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All results from a given calculation for CH3OOCH3 (dimethylperoxide)

using model chemistry: LSDA/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at LSDA/cc-pVDZ
 hartrees
Energy at 0K-228.996556
Energy at 298.15K-229.003436
Nuclear repulsion energy134.824278
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 LSDA/cc-pVDZ
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 3073 3039 0.00      
2 Ag 2919 2886 0.00      
3 Ag 1430 1415 0.00      
4 Ag 1350 1335 0.00      
5 Ag 1238 1224 0.00      
6 Ag 1067 1055 0.00      
7 Ag 845 835 0.00      
8 Ag 482 477 0.00      
9 Au 2983 2950 90.04      
10 Au 1342 1327 20.23      
11 Au 1114 1102 0.25      
12 Au 208 205 3.86      
13 Au 3 3 7.85      
14 Bg 2982 2950 0.00      
15 Bg 1339 1325 0.00      
16 Bg 1125 1113 0.00      
17 Bg 269 266 0.00      
18 Bu 3072 3039 10.78      
19 Bu 2913 2881 109.77      
20 Bu 1421 1405 36.07      
21 Bu 1341 1326 1.02      
22 Bu 1131 1119 84.22      
23 Bu 1084 1072 26.43      
24 Bu 297 294 11.55      

Unscaled Zero Point Vibrational Energy (zpe) 17514.0 cm-1
Scaled (by 0.989) Zero Point Vibrational Energy (zpe) 17321.3 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 LSDA/cc-pVDZ
ABC
1.05075 0.15702 0.14439

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/cc-pVDZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.435 0.578 0.000
O2 0.435 -0.578 0.000
C3 0.435 1.660 0.000
C4 -0.435 -1.660 0.000
H5 -0.223 2.554 0.000
H6 1.082 1.676 0.909
H7 1.082 1.676 -0.909
H8 0.223 -2.554 0.000
H9 -1.082 -1.676 0.909
H10 -1.082 -1.676 -0.909

Atom - Atom Distances (Å)
  O1 O2 C3 C4 H5 H6 H7 H8 H9 H10
O11.44701.38852.23871.98672.08172.08173.19992.51552.5155
O21.44702.23871.38853.19992.51552.51551.98672.08172.0817
C31.38852.23873.43301.10891.11581.11584.21933.77653.7765
C42.23871.38853.43304.21933.77653.77651.10891.11581.1158
H51.98673.19991.10894.21931.81591.81595.12644.41094.4109
H62.08172.51551.11583.77651.81591.81714.41093.99084.3850
H72.08172.51551.11583.77651.81591.81714.41094.38503.9908
H83.19991.98674.21931.10895.12644.41094.41091.81591.8159
H92.51552.08173.77651.11584.41093.99084.38501.81591.8171
H102.51552.08173.77651.11584.41094.38503.99081.81591.8171

picture of dimethylperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 O2 C4 104.265 O1 C3 H5 104.856
O1 C3 H6 111.999 O1 C3 H7 111.999
O2 O1 C3 104.265 O2 C4 H8 104.856
O2 C4 H9 111.999 O2 C4 H10 111.999
H5 C3 H6 109.424 H5 C3 H7 109.424
H6 C3 H7 109.034 H8 C4 H9 109.424
H8 C4 H10 109.424 H9 C4 H10 109.034
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.173      
2 O -0.173      
3 C -0.031      
4 C -0.031      
5 H 0.083      
6 H 0.060      
7 H 0.060      
8 H 0.083      
9 H 0.060      
10 H 0.060      


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 -25.619 1.310 0.000
y 1.310 -19.126 0.000
z 0.000 0.000 -25.371
Traceless
 xyz
x -3.370 1.310 0.000
y 1.310 6.369 0.000
z 0.000 0.000 -2.998
Polar
3z2-r2-5.997
x2-y2-6.493
xy1.310
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.565 0.480 0.000
y 0.480 7.048 0.000
z 0.000 0.000 4.295


<r2> (average value of r2) Å2
<r2> 90.696
(<r2>)1/2 9.523