 1016 0.00      
7 Ag 834 808 0.00      
8 Ag 468 453 0.00      
9 Au 3064 2967 100.70      
10 Au 1468 1421 10.70      
11 Au 1171 1134 2.47      
12 Au 204 197 2.79      
13 Au 34 33 9.71      
14 Bg 3064 2967 0.00      
15 Bg 1467 1420 0.00      
16 Bg 1176 1139 0.00      
17 Bg 257 248 0.00      
18 Bu 3110 3011 33.93      
19 Bu 3001 2905 103.62      
20 Bu 1521 1473 24.19      
21 Bu 1444 1398 7.41      
22 Bu 1168 1131 14.44      
23 Bu 1044 1011 104.86      
24 Bu 290 281 10.76      

Unscaled Zero Point Vibrational Energy (zpe) 18095.1 cm-1
Scaled (by 0.9683) Zero Point Vibrational Energy (zpe) 17521.5 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 TPSSh/cc-pVTZ
ABC
1.04411 0.15249 0.14023

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/cc-pVTZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.432 0.578 0.000
O2 0.432 -0.578 0.000
C3 0.432 1.693 0.000
C4 -0.432 -1.693 0.000
H5 -0.230 2.558 0.000
H6 1.064 1.707 0.895
H7 1.064 1.707 -0.895
H8 0.230 -2.558 0.000
H9 -1.064 -1.707 0.895
H10 -1.064 -1.707 -0.895

Atom - Atom Distances (Å)
  O1 O2 C3 C4 H5 H6 H7 H8 H9 H10
O11.44441.41052.27121.99032.07692.07693.20602.53472.5347
O21.44442.27121.41053.20602.53472.53471.99032.07692.0769
C31.41052.27123.49411.08991.09521.09524.25603.82103.8210
C42.27121.41053.49414.25603.82103.82101.08991.09521.0952
H51.99033.20601.08994.25601.78811.78815.13744.43784.4378
H62.07692.53471.09523.82101.78811.78994.43784.02324.4034
H72.07692.53471.09523.82101.78811.78994.43784.40344.0232
H83.20601.99034.25601.08995.13744.43784.43781.78811.7881
H92.53472.07693.82101.09524.43784.02324.40341.78811.7899
H102.53472.07693.82101.09524.43784.40344.02321.78811.7899

picture of dimethylperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 O2 C4 105.405 O1 C3 H5 104.776
O1 C3 H6 111.345 O1 C3 H7 111.345
O2 O1 C3 105.405 O2 C4 H8 104.776
O2 C4 H9 111.345 O2 C4 H10 111.345
H5 C3 H6 109.837 H5 C3 H7 109.837
H6 C3 H7 109.601 H8 C4 H9 109.837
H8 C4 H10 109.837 H9 C4 H10 109.601
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.189      
2 O -0.189      
3 C -0.004      
4 C -0.004      
5 H 0.081      
6 H 0.056      
7 H 0.056      
8 H 0.081      
9 H 0.056      
10 H 0.056      


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


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.945 0.371 0.000
y 0.371 7.464 0.000
z 0.000 0.000 4.606


<r2> (average value of r2) Å2
<r2> 92.395
(<r2>)1/2 9.612