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All results from a given calculation for CH3OOCH3 (dimethylperoxide)

using model chemistry: PBEPBE/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 PBEPBE/6-31G*
 hartrees
Energy at 0K-229.890614
Energy at 298.15K-229.897460
Nuclear repulsion energy132.721237
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/6-31G*
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 3068 3024 0.00      
2 Ag 2948 2906 0.00      
3 Ag 1505 1483 0.00      
4 Ag 1421 1401 0.00      
5 Ag 1239 1221 0.00      
6 Ag 1029 1014 0.00      
7 Ag 802 790 0.00      
8 Ag 468 461 0.00      
9 Au 3006 2963 110.92      
10 Au 1431 1411 9.97      
11 Au 1149 1132 0.40      
12 Au 208 205 4.16      
13 Au 8 8 9.38      
14 Bg 3006 2963 0.00      
15 Bg 1430 1410 0.00      
16 Bg 1155 1138 0.00      
17 Bg 266 263 0.00      
18 Bu 3068 3024 29.53      
19 Bu 2944 2902 109.56      
20 Bu 1497 1475 30.96      
21 Bu 1411 1391 4.66      
22 Bu 1141 1124 17.22      
23 Bu 1047 1032 78.64      
24 Bu 293 288 11.09      

Unscaled Zero Point Vibrational Energy (zpe) 17768.9 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 17514.8 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 PBEPBE/6-31G*
ABC
1.02113 0.15140 0.13902

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.446 0.596 0.000
O2 0.446 -0.596 0.000
C3 0.446 1.693 0.000
C4 -0.446 -1.693 0.000
H5 -0.212 2.578 0.000
H6 1.085 1.706 0.905
H7 1.085 1.706 -0.905
H8 0.212 -2.578 0.000
H9 -1.085 -1.706 0.905
H10 -1.085 -1.706 -0.905

Atom - Atom Distances (Å)
  O1 O2 C3 C4 H5 H6 H7 H8 H9 H10
O11.48931.41402.28901.99542.09612.09613.24162.55442.5544
O21.48932.28901.41403.24162.55442.55441.99542.09612.0961
C31.41402.28903.50141.10311.10741.10744.27713.83583.8358
C42.28901.41403.50144.27713.83583.83581.10311.10741.1074
H51.99543.24161.10314.27711.80601.80605.17314.46414.4641
H62.09612.55441.10743.83581.80601.80934.46414.04304.4294
H72.09612.55441.10743.83581.80601.80934.46414.42944.0430
H83.24161.99544.27711.10315.17314.46414.46411.80601.8060
H92.55442.09613.83581.10744.46414.04304.42941.80601.8093
H102.55442.09613.83581.10744.46414.42944.04301.80601.8093

picture of dimethylperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 O2 C4 104.053 O1 C3 H5 104.204
O1 C3 H6 111.899 O1 C3 H7 111.899
O2 O1 C3 104.053 O2 C4 H8 104.204
O2 C4 H9 111.899 O2 C4 H10 111.899
H5 C3 H6 109.572 H5 C3 H7 109.572
H6 C3 H7 109.553 H8 C4 H9 109.572
H8 C4 H10 109.572 H9 C4 H10 109.553
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.256      
2 O -0.256      
3 C -0.235      
4 C -0.235      
5 H 0.174      
6 H 0.159      
7 H 0.159      
8 H 0.174      
9 H 0.159      
10 H 0.159      


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 -25.314 1.533 0.000
y 1.533 -18.634 0.000
z 0.000 0.000 -25.147
Traceless
 xyz
x -3.424 1.533 0.000
y 1.533 6.597 0.000
z 0.000 0.000 -3.173
Polar
3z2-r2-6.346
x2-y2-6.680
xy1.533
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.332 0.329 0.000
y 0.329 6.895 0.000
z 0.000 0.000 4.022


<r2> (average value of r2) Å2
<r2> 93.037
(<r2>)1/2 9.646