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All results from a given calculation for CH3OOCH3 (dimethylperoxide)

using model chemistry: HF/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 HF/6-31G*
 hartrees
Energy at 0K-228.828757
Energy at 298.15K-228.835982
Nuclear repulsion energy136.244480
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 HF/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 3317 2981 0.00      
2 Ag 3222 2895 0.00      
3 Ag 1668 1499 0.00      
4 Ag 1618 1454 0.00      
5 Ag 1410 1267 0.00      
6 Ag 1289 1158 0.00      
7 Ag 993 893 0.00      
8 Ag 543 488 0.00      
9 Au 3292 2958 114.31      
10 Au 1625 1460 5.55      
11 Au 1293 1162 6.23      
12 Au 228 205 3.36      
13 Au 26 23 14.41      
14 Bg 3291 2957 0.00      
15 Bg 1625 1460 0.00      
16 Bg 1298 1166 0.00      
17 Bg 287 258 0.00      
18 Bu 3317 2981 63.71      
19 Bu 3218 2892 101.35      
20 Bu 1662 1493 17.89      
21 Bu 1605 1442 28.43      
22 Bu 1305 1172 9.45      
23 Bu 1187 1067 188.97      
24 Bu 336 302 11.73      

Unscaled Zero Point Vibrational Energy (zpe) 19828.4 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 17815.8 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 HF/6-31G*
ABC
1.12505 0.15709 0.14537

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.421 0.559 0.000
O2 0.421 -0.559 0.000
C3 0.421 1.673 0.000
C4 -0.421 -1.673 0.000
H5 -0.236 2.533 0.000
H6 1.044 1.685 0.886
H7 1.044 1.685 -0.886
H8 0.236 -2.533 0.000
H9 -1.044 -1.685 0.886
H10 -1.044 -1.685 -0.886

Atom - Atom Distances (Å)
  O1 O2 C3 C4 H5 H6 H7 H8 H9 H10
O11.39851.39652.23191.98282.04912.04913.16042.49122.4912
O21.39852.23191.39653.16042.49122.49121.98282.04912.0491
C31.39652.23193.45071.08161.08361.08364.21013.76913.7691
C42.23191.39653.45074.21013.76913.76911.08161.08361.0836
H51.98283.16041.08164.21011.77291.77295.08754.38474.3847
H62.04912.49121.08363.76911.77291.77244.38473.96384.3420
H72.04912.49121.08363.76911.77291.77244.38474.34203.9638
H83.16041.98284.21011.08165.08754.38474.38471.77291.7729
H92.49122.04913.76911.08364.38473.96384.34201.77291.7724
H102.49122.04913.76911.08364.38474.34203.96381.77291.7724

picture of dimethylperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 O2 C4 105.975 O1 C3 H5 105.583
O1 C3 H6 110.791 O1 C3 H7 110.791
O2 O1 C3 105.975 O2 C4 H8 105.583
O2 C4 H9 110.791 O2 C4 H10 110.791
H5 C3 H6 109.932 H5 C3 H7 109.932
H6 C3 H7 109.740 H8 C4 H9 109.932
H8 C4 H10 109.932 H9 C4 H10 109.740
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.355      
2 O -0.355      
3 C -0.148      
4 C -0.148      
5 H 0.176      
6 H 0.164      
7 H 0.164      
8 H 0.176      
9 H 0.164      
10 H 0.164      


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 -25.572 2.046 0.000
y 2.046 -18.304 0.000
z 0.000 0.000 -25.093
Traceless
 xyz
x -3.874 2.046 0.000
y 2.046 7.029 0.000
z 0.000 0.000 -3.155
Polar
3z2-r2-6.310
x2-y2-7.269
xy2.046
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.841 -0.075 0.000
y -0.075 5.798 0.000
z 0.000 0.000 3.692


<r2> (average value of r2) Å2
<r2> 89.699
(<r2>)1/2 9.471