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

using model chemistry: HF/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/aug-cc-pVTZ
 hartrees
Energy at 0K-189.883553
Energy at 298.15K-189.888481
Nuclear repulsion energy83.017807
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 HF/aug-cc-pVTZ
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 4123 3753 64.72      
2 A 3258 2966 26.19      
3 A 3227 2938 51.48      
4 A 3162 2879 48.23      
5 A 1631 1485 11.73      
6 A 1596 1453 6.95      
7 A 1587 1445 6.81      
8 A 1542 1404 50.21      
9 A 1334 1215 5.54      
10 A 1279 1164 4.19      
11 A 1239 1128 24.72      
12 A 1036 943 35.62      
13 A 499 454 5.69      
14 A 266 242 9.76      
15 A 217 197 126.37      

Unscaled Zero Point Vibrational Energy (zpe) 12997.3 cm-1
Scaled (by 0.9104) Zero Point Vibrational Energy (zpe) 11832.7 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 HF/aug-cc-pVTZ
ABC
1.55382 0.36222 0.31851

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.113 -0.209 0.021
O2 -0.037 0.581 -0.018
O3 -1.132 -0.262 -0.099
H4 1.943 0.484 0.034
H5 1.136 -0.825 0.913
H6 1.176 -0.839 -0.858
H7 -1.578 -0.113 0.718

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.39672.24951.08091.08401.08242.7825
O21.39671.38451.98322.05382.04751.8436
O32.24951.38453.16702.54602.49670.9430
H41.08091.98323.16701.77091.77003.6363
H51.08402.05382.54601.77091.77122.8124
H61.08242.04752.49671.77001.77123.2549
H72.78251.84360.94303.63632.81243.2549

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 107.961 O2 C1 H4 105.634
O2 C1 H5 111.145 O2 C1 H6 110.720
O2 O3 H7 103.124 H4 C1 H5 109.771
H4 C1 H6 109.809 H5 C1 H6 109.688
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.646      
2 O -0.305      
3 O -0.288      
4 H 0.366      
5 H 0.323      
6 H 0.334      
7 H 0.216      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.748 -0.652 1.469 1.773
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.115 -0.251 -2.706
y -0.251 -19.726 -0.100
z -2.706 -0.100 -17.415
Traceless
 xyz
x 3.456 -0.251 -2.706
y -0.251 -3.461 -0.100
z -2.706 -0.100 0.006
Polar
3z2-r20.011
x2-y24.611
xy-0.251
xz-2.706
yz-0.100


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.494 0.266 -0.106
y 0.266 3.320 -0.004
z -0.106 -0.004 3.182


<r2> (average value of r2) Å2
<r2> 44.837
(<r2>)1/2 6.696