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All results from a given calculation for CH3OOCH3 (dimethylperoxide)

using model chemistry: PBEPBE/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at PBEPBE/6-311G**
 hartrees
Energy at 0K-229.956725
Energy at 298.15K-229.963578
Nuclear repulsion energy132.662264
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 PBEPBE/6-311G**
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 3049 3022 0.00      
2 Ag 2929 2903 0.00      
3 Ag 1471 1458 0.00      
4 Ag 1395 1382 0.00      
5 Ag 1224 1213 0.00      
6 Ag 1006 997 0.00      
7 Ag 779 772 0.00      
8 Ag 464 460 0.00      
9 Au 2987 2959 113.82      
10 Au 1395 1382 14.75      
11 Au 1132 1122 0.74      
12 Au 204 202 3.78      
13 Au 21 21 9.66      
14 Bg 2986 2959 0.00      
15 Bg 1393 1380 0.00      
16 Bg 1138 1128 0.00      
17 Bg 259 257 0.00      
18 Bu 3049 3021 28.44      
19 Bu 2925 2899 114.06      
20 Bu 1464 1450 30.55      
21 Bu 1387 1374 1.40      
22 Bu 1127 1117 18.16      
23 Bu 1026 1016 81.68      
24 Bu 289 287 11.37      

Unscaled Zero Point Vibrational Energy (zpe) 17549.0 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 17389.3 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 PBEPBE/6-311G**
ABC
1.02652 0.15077 0.13858

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.445 0.598 0.000
O2 0.445 -0.598 0.000
C3 0.445 1.697 0.000
C4 -0.445 -1.697 0.000
H5 -0.214 2.579 0.000
H6 1.080 1.709 0.904
H7 1.080 1.709 -0.904
H8 0.214 -2.579 0.000
H9 -1.080 -1.709 0.904
H10 -1.080 -1.709 -0.904

Atom - Atom Distances (Å)
  O1 O2 C3 C4 H5 H6 H7 H8 H9 H10
O11.49091.41402.29561.99442.09192.09193.24502.55822.5582
O21.49092.29561.41403.24502.55822.55821.99442.09192.0919
C31.41402.29563.50931.10071.10481.10484.28283.84013.8401
C42.29561.41403.50934.28283.84013.84011.10071.10481.1048
H51.99443.24501.10074.28281.80231.80235.17614.46734.4673
H62.09192.55821.10483.84011.80231.80774.46734.04354.4292
H72.09192.55821.10483.84011.80231.80774.46734.42924.0435
H83.24501.99444.28281.10075.17614.46734.46731.80231.8023
H92.55822.09193.84011.10484.46734.04354.42921.80231.8077
H102.55822.09193.84011.10484.46734.42924.04351.80231.8077

picture of dimethylperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 O2 C4 104.388 O1 C3 H5 104.260
O1 C3 H6 111.714 O1 C3 H7 111.714
O2 O1 C3 104.388 O2 C4 H8 104.260
O2 C4 H9 111.714 O2 C4 H10 111.714
H5 C3 H6 109.605 H5 C3 H7 109.605
H6 C3 H7 109.793 H8 C4 H9 109.605
H8 C4 H10 109.605 H9 C4 H10 109.793
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.226      
2 O -0.226      
3 C -0.127      
4 C -0.127      
5 H 0.128      
6 H 0.113      
7 H 0.113      
8 H 0.128      
9 H 0.113      
10 H 0.113      


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 -25.813 1.605 0.000
y 1.605 -18.893 0.000
z 0.000 0.000 -25.523
Traceless
 xyz
x -3.604 1.605 0.000
y 1.605 6.774 0.000
z 0.000 0.000 -3.170
Polar
3z2-r2-6.341
x2-y2-6.919
xy1.605
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.714 0.429 0.000
y 0.429 7.346 0.000
z 0.000 0.000 4.376


<r2> (average value of r2) Å2
<r2> 93.473
(<r2>)1/2 9.668