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All results from a given calculation for CH3OOCH3 (dimethylperoxide)

using model chemistry: B3PW91/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 B3PW91/cc-pVTZ
 hartrees
Energy at 0K-230.161436
Energy at 298.15K-230.168427
Nuclear repulsion energy134.373223
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 B3PW91/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 3123 3003 0.00      
2 Ag 3011 2895 0.00      
3 Ag 1514 1456 0.00      
4 Ag 1446 1390 0.00      
5 Ag 1270 1221 0.00      
6 Ag 1087 1045 0.00      
7 Ag 864 831 0.00      
8 Ag 488 469 0.00      
9 Au 3073 2955 89.08      
10 Au 1453 1397 13.72      
11 Au 1172 1127 1.75      
12 Au 205 197 3.06      
13 Au 31 30 9.74      
14 Bg 3073 2955 0.00      
15 Bg 1451 1395 0.00      
16 Bg 1177 1132 0.00      
17 Bg 260 250 0.00      
18 Bu 3123 3003 27.19      
19 Bu 3007 2892 102.91      
20 Bu 1507 1449 25.80      
21 Bu 1437 1382 3.83      
22 Bu 1171 1126 16.54      
23 Bu 1074 1033 104.58      
24 Bu 303 292 10.90      

Unscaled Zero Point Vibrational Energy (zpe) 18159.0 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 17461.7 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 B3PW91/cc-pVTZ
ABC
1.06908 0.15400 0.14193

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.434 0.581 0.000
O2 0.434 -0.581 0.000
C3 0.434 1.683 0.000
C4 -0.434 -1.683 0.000
H5 -0.220 2.556 0.000
H6 1.064 1.697 0.895
H7 1.064 1.697 -0.895
H8 0.220 -2.556 0.000
H9 -1.064 -1.697 0.895
H10 -1.064 -1.697 -0.895

Atom - Atom Distances (Å)
  O1 O2 C3 C4 H5 H6 H7 H8 H9 H10
O11.45001.40382.26381.98712.07172.07173.20402.52642.5264
O21.45002.26381.40383.20402.52642.52641.98712.07172.0717
C31.40382.26383.47681.09071.09431.09434.24473.80393.8039
C42.26381.40383.47684.24473.80393.80391.09071.09431.0943
H51.98713.20401.09074.24471.78541.78545.13094.42704.4270
H62.07172.52641.09433.80391.78541.78944.42704.00554.3870
H72.07172.52641.09433.80391.78541.78944.42704.38704.0055
H83.20401.98714.24471.09075.13094.42704.42701.78541.7854
H92.52642.07173.80391.09434.42704.00554.38701.78541.7894
H102.52642.07173.80391.09434.42704.38704.00551.78541.7894

picture of dimethylperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 O2 C4 104.970 O1 C3 H5 104.919
O1 C3 H6 111.456 O1 C3 H7 111.456
O2 O1 C3 104.970 O2 C4 H8 104.919
O2 C4 H9 111.456 O2 C4 H10 111.456
H5 C3 H6 109.601 H5 C3 H7 109.601
H6 C3 H7 109.694 H8 C4 H9 109.601
H8 C4 H10 109.601 H9 C4 H10 109.694
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.180      
2 O -0.180      
3 C -0.033      
4 C -0.033      
5 H 0.088      
6 H 0.063      
7 H 0.063      
8 H 0.088      
9 H 0.063      
10 H 0.063      


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 -25.583 1.572 0.000
y 1.572 -18.947 0.000
z 0.000 0.000 -25.174
Traceless
 xyz
x -3.523 1.572 0.000
y 1.572 6.432 0.000
z 0.000 0.000 -2.909
Polar
3z2-r2-5.818
x2-y2-6.636
xy1.572
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.877 0.345 0.000
y 0.345 7.250 0.000
z 0.000 0.000 4.576


<r2> (average value of r2) Å2
<r2> 91.595
(<r2>)1/2 9.571