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

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G*
 hartrees
Energy at 0K-39.909309
Energy at 298.15K-39.913904
Nuclear repulsion energy48.121897
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 B3LYP/CEP-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 3754 3625 26.19      
2 A 3123 3016 34.69      
3 A 3097 2991 68.03      
4 A 3022 2918 51.74      
5 A 1510 1458 9.34      
6 A 1458 1408 4.86      
7 A 1447 1398 1.98      
8 A 1374 1327 44.41      
9 A 1193 1152 3.32      
10 A 1160 1120 1.03      
11 A 1041 1005 22.90      
12 A 885 854 17.07      
13 A 434 419 9.20      
14 A 248 240 7.43      
15 A 128 123 139.13      

Unscaled Zero Point Vibrational Energy (zpe) 11936.5 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 11527.0 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 B3LYP/CEP-31G*
ABC
1.40902 0.34336 0.29762

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.138 -0.226 0.029
O2 -0.017 0.616 -0.036
O3 -1.167 -0.299 -0.084
H4 1.990 0.477 0.011
H5 1.156 -0.820 0.962
H6 1.189 -0.897 -0.848
H7 -1.692 0.056 0.661

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.43092.30881.10421.10641.10512.9139
O21.43091.46962.01232.10542.09811.8985
O32.30881.46963.25172.60012.54760.9787
H41.10422.01233.25171.81161.80723.7625
H51.10642.10542.60011.81161.81192.9950
H61.10512.09812.54761.80721.81193.3892
H72.91391.89850.97873.76252.99503.3892

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 105.496 O2 C1 H4 104.336
O2 C1 H5 111.515 O2 C1 H6 110.994
O2 O3 H7 99.744 H4 C1 H5 110.068
H4 C1 H6 109.761 H5 C1 H6 110.028
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.403      
2 O -0.157      
3 O -0.385      
4 H 0.203      
5 H 0.173      
6 H 0.187      
7 H 0.382      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.743 -0.427 1.432 1.669
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.022 -0.921 -2.637
y -0.921 -19.462 0.216
z -2.637 0.216 -17.608
Traceless
 xyz
x 4.513 -0.921 -2.637
y -0.921 -3.647 0.216
z -2.637 0.216 -0.866
Polar
3z2-r2-1.732
x2-y25.440
xy-0.921
xz-2.637
yz0.216


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.101 0.312 -0.233
y 0.312 2.650 0.119
z -0.233 0.119 2.480


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