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All results from a given calculation for CH3OOCH3 (dimethylperoxide)

using model chemistry: B1B95/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B1B95/STO-3G
 hartrees
Energy at 0K-227.101443
Energy at 298.15K-227.108111
Nuclear repulsion energy131.520255
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 B1B95/STO-3G
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 3486 3078 0.00      
2 Ag 3282 2898 0.00      
3 Ag 1675 1479 0.00      
4 Ag 1578 1393 0.00      
5 Ag 1369 1209 0.00      
6 Ag 1250 1104 0.00      
7 Ag 994 878 0.00      
8 Ag 497 439 0.00      
9 Au 3435 3033 12.42      
10 Au 1631 1440 7.72      
11 Au 1174 1037 0.80      
12 Au 166 147 1.63      
13 Au 24 21 6.34      
14 Bg 3435 3033 0.00      
15 Bg 1631 1440 0.00      
16 Bg 1179 1041 0.00      
17 Bg 209 184 0.00      
18 Bu 3485 3078 2.88      
19 Bu 3281 2897 15.21      
20 Bu 1671 1475 16.94      
21 Bu 1557 1375 11.41      
22 Bu 1205 1064 2.23      
23 Bu 1130 998 12.00      
24 Bu 306 270 4.30      

Unscaled Zero Point Vibrational Energy (zpe) 19824.4 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 17505.0 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 B1B95/STO-3G
ABC
0.99393 0.14976 0.13705

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.462 0.570 0.000
O2 0.462 -0.570 0.000
C3 0.462 1.708 0.000
C4 -0.462 -1.708 0.000
H5 -0.173 2.610 0.000
H6 1.107 1.720 0.899
H7 1.107 1.720 -0.899
H8 0.173 -2.610 0.000
H9 -1.107 -1.720 0.899
H10 -1.107 -1.720 -0.899

Atom - Atom Distances (Å)
  O1 O2 C3 C4 H5 H6 H7 H8 H9 H10
O11.46651.46572.27802.06052.14292.14293.24262.54312.5431
O21.46652.27801.46573.24262.54312.54312.06052.14292.1429
C31.46572.27803.53901.10291.10721.10724.32793.87563.8756
C42.27801.46573.53904.32793.87563.87561.10291.10721.1072
H52.06053.24261.10294.32791.80041.80045.23164.51974.5197
H62.14292.54311.10723.87561.80041.79874.51974.09064.4686
H72.14292.54311.10723.87561.80041.79874.51974.46864.0906
H83.24262.06054.32791.10295.23164.51974.51971.80041.8004
H92.54312.14293.87561.10724.51974.09064.46861.80041.7987
H102.54312.14293.87561.10724.51974.46864.09061.80041.7987

picture of dimethylperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 O2 C4 101.954 O1 C3 H5 105.816
O1 C3 H6 112.043 O1 C3 H7 112.043
O2 O1 C3 101.954 O2 C4 H8 105.816
O2 C4 H9 112.043 O2 C4 H10 112.043
H5 C3 H6 109.104 H5 C3 H7 109.104
H6 C3 H7 108.640 H8 C4 H9 109.104
H8 C4 H10 109.104 H9 C4 H10 108.640
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.119      
2 O -0.119      
3 C -0.140      
4 C -0.140      
5 H 0.092      
6 H 0.084      
7 H 0.084      
8 H 0.092      
9 H 0.084      
10 H 0.084      


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 -23.139 1.360 0.000
y 1.360 -18.546 0.000
z 0.000 0.000 -22.854
Traceless
 xyz
x -2.439 1.360 0.000
y 1.360 4.451 0.000
z 0.000 0.000 -2.012
Polar
3z2-r2-4.024
x2-y2-4.594
xy1.360
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.155 0.214 0.000
y 0.214 4.131 0.000
z 0.000 0.000 1.729


<r2> (average value of r2) Å2
<r2> 93.266
(<r2>)1/2 9.657