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

using model chemistry: HF/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/6-31G*
 hartrees
Energy at 0K-189.796719
Energy at 298.15K-189.801615
HF Energy-189.796719
Nuclear repulsion energy82.766215
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 HF/6-31G*
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 4088 3673 62.39      
2 A 3316 2980 32.22      
3 A 3291 2957 59.96      
4 A 3218 2891 43.14      
5 A 1662 1493 8.64      
6 A 1627 1462 3.19      
7 A 1613 1450 12.23      
8 A 1565 1406 55.39      
9 A 1345 1208 5.71      
10 A 1293 1162 4.57      
11 A 1240 1114 27.99      
12 A 1037 932 33.79      
13 A 498 447 6.45      
14 A 269 242 9.63      
15 A 203 183 148.08      

Unscaled Zero Point Vibrational Energy (zpe) 13131.9 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 11799.0 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 HF/6-31G*
ABC
1.53289 0.36200 0.31706

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.114 -0.211 0.024
O2 -0.035 0.586 -0.025
O3 -1.131 -0.273 -0.093
H4 1.945 0.482 0.034
H5 1.129 -0.818 0.922
H6 1.176 -0.849 -0.849
H7 -1.605 -0.053 0.699

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.39912.24911.08191.08441.08282.8062
O21.39911.39431.98422.05522.04991.8435
O32.24911.39433.17032.53692.49460.9495
H41.08191.98423.17031.77361.77213.6518
H51.08442.05522.53691.77361.77202.8477
H61.08282.04992.49461.77211.77203.2806
H72.80621.84350.94953.65182.84773.2806

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 107.244 O2 C1 H4 105.494
O2 C1 H5 111.059 O2 C1 H6 110.721
O2 O3 H7 102.045 H4 C1 H5 109.911
H4 C1 H6 109.888 H5 C1 H6 109.694
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.147      
2 O -0.353      
3 O -0.457      
4 H 0.176      
5 H 0.152      
6 H 0.171      
7 H 0.459      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.717 -0.606 1.566 1.826
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.471 -0.524 -2.799
y -0.524 -19.553 0.002
z -2.799 0.002 -17.443
Traceless
 xyz
x 4.028 -0.524 -2.799
y -0.524 -3.596 0.002
z -2.799 0.002 -0.431
Polar
3z2-r2-0.863
x2-y25.083
xy-0.524
xz-2.799
yz0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.674 0.385 -0.191
y 0.385 2.474 0.041
z -0.191 0.041 2.457


<r2> (average value of r2) Å2
<r2> 44.795
(<r2>)1/2 6.693