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

using model chemistry: B3LYP/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 B3LYP/3-21G
 hartrees
Energy at 0K-189.804943
Energy at 298.15K-189.809439
Nuclear repulsion energy78.725856
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/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 3414 3294 3.99      
2 A 3128 3018 17.75      
3 A 3102 2994 48.25      
4 A 3039 2933 25.36      
5 A 1586 1530 8.95      
6 A 1529 1475 5.82      
7 A 1472 1420 1.40      
8 A 1347 1300 48.88      
9 A 1165 1125 4.73      
10 A 1152 1112 2.01      
11 A 1024 988 9.23      
12 A 893 861 13.85      
13 A 407 393 15.34      
14 A 234 226 5.01      
15 A 87 84 150.35      

Unscaled Zero Point Vibrational Energy (zpe) 11789.7 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 11375.9 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/3-21G
ABC
1.32100 0.33865 0.28615

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.153 -0.232 0.025
O2 -0.011 0.648 -0.033
O3 -1.167 -0.347 -0.047
H4 2.008 0.450 0.005
H5 1.159 -0.824 0.945
H6 1.187 -0.898 -0.843
H7 -1.846 0.251 0.386

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.45932.32401.09411.09461.09473.0584
O21.45931.52542.02902.11892.11631.9237
O32.32401.52543.27462.57352.54581.0024
H41.09412.02903.27461.79661.79203.8779
H51.09462.11892.57351.79661.79023.2395
H61.09472.11632.54581.79201.79023.4682
H73.05841.92371.00243.87793.23953.4682

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 102.249 O2 C1 H4 104.326
O2 C1 H5 111.331 O2 C1 H6 111.114
O2 O3 H7 96.925 H4 C1 H5 110.335
H4 C1 H6 109.914 H5 C1 H6 109.714
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.298      
2 O -0.300      
3 O -0.356      
4 H 0.203      
5 H 0.191      
6 H 0.199      
7 H 0.360      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.313 -0.011 0.864 0.919
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.533 -1.699 -1.592
y -1.699 -19.025 0.276
z -1.592 0.276 -18.184
Traceless
 xyz
x 6.072 -1.699 -1.592
y -1.699 -3.667 0.276
z -1.592 0.276 -2.405
Polar
3z2-r2-4.810
x2-y26.492
xy-1.699
xz-1.592
yz0.276


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