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All results from a given calculation for CH3OOCH3 (dimethylperoxide)

using model chemistry: B1B95/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B1B95/6-311G**
 hartrees
Energy at 0K-230.118078
Energy at 298.15K-230.125069
Nuclear repulsion energy134.826009
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 B1B95/6-311G**
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 3156 3030 0.00      
2 Ag 3036 2915 0.00      
3 Ag 1524 1463 0.00      
4 Ag 1455 1397 0.00      
5 Ag 1281 1230 0.00      
6 Ag 1107 1062 0.00      
7 Ag 870 836 0.00      
8 Ag 491 472 0.00      
9 Au 3103 2979 98.28      
10 Au 1458 1400 14.73      
11 Au 1178 1131 1.72      
12 Au 204 196 3.32      
13 Au 26 25 11.32      
14 Bg 3103 2979 0.00      
15 Bg 1457 1399 0.00      
16 Bg 1184 1137 0.00      
17 Bg 262 252 0.00      
18 Bu 3155 3030 31.79      
19 Bu 3032 2911 100.28      
20 Bu 1516 1456 26.02      
21 Bu 1446 1389 3.78      
22 Bu 1180 1133 16.80      
23 Bu 1092 1049 112.58      
24 Bu 302 290 11.31      

Unscaled Zero Point Vibrational Energy (zpe) 18309.8 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 17579.2 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 B1B95/6-311G**
ABC
1.07254 0.15534 0.14311

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.434 0.576 0.000
O2 0.434 -0.576 0.000
C3 0.434 1.677 0.000
C4 -0.434 -1.677 0.000
H5 -0.219 2.548 0.000
H6 1.062 1.685 0.894
H7 1.062 1.685 -0.894
H8 0.219 -2.548 0.000
H9 -1.062 -1.685 0.894
H10 -1.062 -1.685 -0.894

Atom - Atom Distances (Å)
  O1 O2 C3 C4 H5 H6 H7 H8 H9 H10
O11.44221.40132.25271.98392.06562.06563.19182.51122.5112
O21.44222.25271.40133.19182.51122.51121.98392.06562.0656
C31.40132.25273.46361.08911.09281.09284.23043.78643.7864
C42.25271.40133.46364.23043.78643.78641.08911.09281.0928
H51.98393.19181.08914.23041.78501.78505.11544.40804.4080
H62.06562.51121.09283.78641.78501.78794.40803.98374.3665
H72.06562.51121.09283.78641.78501.78794.40804.36653.9837
H83.19181.98394.23041.08915.11544.40804.40801.78501.7850
H92.51122.06563.78641.09284.40803.98374.36651.78501.7879
H102.51122.06563.78641.09284.40804.36653.98371.78501.7879

picture of dimethylperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 O2 C4 104.776 O1 C3 H5 104.927
O1 C3 H6 111.226 O1 C3 H7 111.226
O2 O1 C3 104.776 O2 C4 H8 104.927
O2 C4 H9 111.226 O2 C4 H10 111.226
H5 C3 H6 109.794 H5 C3 H7 109.794
H6 C3 H7 109.770 H8 C4 H9 109.794
H8 C4 H10 109.794 H9 C4 H10 109.770
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.244      
2 O -0.244      
3 C -0.114      
4 C -0.114      
5 H 0.127      
6 H 0.116      
7 H 0.116      
8 H 0.127      
9 H 0.116      
10 H 0.116      


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 -25.581 1.744 0.000
y 1.744 -18.618 0.000
z 0.000 0.000 -25.118
Traceless
 xyz
x -3.713 1.744 0.000
y 1.744 6.732 0.000
z 0.000 0.000 -3.019
Polar
3z2-r2-6.037
x2-y2-6.963
xy1.744
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.414 0.245 0.000
y 0.245 6.646 0.000
z 0.000 0.000 4.140


<r2> (average value of r2) Å2
<r2> 90.890
(<r2>)1/2 9.534