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All results from a given calculation for CH3OOCH3 (dimethylperoxide)

using model chemistry: BLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at BLYP/3-21G
 hartrees
Energy at 0K-228.837715
Energy at 298.15K 
Nuclear repulsion energy128.833276
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 BLYP/3-21G
Rotational Constants (cm-1) from geometry optimized at BLYP/3-21G
ABC
0.70633 0.14958 0.14629

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.478 0.618 0.000
O2 0.478 -0.618 0.000
C3 0.478 1.740 0.000
C4 -0.478 -1.740 0.000
H5 -0.166 2.635 0.000
H6 1.114 1.734 0.902
H7 1.114 1.734 -0.902
H8 0.166 -2.635 0.000
H9 -1.114 -1.734 0.902
H10 -1.114 -1.734 -0.902

Atom - Atom Distances (Å)
  O1 O2 C3 C4 H5 H6 H7 H8 H9 H10
O11.56321.47382.35872.04042.14322.14323.31652.59892.5989
O21.56322.35871.47383.31652.59892.59892.04042.14322.1432
C31.47382.35873.60941.10241.10371.10374.38633.92703.9270
C42.35871.47383.60944.38633.92703.92701.10241.10371.1037
H52.04043.31651.10244.38631.80641.80645.28034.56114.5611
H62.14322.59891.10373.92701.80641.80404.56114.12274.5001
H72.14322.59891.10373.92701.80641.80404.56114.50014.1227
H83.31652.04044.38631.10245.28034.56114.56111.80641.8064
H92.59892.14323.92701.10374.56114.12274.50011.80641.8040
H102.59892.14323.92701.10374.56114.50014.12271.80641.8040

picture of dimethylperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 O2 C4 101.872 O1 C3 H5 103.817
O1 C3 H6 111.698 O1 C3 H7 111.698
O2 O1 C3 101.872 O2 C4 H8 103.817
O2 C4 H9 111.698 O2 C4 H10 111.698
H5 C3 H6 109.937 H5 C3 H7 109.937
H6 C3 H7 109.618 H8 C4 H9 109.937
H8 C4 H10 109.937 H9 C4 H10 109.618
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.262      
2 O -0.262      
3 C -0.294      
4 C -0.294      
5 H 0.193      
6 H 0.182      
7 H 0.182      
8 H 0.193      
9 H 0.182      
10 H 0.182      


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 -25.120 1.943 0.000
y 1.943 -18.027 0.000
z 0.000 0.000 -25.070
Traceless
 xyz
x -3.571 1.943 0.000
y 1.943 7.068 0.000
z 0.000 0.000 -3.496
Polar
3z2-r2-6.992
x2-y2-7.093
xy1.943
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.905 -0.274 0.000
y -0.274 6.739 0.000
z 0.000 0.000 3.571


<r2> (average value of r2) Å2
<r2> 97.253
(<r2>)1/2 9.862