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

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G*
 hartrees
Energy at 0K-190.635277
Energy at 298.15K-190.640057
HF Energy-190.635277
Nuclear repulsion energy81.599597
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 PBE1PBE/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 3760 3573 25.67      
2 A 3165 3008 18.01      
3 A 3125 2969 47.54      
4 A 3048 2896 39.88      
5 A 1541 1465 10.06      
6 A 1493 1419 5.50      
7 A 1475 1402 2.07      
8 A 1423 1352 47.11      
9 A 1233 1172 5.54      
10 A 1191 1131 1.63      
11 A 1097 1043 17.37      
12 A 936 889 17.93      
13 A 459 437 6.00      
14 A 263 250 13.80      
15 A 197 187 118.85      

Unscaled Zero Point Vibrational Energy (zpe) 12202.9 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 11596.4 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 PBE1PBE/6-31G*
ABC
1.45189 0.35562 0.31043

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.114 -0.223 0.020
O2 -0.022 0.605 -0.018
O3 -1.153 -0.268 -0.104
H4 1.963 0.468 0.031
H5 1.134 -0.848 0.924
H6 1.171 -0.863 -0.868
H7 -1.555 -0.119 0.767

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.40642.27051.09461.09851.09642.7732
O21.40641.43141.98992.08162.07441.8682
O32.27051.43143.20402.57322.51770.9707
H41.09461.98993.20401.79271.79073.6413
H51.09852.08162.57321.79271.79282.7901
H61.09642.07442.51771.79071.79283.2648
H72.77321.86820.97073.64132.79013.2648

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 106.272 O2 C1 H4 104.743
O2 C1 H5 111.816 O2 C1 H6 111.355
O2 O3 H7 100.347 H4 C1 H5 109.655
H4 C1 H6 109.630 H5 C1 H6 109.532
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.245      
2 O -0.286      
3 O -0.417      
4 H 0.185      
5 H 0.158      
6 H 0.180      
7 H 0.425      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.696 -0.668 1.554 1.829
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.889 -0.155 -2.746
y -0.155 -19.305 -0.093
z -2.746 -0.093 -17.233
Traceless
 xyz
x 3.380 -0.155 -2.746
y -0.155 -3.244 -0.093
z -2.746 -0.093 -0.136
Polar
3z2-r2-0.272
x2-y24.416
xy-0.155
xz-2.746
yz-0.093


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.869 0.300 -0.204
y 0.300 2.597 0.027
z -0.204 0.027 2.653


<r2> (average value of r2) Å2
<r2> 45.502
(<r2>)1/2 6.746