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All results from a given calculation for CH3OOH (Methyl peroxide)

using model chemistry: PBEPBE/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/6-311G**
 hartrees
Energy at 0K-190.696879
Energy at 298.15K-190.701536
Nuclear repulsion energy80.305764
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/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3653 3620 24.43      
2 A 3040 3012 17.34      
3 A 2993 2966 54.78      
4 A 2926 2899 44.60      
5 A 1462 1449 10.29      
6 A 1399 1386 7.03      
7 A 1393 1380 0.49      
8 A 1312 1300 43.19      
9 A 1165 1155 5.09      
10 A 1131 1120 1.54      
11 A 987 978 16.05      
12 A 826 819 15.40      
13 A 431 427 6.83      
14 A 256 254 13.08      
15 A 174 172 110.75      

Unscaled Zero Point Vibrational Energy (zpe) 11573.7 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 11468.4 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 PBEPBE/6-311G**
ABC
1.41064 0.34362 0.29948

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.129 -0.231 0.023
O2 -0.009 0.616 -0.024
O3 -1.178 -0.277 -0.100
H4 1.983 0.465 0.025
H5 1.149 -0.848 0.941
H6 1.189 -0.882 -0.865
H7 -1.595 -0.063 0.757

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.41932.31141.10181.10551.10352.8264
O21.41931.47281.99842.10062.09431.8938
O32.31141.47283.24982.61242.56030.9765
H41.10181.99843.24981.80491.80043.6903
H51.10552.10062.61241.80491.80672.8597
H61.10352.09432.56031.80041.80673.3245
H72.82641.89380.97653.69032.85973.3245

picture of Methyl peroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 O3 106.092 O2 C1 H4 104.163
O2 C1 H5 112.007 O2 C1 H6 111.612
O2 O3 H7 99.280 H4 C1 H5 109.710
H4 C1 H6 109.451 H5 C1 H6 109.743
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.124      
2 O -0.227      
3 O -0.261      
4 H 0.126      
5 H 0.101      
6 H 0.122      
7 H 0.263      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.652 -0.542 1.474 1.700
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.069 -0.305 -2.695
y -0.305 -19.660 0.040
z -2.695 0.040 -17.670
Traceless
 xyz
x 3.596 -0.305 -2.695
y -0.305 -3.290 0.040
z -2.695 0.040 -0.306
Polar
3z2-r2-0.613
x2-y24.591
xy-0.305
xz-2.695
yz0.040


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.458 0.201 -0.202
y 0.201 2.951 0.030
z -0.202 0.030 2.953


<r2> (average value of r2) Å2
<r2> 46.855
(<r2>)1/2 6.845