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All results from a given calculation for CH3OOCH3 (dimethylperoxide)

using model chemistry: PBEPBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-229.909486
Energy at 298.15K-229.916327
Nuclear repulsion energy133.093290
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 PBEPBE/6-31G(2df,p)
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 3055 3024 0.00      
2 Ag 2931 2900 0.00      
3 Ag 1474 1459 0.00      
4 Ag 1396 1381 0.00      
5 Ag 1230 1218 0.00      
6 Ag 1022 1012 0.00      
7 Ag 808 800 0.00      
8 Ag 468 463 0.00      
9 Au 2990 2959 96.96      
10 Au 1399 1385 9.95      
11 Au 1137 1125 0.88      
12 Au 203 201 3.24      
13 Au 9 9 7.88      
14 Bg 2990 2959 0.00      
15 Bg 1397 1383 0.00      
16 Bg 1143 1131 0.00      
17 Bg 260 257 0.00      
18 Bu 3055 3024 24.19      
19 Bu 2927 2896 104.73      
20 Bu 1466 1451 28.85      
21 Bu 1385 1371 3.73      
22 Bu 1130 1119 19.51      
23 Bu 1039 1029 73.75      
24 Bu 292 289 10.14      

Unscaled Zero Point Vibrational Energy (zpe) 17602.2 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 17420.9 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 PBEPBE/6-31G(2df,p)
ABC
1.03067 0.15211 0.13978

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.443 0.592 0.000
O2 0.443 -0.592 0.000
C3 0.443 1.689 0.000
C4 -0.443 -1.689 0.000
H5 -0.213 2.575 0.000
H6 1.083 1.704 0.903
H7 1.083 1.704 -0.903
H8 0.213 -2.575 0.000
H9 -1.083 -1.704 0.903
H10 -1.083 -1.704 -0.903

Atom - Atom Distances (Å)
  O1 O2 C3 C4 H5 H6 H7 H8 H9 H10
O11.48011.41042.28171.99582.09292.09293.23472.54912.5491
O21.48012.28171.41043.23472.54912.54911.99582.09292.0929
C31.41042.28173.49281.10231.10681.10684.27033.82853.8285
C42.28171.41043.49284.27033.82853.82851.10231.10681.1068
H51.99583.23471.10234.27031.80371.80375.16744.45874.4587
H62.09292.54911.10683.82851.80371.80664.45874.03754.4232
H72.09292.54911.10683.82851.80371.80664.45874.42324.0375
H83.23471.99584.27031.10235.16744.45874.45871.80371.8037
H92.54912.09293.82851.10684.45874.03754.42321.80371.8066
H102.54912.09293.82851.10684.45874.42324.03751.80371.8066

picture of dimethylperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 O2 C4 104.232 O1 C3 H5 104.510
O1 C3 H6 111.932 O1 C3 H7 111.932
O2 O1 C3 104.232 O2 C4 H8 104.510
O2 C4 H9 111.932 O2 C4 H10 111.932
H5 C3 H6 109.467 H5 C3 H7 109.467
H6 C3 H7 109.401 H8 C4 H9 109.467
H8 C4 H10 109.467 H9 C4 H10 109.401
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.155      
2 O -0.155      
3 C -0.240      
4 C -0.240      
5 H 0.144      
6 H 0.126      
7 H 0.126      
8 H 0.144      
9 H 0.126      
10 H 0.126      


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 -25.213 1.331 0.000
y 1.331 -19.061 0.000
z 0.000 0.000 -24.977
Traceless
 xyz
x -3.194 1.331 0.000
y 1.331 6.034 0.000
z 0.000 0.000 -2.840
Polar
3z2-r2-5.679
x2-y2-6.152
xy1.331
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.573 0.385 0.000
y 0.385 7.225 0.000
z 0.000 0.000 4.317


<r2> (average value of r2) Å2
<r2> 92.696
(<r2>)1/2 9.628