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All results from a given calculation for CH3OOCH3 (dimethylperoxide)

using model chemistry: PBEPBE/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-229.982345
Energy at 298.15K-229.989221
Nuclear repulsion energy132.857916
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/cc-pVTZ
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 3042 3021 0.00      
2 Ag 2928 2908 0.00      
3 Ag 1468 1458 0.00      
4 Ag 1390 1381 0.00      
5 Ag 1222 1213 0.00      
6 Ag 1007 1000 0.00      
7 Ag 796 791 0.00      
8 Ag 464 460 0.00      
9 Au 2984 2964 100.87      
10 Au 1397 1388 13.40      
11 Au 1131 1124 1.09      
12 Au 202 201 3.36      
13 Au 32 31 8.52      
14 Bg 2984 2963 0.00      
15 Bg 1395 1386 0.00      
16 Bg 1137 1129 0.00      
17 Bg 256 254 0.00      
18 Bu 3041 3020 25.45      
19 Bu 2925 2904 111.12      
20 Bu 1461 1451 28.75      
21 Bu 1383 1373 2.00      
22 Bu 1125 1117 20.20      
23 Bu 1024 1017 79.03      
24 Bu 290 288 10.92      

Unscaled Zero Point Vibrational Energy (zpe) 17541.6 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 17420.6 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 PBEPBE/cc-pVTZ
ABC
1.03097 0.15115 0.13895

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVTZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.444 0.597 0.000
O2 0.444 -0.597 0.000
C3 0.444 1.695 0.000
C4 -0.444 -1.695 0.000
H5 -0.212 2.577 0.000
H6 1.078 1.708 0.902
H7 1.078 1.708 -0.902
H8 0.212 -2.577 0.000
H9 -1.078 -1.708 0.902
H10 -1.078 -1.708 -0.902

Atom - Atom Distances (Å)
  O1 O2 C3 C4 H5 H6 H7 H8 H9 H10
O11.48711.41262.29181.99422.08952.08953.24082.55472.5547
O21.48712.29181.41263.24082.55472.55471.99422.08952.0895
C31.41262.29183.50491.09911.10291.10294.27883.83573.8357
C42.29181.41263.50494.27883.83573.83571.09911.10291.1029
H51.99423.24081.09914.27881.79851.79855.17194.46394.4639
H62.08952.55471.10293.83571.79851.80414.46394.03964.4242
H72.08952.55471.10293.83571.79851.80414.46394.42424.0396
H83.24081.99424.27881.09915.17194.46394.46391.79851.7985
H92.55472.08953.83571.10294.46394.03964.42421.79851.8041
H102.55472.08953.83571.10294.46394.42424.03961.79851.8041

picture of dimethylperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 O2 C4 104.410 O1 C3 H5 104.424
O1 C3 H6 111.739 O1 C3 H7 111.739
O2 O1 C3 104.410 O2 C4 H8 104.424
O2 C4 H9 111.739 O2 C4 H10 111.739
H5 C3 H6 109.523 H5 C3 H7 109.523
H6 C3 H7 109.746 H8 C4 H9 109.523
H8 C4 H10 109.523 H9 C4 H10 109.746
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.165      
2 O -0.165      
3 C -0.066      
4 C -0.066      
5 H 0.098      
6 H 0.067      
7 H 0.067      
8 H 0.098      
9 H 0.067      
10 H 0.067      


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 -25.875 1.456 0.000
y 1.456 -19.268 0.000
z 0.000 0.000 -25.600
Traceless
 xyz
x -3.440 1.456 0.000
y 1.456 6.469 0.000
z 0.000 0.000 -3.028
Polar
3z2-r2-6.057
x2-y2-6.606
xy1.456
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.151 0.490 0.000
y 0.490 7.840 0.000
z 0.000 0.000 4.827


<r2> (average value of r2) Å2
<r2> 93.375
(<r2>)1/2 9.663