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All results from a given calculation for CH3OOCH3 (dimethylperoxide)

using model chemistry: HF/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 HF/SDD
 hartrees
Energy at 0K-228.785570
Energy at 298.15K-228.792659
Nuclear repulsion energy133.092576
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 HF/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 3349 3016 0.00      
2 Ag 3236 2914 0.00      
3 Ag 1661 1496 0.00      
4 Ag 1597 1438 0.00      
5 Ag 1363 1227 0.00      
6 Ag 1220 1099 0.00      
7 Ag 925 833 0.00      
8 Ag 505 455 0.00      
9 Au 3334 3002 120.16      
10 Au 1626 1464 17.70      
11 Au 1266 1140 2.24      
12 Au 196 177 4.10      
13 Au 59 53 24.25      
14 Bg 3332 3000 0.00      
15 Bg 1626 1464 0.00      
16 Bg 1268 1141 0.00      
17 Bg 244 219 0.00      
18 Bu 3349 3015 63.21      
19 Bu 3232 2910 121.63      
20 Bu 1656 1491 25.53      
21 Bu 1585 1427 9.68      
22 Bu 1274 1147 2.76      
23 Bu 1110 1000 187.02      
24 Bu 304 274 15.93      

Unscaled Zero Point Vibrational Energy (zpe) 19658.6 cm-1
Scaled (by 0.9004) Zero Point Vibrational Energy (zpe) 17700.6 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 HF/SDD
ABC
1.09261 0.14821 0.13724

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.431 0.579 0.000
O2 0.431 -0.579 0.000
C3 0.431 1.728 0.000
C4 -0.431 -1.728 0.000
H5 -0.232 2.581 0.000
H6 1.049 1.729 0.886
H7 1.049 1.729 -0.886
H8 0.232 -2.581 0.000
H9 -1.049 -1.729 0.886
H10 -1.049 -1.729 -0.886

Atom - Atom Distances (Å)
  O1 O2 C3 C4 H5 H6 H7 H8 H9 H10
O11.44341.43652.30732.01192.07352.07353.22872.54882.5488
O21.44342.30731.43653.22872.54882.54882.01192.07352.0735
C31.43652.30733.56241.07981.08071.08074.31393.86413.8641
C42.30731.43653.56244.31393.86413.86411.07981.08071.0807
H52.01193.22871.07984.31391.77521.77525.18274.47584.4758
H62.07352.54881.08073.86411.77521.77274.47584.04554.4168
H72.07352.54881.08073.86411.77521.77274.47584.41684.0455
H83.22872.01194.31391.07985.18274.47584.47581.77521.7752
H92.54882.07353.86411.08074.47584.04554.41681.77521.7727
H102.54882.07353.86411.08074.47584.41684.04551.77521.7727

picture of dimethylperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 O2 C4 106.485 O1 C3 H5 105.294
O1 C3 H6 110.120 O1 C3 H7 110.120
O2 O1 C3 106.485 O2 C4 H8 105.294
O2 C4 H9 110.120 O2 C4 H10 110.120
H5 C3 H6 110.503 H5 C3 H7 110.503
H6 C3 H7 110.200 H8 C4 H9 110.503
H8 C4 H10 110.503 H9 C4 H10 110.200
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.305      
2 O -0.305      
3 C -0.287      
4 C -0.287      
5 H 0.192      
6 H 0.200      
7 H 0.200      
8 H 0.192      
9 H 0.200      
10 H 0.200      


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 -26.171 2.831 0.000
y 2.831 -17.081 0.000
z 0.000 0.000 -25.031
Traceless
 xyz
x -5.115 2.831 0.000
y 2.831 8.521 0.000
z 0.000 0.000 -3.406
Polar
3z2-r2-6.811
x2-y2-9.090
xy2.831
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.723 -0.237 0.000
y -0.237 6.083 0.000
z 0.000 0.000 3.307


<r2> (average value of r2) Å2
<r2> 93.560
(<r2>)1/2 9.673