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

using model chemistry: QCISD/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at QCISD/cc-pVDZ
 hartrees
Energy at 0K-190.369448
Energy at 298.15K-190.374218
HF Energy-189.813209
Nuclear repulsion energy80.891307
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 QCISD/cc-pVDZ
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 3794 3640 33.53      
2 A 3162 3033 20.97      
3 A 3122 2996 51.38      
4 A 3042 2919 38.95      
5 A 1515 1454 9.90      
6 A 1467 1407 4.24      
7 A 1456 1397 4.75      
8 A 1390 1333 46.87      
9 A 1216 1167 7.52      
10 A 1179 1131 3.47      
11 A 1080 1036 21.73      
12 A 871 835 11.17      
13 A 458 439 5.58      
14 A 267 256 5.42      
15 A 192 184 115.73      

Unscaled Zero Point Vibrational Energy (zpe) 12105.0 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 11613.6 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 QCISD/cc-pVDZ
ABC
1.41303 0.35141 0.30524

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.120 -0.227 0.023
O2 -0.018 0.616 -0.025
O3 -1.159 -0.280 -0.099
H4 1.983 0.462 0.038
H5 1.126 -0.853 0.937
H6 1.178 -0.877 -0.869
H7 -1.588 -0.061 0.744

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.41722.28321.10371.10731.10552.8074
O21.41721.45192.00792.09522.09061.8746
O32.28321.45193.23082.57282.53170.9708
H41.10372.00793.23081.80861.80653.6772
H51.10732.09522.57281.80861.80622.8330
H61.10552.09062.53171.80651.80623.3039
H72.80741.87460.97083.67722.83303.3039

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 105.449 O2 C1 H4 104.906
O2 C1 H5 111.600 O2 C1 H6 111.334
O2 O3 H7 99.469 H4 C1 H5 109.767
H4 C1 H6 109.717 H5 C1 H6 109.425
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at QCISD/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.183      
2 O -0.301      
3 O -0.200      
4 H 0.047      
5 H 0.026      
6 H 0.044      
7 H 0.202      


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