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

using model chemistry: LSDA/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at LSDA/3-21G
 hartrees
Energy at 0K-188.858396
Energy at 298.15K-188.862956
Nuclear repulsion energy79.360271
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 LSDA/3-21G
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 3327 3272 4.77      
2 A 3052 3002 11.60      
3 A 3004 2955 46.44      
4 A 2942 2893 28.13      
5 A 1526 1501 12.06      
6 A 1452 1428 10.42      
7 A 1412 1389 0.39      
8 A 1289 1268 50.13      
9 A 1136 1118 1.11      
10 A 1120 1102 4.07      
11 A 1030 1013 12.60      
12 A 912 897 11.80      
13 A 412 405 15.67      
14 A 251 247 7.54      
15 A 115 113 144.69      

Unscaled Zero Point Vibrational Energy (zpe) 11489.5 cm-1
Scaled (by 0.9836) Zero Point Vibrational Energy (zpe) 11301.1 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 LSDA/3-21G
ABC
1.31163 0.34801 0.29477

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.125 -0.234 0.031
O2 -0.003 0.648 -0.041
O3 -1.158 -0.330 -0.070
H4 2.002 0.437 0.006
H5 1.133 -0.831 0.964
H6 1.166 -0.922 -0.835
H7 -1.762 0.178 0.564

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.43372.28641.10481.10721.10682.9636
O21.43371.51312.01652.11872.11261.9180
O32.28641.51313.25192.56332.51731.0122
H41.10482.01653.25191.81081.80313.8132
H51.10722.11872.56331.81081.80183.0916
H61.10682.11262.51731.80311.80183.4263
H72.96361.91801.01223.81323.09163.4263

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 101.739 O2 C1 H4 104.440
O2 C1 H5 112.355 O2 C1 H6 111.876
O2 O3 H7 96.841 H4 C1 H5 109.893
H4 C1 H6 109.229 H5 C1 H6 108.940
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.396      
2 O -0.275      
3 O -0.351      
4 H 0.229      
5 H 0.206      
6 H 0.221      
7 H 0.366      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.286 -0.106 1.238 1.275
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.157 -1.294 -2.260
y -1.294 -19.169 0.317
z -2.260 0.317 -17.933
Traceless
 xyz
x 5.394 -1.294 -2.260
y -1.294 -3.625 0.317
z -2.260 0.317 -1.770
Polar
3z2-r2-3.539
x2-y26.012
xy-1.294
xz-2.260
yz0.317


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.055 0.128 -0.322
y 0.128 2.481 0.156
z -0.322 0.156 2.178


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