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All results from a given calculation for CH3OOCH3 (dimethylperoxide)

using model chemistry: B3LYP/SDD

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/SDD
 hartrees
Energy at 0K-230.147641
Energy at 298.15K-230.154473
Nuclear repulsion energy130.254689
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/SDD
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 3160 3037 0.00      
2 Ag 3040 2922 0.00      
3 Ag 1531 1472 0.00      
4 Ag 1459 1402 0.00      
5 Ag 1231 1184 0.00      
6 Ag 1022 983 0.00      
7 Ag 803 772 0.00      
8 Ag 451 433 0.00      
9 Au 3137 3015 112.27      
10 Au 1476 1419 21.85      
11 Au 1150 1106 0.11      
12 Au 190 182 4.54      
13 Au 49 47 18.96      
14 Bg 3135 3014 0.00      
15 Bg 1476 1419 0.00      
16 Bg 1151 1107 0.00      
17 Bg 235 226 0.00      
18 Bu 3159 3037 46.47      
19 Bu 3037 2919 95.46      
20 Bu 1525 1466 31.57      
21 Bu 1450 1394 0.01      
22 Bu 1151 1106 4.90      
23 Bu 1000 961 75.05      
24 Bu 278 267 16.69      

Unscaled Zero Point Vibrational Energy (zpe) 18147.3 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 17445.0 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/SDD
ABC
0.99933 0.14426 0.13253

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.456 0.609 0.000
O2 0.456 -0.609 0.000
C3 0.456 1.742 0.000
C4 -0.456 -1.742 0.000
H5 -0.200 2.620 0.000
H6 1.085 1.738 0.900
H7 1.085 1.738 -0.900
H8 0.200 -2.620 0.000
H9 -1.085 -1.738 0.900
H10 -1.085 -1.738 -0.900

Atom - Atom Distances (Å)
  O1 O2 C3 C4 H5 H6 H7 H8 H9 H10
O11.52231.45512.35112.02732.11152.11153.29512.59072.5907
O21.52232.35111.45513.29512.59072.59072.02732.11152.1115
C31.45512.35113.60181.09631.09711.09714.36963.91083.9108
C42.35111.45513.60184.36963.91083.91081.09631.09711.0971
H52.02733.29511.09634.36961.79931.79935.25534.53694.5369
H62.11152.59071.09713.91081.79931.79914.53694.09714.4747
H72.11152.59071.09713.91081.79931.79914.53694.47474.0971
H83.29512.02734.36961.09635.25534.53694.53691.79931.7993
H92.59072.11153.91081.09714.53694.09714.47471.79931.7991
H102.59072.11153.91081.09714.53694.47474.09711.79931.7991

picture of dimethylperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 O2 C4 104.286 O1 C3 H5 104.351
O1 C3 H6 110.869 O1 C3 H7 110.869
O2 O1 C3 104.286 O2 C4 H8 104.351
O2 C4 H9 110.869 O2 C4 H10 110.869
H5 C3 H6 110.236 H5 C3 H7 110.236
H6 C3 H7 110.152 H8 C4 H9 110.236
H8 C4 H10 110.236 H9 C4 H10 110.152
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.216      
2 O -0.216      
3 C -0.419      
4 C -0.419      
5 H 0.211      
6 H 0.212      
7 H 0.212      
8 H 0.211      
9 H 0.212      
10 H 0.212      


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 -25.611 2.602 0.000
y 2.602 -16.948 0.000
z 0.000 0.000 -24.948
Traceless
 xyz
x -4.664 2.602 0.000
y 2.602 8.332 0.000
z 0.000 0.000 -3.668
Polar
3z2-r2-7.336
x2-y2-8.664
xy2.602
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.999 0.013 0.000
y 0.013 6.598 0.000
z 0.000 0.000 3.489


<r2> (average value of r2) Å2
<r2> 96.074
(<r2>)1/2 9.802