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All results from a given calculation for CH3OOCH3 (dimethylperoxide)

using model chemistry: BLYP/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-230.108493
Energy at 298.15K-230.115303
Nuclear repulsion energy131.988714
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/6-31G(2df,p)
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 3030 3013 0.00      
2 Ag 2922 2905 0.00      
3 Ag 1484 1476 0.00      
4 Ag 1409 1401 0.00      
5 Ag 1223 1217 0.00      
6 Ag 989 984 0.00      
7 Ag 778 774 0.00      
8 Ag 457 455 0.00      
9 Au 2973 2957 107.20      
10 Au 1411 1404 7.43      
11 Au 1140 1134 1.46      
12 Au 200 199 3.06      
13 Au 14 14 8.02      
14 Bg 2973 2957 0.00      
15 Bg 1410 1402 0.00      
16 Bg 1146 1140 0.00      
17 Bg 256 254 0.00      
18 Bu 3030 3013 31.20      
19 Bu 2918 2902 107.58      
20 Bu 1476 1468 29.23      
21 Bu 1398 1390 7.56      
22 Bu 1131 1125 13.23      
23 Bu 1002 997 79.69      
24 Bu 288 287 10.00      

Unscaled Zero Point Vibrational Energy (zpe) 17528.8 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 17432.4 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 BLYP/6-31G(2df,p)
ABC
1.01589 0.14915 0.13700

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G(2df,p)

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.448 0.604 0.000
O2 0.448 -0.604 0.000
C3 0.448 1.706 0.000
C4 -0.448 -1.706 0.000
H5 -0.207 2.592 0.000
H6 1.086 1.718 0.903
H7 1.086 1.718 -0.903
H8 0.207 -2.592 0.000
H9 -1.086 -1.718 0.903
H10 -1.086 -1.718 -0.903

Atom - Atom Distances (Å)
  O1 O2 C3 C4 H5 H6 H7 H8 H9 H10
O11.50351.42122.30982.00262.10022.10023.26172.57122.5712
O21.50352.30981.42123.26172.57122.57122.00262.10022.1002
C31.42122.30983.52831.10171.10531.10534.30463.85933.8593
C42.30981.42123.52834.30463.85933.85931.10171.10531.1053
H52.00263.26171.10174.30461.80311.80315.19984.48994.4899
H62.10022.57121.10533.85931.80311.80534.48994.06504.4478
H72.10022.57121.10533.85931.80311.80534.48994.44784.0650
H83.26172.00264.30461.10175.19984.48994.48991.80311.8031
H92.57122.10023.85931.10534.48994.06504.44781.80311.8053
H102.57122.10023.85931.10534.48994.44784.06501.80311.8053

picture of dimethylperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 O2 C4 104.289 O1 C3 H5 104.368
O1 C3 H6 111.852 O1 C3 H7 111.852
O2 O1 C3 104.289 O2 C4 H8 104.368
O2 C4 H9 111.852 O2 C4 H10 111.852
H5 C3 H6 109.568 H5 C3 H7 109.568
H6 C3 H7 109.500 H8 C4 H9 109.568
H8 C4 H10 109.568 H9 C4 H10 109.500
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.148      
2 O -0.148      
3 C -0.181      
4 C -0.181      
5 H 0.120      
6 H 0.105      
7 H 0.105      
8 H 0.120      
9 H 0.105      
10 H 0.105      


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 -25.320 1.392 0.000
y 1.392 -19.107 0.000
z 0.000 0.000 -25.035
Traceless
 xyz
x -3.249 1.392 0.000
y 1.392 6.070 0.000
z 0.000 0.000 -2.821
Polar
3z2-r2-5.642
x2-y2-6.213
xy1.392
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.576 0.381 0.000
y 0.381 7.379 0.000
z 0.000 0.000 4.286


<r2> (average value of r2) Å2
<r2> 94.153
(<r2>)1/2 9.703