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

using model chemistry: CCD/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at CCD/3-21G*
 hartrees
Energy at 0K-189.118368
Energy at 298.15K-189.122795
HF Energy-188.758243
Nuclear repulsion energy78.330630
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 CCD/3-21G*
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 3444 3294 1.67      
2 A 3128 2992 19.09      
3 A 3116 2980 40.09      
4 A 3047 2914 17.08      
5 A 1602 1532 5.46      
6 A 1554 1487 3.42      
7 A 1492 1427 1.60      
8 A 1366 1306 54.43      
9 A 1174 1123 15.35      
10 A 1170 1119 0.19      
11 A 1029 985 12.40      
12 A 875 837 7.27      
13 A 405 387 18.62      
14 A 223 214 6.30      
15 A 62 59 166.13      

Unscaled Zero Point Vibrational Energy (zpe) 11842.9 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 11327.7 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 CCD/3-21G*
ABC
1.30354 0.33705 0.28238

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.161 -0.232 -0.000
O2 -0.012 0.656 0.000
O3 -1.165 -0.361 0.000
H4 2.022 0.447 -0.000
H5 1.170 -0.860 0.898
H6 1.169 -0.861 -0.898
H7 -1.910 0.304 -0.001

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.47142.32951.09651.09611.09613.1170
O21.47141.53742.04522.12212.12211.9298
O32.32951.53743.28792.55052.55020.9986
H41.09652.04523.28791.80091.80093.9344
H51.09612.12212.55051.80091.79533.4125
H61.09612.12212.55021.80091.79533.4119
H73.11701.92980.99863.93443.41253.4119

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 101.445 O2 C1 H4 104.637
O2 C1 H5 110.637 O2 C1 H6 110.635
O2 O3 H7 96.792 H4 C1 H5 110.434
H4 C1 H6 110.437 H5 C1 H6 109.958
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at CCD/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.254      
2 O -0.373      
3 O -0.413      
4 H 0.211      
5 H 0.212      
6 H 0.212      
7 H 0.406      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


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


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000