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

using model chemistry: MP2=FULL/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2=FULL/cc-pVTZ
 hartrees
Energy at 0K-190.584813
Energy at 298.15K-190.589579
HF Energy-189.876771
Nuclear repulsion energy81.520973
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 MP2=FULL/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3818 3625 42.43      
2 A 3185 3024 12.78      
3 A 3155 2996 34.30      
4 A 3082 2926 32.93      
5 A 1544 1466 8.69      
6 A 1499 1423 6.28      
7 A 1474 1399 1.18      
8 A 1377 1308 55.76      
9 A 1222 1160 6.80      
10 A 1192 1132 2.67      
11 A 1081 1027 19.18      
12 A 890 845 13.18      
13 A 455 432 6.39      
14 A 266 252 5.68      
15 A 183 174 113.11      

Unscaled Zero Point Vibrational Energy (zpe) 12211.6 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 11593.7 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 MP2=FULL/cc-pVTZ
ABC
1.43042 0.35698 0.30962

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.112 -0.228 0.023
O2 -0.016 0.614 -0.024
O3 -1.152 -0.278 -0.099
H4 1.962 0.446 0.026
H5 1.118 -0.835 0.925
H6 1.156 -0.870 -0.851
H7 -1.571 -0.066 0.743

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.40862.26761.08441.08671.08552.7834
O21.40861.44641.98522.07042.06391.8635
O32.26761.44643.19882.55152.49800.9644
H41.08441.98523.19881.77731.77513.6415
H51.08672.07042.55151.77731.77652.8035
H61.08552.06392.49801.77511.77653.2596
H72.78341.86350.96443.64152.80353.2596

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 105.160 O2 C1 H4 104.811
O2 C1 H5 111.485 O2 C1 H6 111.029
O2 O3 H7 99.289 H4 C1 H5 109.889
H4 C1 H6 109.785 H5 C1 H6 109.737
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2=FULL/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.114      
2 O -0.180      
3 O -0.241      
4 H 0.112      
5 H 0.080      
6 H 0.097      
7 H 0.246      


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