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All results from a given calculation for CH3OOCH3 (dimethylperoxide)

using model chemistry: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-230.113567
Energy at 298.15K-230.120605
Nuclear repulsion energy134.381331
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 mPW1PW91/6-31+G**
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 3171 3018 0.00      
2 Ag 3050 2903 0.00      
3 Ag 1527 1454 0.00      
4 Ag 1461 1391 0.00      
5 Ag 1281 1219 0.00      
6 Ag 1108 1054 0.00      
7 Ag 874 832 0.00      
8 Ag 495 472 0.00      
9 Au 3125 2975 80.10      
10 Au 1470 1399 16.00      
11 Au 1181 1124 1.67      
12 Au 210 200 4.16      
13 Au 42 40 12.91      
14 Bg 3125 2974 0.00      
15 Bg 1469 1398 0.00      
16 Bg 1185 1128 0.00      
17 Bg 266 253 0.00      
18 Bu 3171 3018 24.97      
19 Bu 3047 2900 102.43      
20 Bu 1520 1447 27.21      
21 Bu 1452 1382 2.39      
22 Bu 1180 1123 16.12      
23 Bu 1093 1040 107.20      
24 Bu 308 293 12.94      

Unscaled Zero Point Vibrational Energy (zpe) 18405.2 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 17518.1 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 mPW1PW91/6-31+G**
ABC
1.06801 0.15412 0.14204

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.434 0.578 0.000
O2 0.434 -0.578 0.000
C3 0.434 1.684 0.000
C4 -0.434 -1.684 0.000
H5 -0.225 2.554 0.000
H6 1.063 1.694 0.897
H7 1.063 1.694 -0.897
H8 0.225 -2.554 0.000
H9 -1.063 -1.694 0.897
H10 -1.063 -1.694 -0.897

Atom - Atom Distances (Å)
  O1 O2 C3 C4 H5 H6 H7 H8 H9 H10
O11.44661.40622.26201.98692.07142.07143.20092.52222.5222
O21.44662.26201.40623.20092.52222.52221.98692.07142.0714
C31.40622.26203.47791.09181.09511.09514.24303.80193.8019
C42.26201.40623.47794.24303.80193.80191.09181.09511.0951
H51.98693.20091.09184.24301.78951.78955.12784.42164.4216
H62.07142.52221.09513.80191.78951.79394.42163.99924.3831
H72.07142.52221.09513.80191.78951.79394.42164.38313.9992
H83.20091.98694.24301.09185.12784.42164.42161.78951.7895
H92.52222.07143.80191.09514.42163.99924.38311.78951.7939
H102.52222.07143.80191.09514.42164.38313.99921.78951.7939

picture of dimethylperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 O2 C4 104.911 O1 C3 H5 104.678
O1 C3 H6 111.205 O1 C3 H7 111.205
O2 O1 C3 104.911 O2 C4 H8 104.678
O2 C4 H9 111.205 O2 C4 H10 111.205
H5 C3 H6 109.825 H5 C3 H7 109.825
H6 C3 H7 109.979 H8 C4 H9 109.825
H8 C4 H10 109.825 H9 C4 H10 109.979
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.191      
2 O -0.191      
3 C -0.304      
4 C -0.304      
5 H 0.169      
6 H 0.163      
7 H 0.163      
8 H 0.169      
9 H 0.163      
10 H 0.163      


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 -25.981 1.867 0.000
y 1.867 -18.556 0.000
z 0.000 0.000 -25.419
Traceless
 xyz
x -3.994 1.867 0.000
y 1.867 7.145 0.000
z 0.000 0.000 -3.151
Polar
3z2-r2-6.302
x2-y2-7.426
xy1.867
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.799 0.198 0.000
y 0.198 6.889 0.000
z 0.000 0.000 4.529


<r2> (average value of r2) Å2
<r2> 91.581
(<r2>)1/2 9.570