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All results from a given calculation for CH3OOCH3 (dimethylperoxide)

using model chemistry: HF/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 HF/aug-cc-pVDZ
 hartrees
Energy at 0K-228.863082
Energy at 298.15K-228.870286
Nuclear repulsion energy136.070194
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 HF/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 3282 2989 0.00      
2 Ag 3179 2895 0.00      
3 Ag 1611 1467 0.00      
4 Ag 1568 1428 0.00      
5 Ag 1387 1263 0.00      
6 Ag 1269 1155 0.00      
7 Ag 982 894 0.00      
8 Ag 539 491 0.00      
9 Au 3252 2961 97.70      
10 Au 1569 1429 13.36      
11 Au 1263 1150 5.61      
12 Au 222 202 2.39      
13 Au 21 19 12.62      
14 Bg 3251 2961 0.00      
15 Bg 1569 1428 0.00      
16 Bg 1268 1154 0.00      
17 Bg 278 253 0.00      
18 Bu 3283 2989 52.67      
19 Bu 3176 2892 119.70      
20 Bu 1605 1462 21.99      
21 Bu 1555 1416 15.93      
22 Bu 1276 1162 10.78      
23 Bu 1166 1062 184.21      
24 Bu 335 305 11.19      

Unscaled Zero Point Vibrational Energy (zpe) 19452.0 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 17713.0 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 HF/aug-cc-pVDZ
ABC
1.12536 0.15660 0.14506

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.419 0.556 0.000
O2 0.419 -0.556 0.000
C3 0.419 1.677 0.000
C4 -0.419 -1.677 0.000
H5 -0.244 2.539 0.000
H6 1.045 1.689 0.892
H7 1.045 1.689 -0.892
H8 0.244 -2.539 0.000
H9 -1.045 -1.689 0.892
H10 -1.045 -1.689 -0.892

Atom - Atom Distances (Å)
  O1 O2 C3 C4 H5 H6 H7 H8 H9 H10
O11.39331.39912.23291.98992.05502.05503.16522.49592.4959
O21.39332.23291.39913.16522.49592.49591.98992.05502.0550
C31.39912.23293.45621.08741.08991.08994.21873.77723.7772
C42.23291.39913.45624.21873.77723.77721.08741.08991.0899
H51.98993.16521.08744.21871.78281.78285.10054.39444.3944
H62.05502.49591.08993.77721.78281.78414.39443.97254.3548
H72.05502.49591.08993.77721.78281.78414.39444.35483.9725
H83.16521.98994.21871.08745.10054.39444.39441.78281.7828
H92.49592.05503.77721.08994.39443.97254.35481.78281.7841
H102.49592.05503.77721.08994.39444.35483.97251.78281.7841

picture of dimethylperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 O2 C4 106.191 O1 C3 H5 105.631
O1 C3 H6 110.695 O1 C3 H7 110.695
O2 O1 C3 106.191 O2 C4 H8 105.631
O2 C4 H9 110.695 O2 C4 H10 110.695
H5 C3 H6 109.935 H5 C3 H7 109.935
H6 C3 H7 109.874 H8 C4 H9 109.935
H8 C4 H10 109.935 H9 C4 H10 109.874
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.536      
2 O -0.536      
3 C 0.944      
4 C 0.944      
5 H -0.201      
6 H -0.103      
7 H -0.103      
8 H -0.201      
9 H -0.103      
10 H -0.103      


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 -25.904 1.721 0.000
y 1.721 -19.088 0.000
z 0.000 0.000 -25.205
Traceless
 xyz
x -3.758 1.721 0.000
y 1.721 6.467 0.000
z 0.000 0.000 -2.709
Polar
3z2-r2-5.417
x2-y2-6.817
xy1.721
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.877 0.146 0.000
y 0.146 6.975 0.000
z 0.000 0.000 4.601


<r2> (average value of r2) Å2
<r2> 90.188
(<r2>)1/2 9.497