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

using model chemistry: B3LYP/STO-3G

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/STO-3G
 hartrees
Energy at 0K-188.311276
Energy at 298.15K-188.315620
Nuclear repulsion energy78.952749
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/STO-3G
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 3632 3241 30.48      
2 A 3443 3072 1.38      
3 A 3388 3023 9.09      
4 A 3240 2891 7.92      
5 A 1668 1488 5.85      
6 A 1627 1452 3.34      
7 A 1564 1396 8.22      
8 A 1532 1367 11.17      
9 A 1277 1139 1.91      
10 A 1181 1054 1.28      
11 A 1166 1040 0.34      
12 A 1017 908 4.03      
13 A 438 391 5.54      
14 A 195 174 3.63      
15 A 68 61 68.07      

Unscaled Zero Point Vibrational Energy (zpe) 12717.2 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 11348.8 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/STO-3G
ABC
1.33989 0.34345 0.28876

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.160 -0.206 -0.000
O2 -0.053 0.639 -0.000
O3 -1.132 -0.371 0.000
H4 2.016 0.495 -0.000
H5 1.216 -0.851 0.903
H6 1.215 -0.852 -0.903
H7 -1.925 0.300 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.47852.29781.10631.11091.11093.1262
O21.47851.47742.07402.15532.15531.9020
O32.29781.47743.26462.56062.56051.0388
H41.10632.07403.26461.80771.80773.9454
H51.11092.15532.56061.80771.80533.4646
H61.11092.15532.56051.80771.80533.4646
H73.12621.90201.03883.94543.46463.4646

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 102.043 O2 C1 H4 105.816
O2 C1 H5 111.897 O2 C1 H6 111.897
O2 O3 H7 96.659 H4 C1 H5 109.233
H4 C1 H6 109.233 H5 C1 H6 108.686
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.133      
2 O -0.120      
3 O -0.168      
4 H 0.088      
5 H 0.080      
6 H 0.080      
7 H 0.171      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.090 0.108 0.000 0.141
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.719 -1.295 0.000
y -1.295 -17.197 0.000
z 0.000 0.000 -16.844
Traceless
 xyz
x 4.301 -1.295 0.000
y -1.295 -2.415 0.000
z 0.000 0.000 -1.886
Polar
3z2-r2-3.773
x2-y24.477
xy-1.295
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.938 -0.052 -0.000
y -0.052 1.464 -0.000
z -0.000 -0.000 0.902


<r2> (average value of r2) Å2
<r2> 46.838
(<r2>)1/2 6.844