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

using model chemistry: B3LYP/CEP-121G

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-121G
 hartrees
Energy at 0K-39.868232
Energy at 298.15K-39.872809
Nuclear repulsion energy47.246959
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-121G
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 3616 3523 17.69      
2 A 3115 3036 21.11      
3 A 3096 3017 55.87      
4 A 2991 2915 36.49      
5 A 1523 1484 9.34      
6 A 1467 1430 8.56      
7 A 1450 1413 0.07      
8 A 1353 1319 47.14      
9 A 1154 1125 4.84      
10 A 1152 1122 0.23      
11 A 1000 974 23.37      
12 A 841 820 14.49      
13 A 400 389 18.77      
14 A 230 224 9.15      
15 A 148 144 191.83      

Unscaled Zero Point Vibrational Energy (zpe) 11767.9 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 11467.8 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-121G
ABC
1.37346 0.33160 0.28175

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.172 -0.225 0.000
O2 -0.013 0.633 -0.000
O3 -1.175 -0.348 -0.000
H4 2.010 0.481 0.000
H5 1.193 -0.849 0.902
H6 1.194 -0.849 -0.902
H7 -1.925 0.292 0.001

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.46272.35021.09601.09661.09663.1401
O21.46271.52102.02822.11282.11281.9428
O32.35021.52103.29112.58362.58390.9862
H41.09602.02823.29111.80211.80223.9397
H51.09662.11282.58361.80211.80383.4411
H61.09662.11282.58391.80221.80383.4418
H73.14011.94280.98623.93973.44113.4418

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 103.923 O2 C1 H4 103.949
O2 C1 H5 110.466 O2 C1 H6 110.467
O2 O3 H7 99.367 H4 C1 H5 110.556
H4 C1 H6 110.563 H5 C1 H6 110.659
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.279      
2 O -0.194      
3 O -0.363      
4 H 0.169      
5 H 0.160      
6 H 0.160      
7 H 0.348      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.461 0.121 0.002 0.477
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.105 -2.313 -0.003
y -2.313 -20.033 0.001
z -0.003 0.001 -19.172
Traceless
 xyz
x 7.497 -2.313 -0.003
y -2.313 -4.394 0.001
z -0.003 0.001 -3.103
Polar
3z2-r2-6.206
x2-y27.928
xy-2.313
xz-0.003
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.751 0.240 0.000
y 0.240 3.120 0.000
z 0.000 0.000 2.412


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