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All results from a given calculation for CH3OOCH3 (dimethylperoxide)

using model chemistry: B3LYP/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 B3LYP/6-31G(2df,p)
 hartrees
Energy at 0K-230.180515
Energy at 298.15K-230.187459
Nuclear repulsion energy133.918988
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/6-31G(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 3118 3009 0.00      
2 Ag 3007 2902 0.00      
3 Ag 1522 1469 0.00      
4 Ag 1455 1404 0.00      
5 Ag 1272 1227 0.00      
6 Ag 1079 1041 0.00      
7 Ag 855 825 0.00      
8 Ag 487 470 0.00      
9 Au 3067 2960 92.22      
10 Au 1458 1407 8.96      
11 Au 1177 1136 2.05      
12 Au 205 198 2.80      
13 Au 14 13 9.04      
14 Bg 3067 2960 0.00      
15 Bg 1457 1406 0.00      
16 Bg 1183 1142 0.00      
17 Bg 262 252 0.00      
18 Bu 3118 3009 30.53      
19 Bu 3004 2899 96.36      
20 Bu 1514 1461 25.32      
21 Bu 1443 1393 7.95      
22 Bu 1174 1133 12.33      
23 Bu 1066 1029 101.94      
24 Bu 304 294 10.19      

Unscaled Zero Point Vibrational Energy (zpe) 18153.6 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 17518.2 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 B3LYP/6-31G(2df,p)
ABC
1.05773 0.15320 0.14107

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.437 0.584 0.000
O2 0.437 -0.584 0.000
C3 0.437 1.687 0.000
C4 -0.437 -1.687 0.000
H5 -0.217 2.564 0.000
H6 1.071 1.699 0.896
H7 1.071 1.699 -0.896
H8 0.217 -2.564 0.000
H9 -1.071 -1.699 0.896
H10 -1.071 -1.699 -0.896

Atom - Atom Distances (Å)
  O1 O2 C3 C4 H5 H6 H7 H8 H9 H10
O11.45831.40792.27051.99272.07872.07873.21472.53262.5326
O21.45832.27051.40793.21472.53262.53261.99272.07872.0787
C31.40792.27053.48551.09381.09741.09744.25673.81343.8134
C42.27051.40793.48554.25673.81343.81341.09381.09741.0974
H51.99273.21471.09384.25671.79111.79115.14624.43914.4391
H62.07872.53261.09743.81341.79111.79194.43914.01654.3981
H72.07872.53261.09743.81341.79111.79194.43914.39814.0165
H83.21471.99274.25671.09385.14624.43914.43911.79111.7911
H92.53262.07873.81341.09744.43914.01654.39811.79111.7919
H102.53262.07873.81341.09744.43914.39814.01651.79111.7919

picture of dimethylperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 O2 C4 104.768 O1 C3 H5 104.907
O1 C3 H6 111.537 O1 C3 H7 111.537
O2 O1 C3 104.768 O2 C4 H8 104.907
O2 C4 H9 111.537 O2 C4 H10 111.537
H5 C3 H6 109.652 H5 C3 H7 109.652
H6 C3 H7 109.457 H8 C4 H9 109.652
H8 C4 H10 109.652 H9 C4 H10 109.457
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.174      
2 O -0.174      
3 C -0.196      
4 C -0.196      
5 H 0.133      
6 H 0.119      
7 H 0.119      
8 H 0.133      
9 H 0.119      
10 H 0.119      


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 -25.231 1.486 0.000
y 1.486 -18.950 0.000
z 0.000 0.000 -24.872
Traceless
 xyz
x -3.320 1.486 0.000
y 1.486 6.102 0.000
z 0.000 0.000 -2.782
Polar
3z2-r2-5.563
x2-y2-6.281
xy1.486
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.398 0.263 0.000
y 0.263 6.847 0.000
z 0.000 0.000 4.164


<r2> (average value of r2) Å2
<r2> 91.914
(<r2>)1/2 9.587