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All results from a given calculation for CH3OOCH3 (dimethylperoxide)

using model chemistry: B1B95/aug-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 B1B95/aug-cc-pVDZ
 hartrees
Energy at 0K-230.088639
Energy at 298.15K-230.095635
Nuclear repulsion energy134.562240
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 B1B95/aug-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 3168 3034 0.00      
2 Ag 3044 2916 0.00      
3 Ag 1491 1428 0.00      
4 Ag 1425 1365 0.00      
5 Ag 1269 1216 0.00      
6 Ag 1098 1052 0.00      
7 Ag 870 833 0.00      
8 Ag 488 468 0.00      
9 Au 3121 2990 77.49      
10 Au 1432 1372 15.74      
11 Au 1160 1112 1.82      
12 Au 201 192 2.77      
13 Au 43 41 10.70      
14 Bg 3121 2990 0.00      
15 Bg 1431 1371 0.00      
16 Bg 1165 1116 0.00      
17 Bg 253 243 0.00      
18 Bu 3168 3035 24.96      
19 Bu 3041 2913 103.75      
20 Bu 1483 1421 25.02      
21 Bu 1415 1356 3.18      
22 Bu 1163 1114 23.25      
23 Bu 1088 1042 99.41      
24 Bu 302 289 11.36      

Unscaled Zero Point Vibrational Energy (zpe) 18219.6 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 17452.6 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 B1B95/aug-cc-pVDZ
ABC
1.06659 0.15490 0.14272

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVDZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.434 0.576 0.000
O2 0.434 -0.576 0.000
C3 0.434 1.679 0.000
C4 -0.434 -1.679 0.000
H5 -0.223 2.554 0.000
H6 1.064 1.686 0.899
H7 1.064 1.686 -0.899
H8 0.223 -2.554 0.000
H9 -1.064 -1.686 0.899
H10 -1.064 -1.686 -0.899

Atom - Atom Distances (Å)
  O1 O2 C3 C4 H5 H6 H7 H8 H9 H10
O11.44281.40432.25491.98912.07082.07083.19792.51462.5146
O21.44282.25491.40433.19792.51462.51461.98912.07082.0708
C31.40432.25493.46871.09441.09781.09784.23803.79223.7922
C42.25491.40433.46874.23803.79223.79221.09441.09781.0978
H51.98913.19791.09444.23801.79401.79405.12694.41524.4152
H62.07082.51461.09783.79221.79401.79834.41523.98834.3750
H72.07082.51461.09783.79221.79401.79834.41524.37503.9883
H83.19791.98914.23801.09445.12694.41524.41521.79401.7940
H92.51462.07083.79221.09784.41523.98834.37501.79401.7983
H102.51462.07083.79221.09784.41524.37503.98831.79401.7983

picture of dimethylperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 O2 C4 104.738 O1 C3 H5 104.829
O1 C3 H6 111.115 O1 C3 H7 111.115
O2 O1 C3 104.738 O2 C4 H8 104.829
O2 C4 H9 111.115 O2 C4 H10 111.115
H5 C3 H6 109.843 H5 C3 H7 109.843
H6 C3 H7 109.979 H8 C4 H9 109.843
H8 C4 H10 109.843 H9 C4 H10 109.979
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.390      
2 O -0.390      
3 C 1.077      
4 C 1.077      
5 H -0.293      
6 H -0.197      
7 H -0.197      
8 H -0.293      
9 H -0.197      
10 H -0.197      


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 -25.936 1.546 0.000
y 1.546 -19.235 0.000
z 0.000 0.000 -25.403
Traceless
 xyz
x -3.617 1.546 0.000
y 1.546 6.435 0.000
z 0.000 0.000 -2.818
Polar
3z2-r2-5.636
x2-y2-6.701
xy1.546
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.389 0.349 0.000
y 0.349 7.698 0.000
z 0.000 0.000 5.042


<r2> (average value of r2) Å2
<r2> 91.398
(<r2>)1/2 9.560