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All results from a given calculation for CH3OOCH3 (dimethylperoxide)

using model chemistry: HSEh1PBE/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at HSEh1PBE/6-31G*
 hartrees
Energy at 0K-229.916675
Energy at 298.15K-229.923668
Nuclear repulsion energy134.585838
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 HSEh1PBE/6-31G*
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 3170 3015 0.00      
2 Ag 3051 2901 0.00      
3 Ag 1551 1475 0.00      
4 Ag 1478 1405 0.00      
5 Ag 1293 1230 0.00      
6 Ag 1122 1067 0.00      
7 Ag 882 839 0.00      
8 Ag 499 474 0.00      
9 Au 3120 2967 96.36      
10 Au 1489 1416 10.70      
11 Au 1192 1133 1.14      
12 Au 213 203 3.75      
13 Au 13 12 10.89      
14 Bg 3119 2966 0.00      
15 Bg 1488 1415 0.00      
16 Bg 1198 1139 0.00      
17 Bg 272 259 0.00      
18 Bu 3170 3015 31.78      
19 Bu 3047 2898 96.68      
20 Bu 1543 1468 26.01      
21 Bu 1467 1396 6.58      
22 Bu 1191 1133 15.61      
23 Bu 1107 1053 105.97      
24 Bu 310 294 11.29      

Unscaled Zero Point Vibrational Energy (zpe) 18490.9 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 17584.8 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 HSEh1PBE/6-31G*
ABC
1.06451 0.15510 0.14281

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.435 0.577 0.000
O2 0.435 -0.577 0.000
C3 0.435 1.677 0.000
C4 -0.435 -1.677 0.000
H5 -0.220 2.552 0.000
H6 1.068 1.688 0.897
H7 1.068 1.688 -0.897
H8 0.220 -2.552 0.000
H9 -1.068 -1.688 0.897
H10 -1.068 -1.688 -0.897

Atom - Atom Distances (Å)
  O1 O2 C3 C4 H5 H6 H7 H8 H9 H10
O11.44531.40272.25371.98692.07302.07303.19702.51662.5166
O21.44532.25371.40273.19702.51662.51661.98692.07302.0730
C31.40272.25373.46471.09361.09741.09744.23443.79263.7926
C42.25371.40273.46474.23443.79263.79261.09361.09741.0974
H51.98693.19701.09364.23441.79181.79185.12334.41594.4159
H62.07302.51661.09743.79261.79181.79334.41593.99454.3786
H72.07302.51661.09743.79261.79181.79334.41594.37863.9945
H83.19701.98694.23441.09365.12334.41594.41591.79181.7918
H92.51662.07303.79261.09744.41593.99454.37861.79181.7933
H102.51662.07303.79261.09744.41594.37863.99451.79181.7933

picture of dimethylperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 O2 C4 104.611 O1 C3 H5 104.813
O1 C3 H6 111.446 O1 C3 H7 111.446
O2 O1 C3 104.611 O2 C4 H8 104.813
O2 C4 H9 111.446 O2 C4 H10 111.446
H5 C3 H6 109.725 H5 C3 H7 109.725
H6 C3 H7 109.582 H8 C4 H9 109.725
H8 C4 H10 109.725 H9 C4 H10 109.582
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.281      
2 O -0.281      
3 C -0.244      
4 C -0.244      
5 H 0.184      
6 H 0.170      
7 H 0.170      
8 H 0.184      
9 H 0.170      
10 H 0.170      


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 -25.277 1.681 0.000
y 1.681 -18.462 0.000
z 0.000 0.000 -24.989
Traceless
 xyz
x -3.551 1.681 0.000
y 1.681 6.671 0.000
z 0.000 0.000 -3.119
Polar
3z2-r2-6.239
x2-y2-6.815
xy1.681
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.129 0.174 0.000
y 0.174 6.338 0.000
z 0.000 0.000 3.890


<r2> (average value of r2) Å2
<r2> 90.974
(<r2>)1/2 9.538