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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-190.635286
Energy at 298.15K-190.639981
HF Energy-190.635286
Nuclear repulsion energy80.304797
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 PBEPBEultrafine/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 3573 3514 12.47      
2 A 3058 3007 18.91      
3 A 3013 2963 53.15      
4 A 2943 2895 45.31      
5 A 1494 1469 10.33      
6 A 1437 1414 4.78      
7 A 1419 1395 1.29      
8 A 1340 1318 40.82      
9 A 1181 1161 4.47      
10 A 1146 1127 1.27      
11 A 1006 990 16.60      
12 A 847 833 13.75      
13 A 434 427 6.46      
14 A 264 259 12.02      
15 A 192 189 106.29      

Unscaled Zero Point Vibrational Energy (zpe) 11673.1 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 11480.5 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 PBEPBEultrafine/6-31G*
ABC
1.39577 0.34519 0.30067

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.124 -0.233 0.020
O2 -0.010 0.620 -0.018
O3 -1.178 -0.270 -0.106
H4 1.983 0.461 0.029
H5 1.146 -0.862 0.932
H6 1.182 -0.879 -0.876
H7 -1.558 -0.118 0.789

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.41932.30621.10431.10831.10592.7926
O21.41931.47161.99962.10582.09831.8952
O32.30621.47163.24762.61372.55610.9841
H41.10431.99963.24761.80741.80453.6676
H51.10832.10582.61371.80741.80832.8084
H61.10592.09832.55611.80451.80833.2951
H72.79261.89520.98413.66762.80843.2951

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 105.819 O2 C1 H4 104.116
O2 C1 H5 112.256 O2 C1 H6 111.794
O2 O3 H7 99.093 H4 C1 H5 109.546
H4 C1 H6 109.465 H5 C1 H6 109.511
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.230      
2 O -0.260      
3 O -0.396      
4 H 0.172      
5 H 0.145      
6 H 0.167      
7 H 0.403      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.689 -0.629 1.506 1.771
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.122 -0.075 -2.679
y -0.075 -19.299 -0.085
z -2.679 -0.085 -17.300
Traceless
 xyz
x 3.177 -0.075 -2.679
y -0.075 -3.087 -0.085
z -2.679 -0.085 -0.090
Polar
3z2-r2-0.179
x2-y24.176
xy-0.075
xz-2.679
yz-0.085


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.145 0.270 -0.222
y 0.270 2.701 0.028
z -0.222 0.028 2.776


<r2> (average value of r2) Å2
<r2> 46.605
(<r2>)1/2 6.827