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All results from a given calculation for CH3OOCH3 (dimethylperoxide)

using model chemistry: B3LYP/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B3LYP/6-311G**
 hartrees
Energy at 0K-230.229227
Energy at 298.15K-230.236188
Nuclear repulsion energy133.549696
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 B3LYP/6-311G**
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 3113 3010 0.00      
2 Ag 3005 2905 0.00      
3 Ag 1520 1470 0.00      
4 Ag 1454 1405 0.00      
5 Ag 1266 1224 0.00      
6 Ag 1063 1027 0.00      
7 Ag 836 808 0.00      
8 Ag 484 468 0.00      
9 Au 3064 2962 105.11      
10 Au 1455 1407 13.93      
11 Au 1172 1133 1.80      
12 Au 206 199 3.27      
13 Au 26 25 11.13      
14 Bg 3063 2962 0.00      
15 Bg 1454 1406 0.00      
16 Bg 1177 1138 0.00      
17 Bg 261 252 0.00      
18 Bu 3113 3009 34.34      
19 Bu 3001 2902 103.19      
20 Bu 1513 1463 26.60      
21 Bu 1445 1397 4.33      
22 Bu 1172 1133 11.18      
23 Bu 1052 1017 110.72      
24 Bu 302 292 11.43      

Unscaled Zero Point Vibrational Energy (zpe) 18107.5 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 17506.4 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 B3LYP/6-311G**
ABC
1.05509 0.15200 0.14001

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.438 0.587 0.000
O2 0.438 -0.587 0.000
C3 0.438 1.695 0.000
C4 -0.438 -1.695 0.000
H5 -0.218 2.567 0.000
H6 1.068 1.704 0.896
H7 1.068 1.704 -0.896
H8 0.218 -2.567 0.000
H9 -1.068 -1.704 0.896
H10 -1.068 -1.704 -0.896

Atom - Atom Distances (Å)
  O1 O2 C3 C4 H5 H6 H7 H8 H9 H10
O11.46541.41242.28201.99242.07792.07793.22222.53932.5393
O21.46542.28201.41243.22222.53932.53931.99242.07792.0779
C31.41242.28203.50111.09201.09531.09534.26793.82383.8238
C42.28201.41243.50114.26793.82383.82381.09201.09531.0953
H51.99243.22221.09204.26791.78981.78985.15344.44614.4461
H62.07792.53931.09533.82381.78981.79274.44614.02124.4028
H72.07792.53931.09533.82381.78981.79274.44614.40284.0212
H83.22221.99244.26791.09205.15344.44614.44611.78981.7898
H92.53932.07793.82381.09534.44614.02124.40281.78981.7927
H102.53932.07793.82381.09534.44614.40284.02121.78981.7927

picture of dimethylperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 O2 C4 104.912 O1 C3 H5 104.690
O1 C3 H6 111.282 O1 C3 H7 111.282
O2 O1 C3 104.912 O2 C4 H8 104.690
O2 C4 H9 111.282 O2 C4 H10 111.282
H5 C3 H6 109.818 H5 C3 H7 109.818
H6 C3 H7 109.835 H8 C4 H9 109.818
H8 C4 H10 109.818 H9 C4 H10 109.835
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.247      
2 O -0.247      
3 C -0.071      
4 C -0.071      
5 H 0.114      
6 H 0.102      
7 H 0.102      
8 H 0.114      
9 H 0.102      
10 H 0.102      


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 -25.785 1.772 0.000
y 1.772 -18.750 0.000
z 0.000 0.000 -25.362
Traceless
 xyz
x -3.729 1.772 0.000
y 1.772 6.823 0.000
z 0.000 0.000 -3.094
Polar
3z2-r2-6.189
x2-y2-7.035
xy1.772
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.490 0.280 0.000
y 0.280 6.899 0.000
z 0.000 0.000 4.186


<r2> (average value of r2) Å2
<r2> 92.579
(<r2>)1/2 9.622