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

using model chemistry: B1B95/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/6-311G**
 hartrees
Energy at 0K-190.831260
Energy at 298.15K-190.835993
Nuclear repulsion energy81.546534
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 B1B95/6-311G**
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 3816 3664 38.62      
2 A 3137 3012 18.00      
3 A 3094 2971 50.64      
4 A 3021 2900 40.59      
5 A 1510 1449 9.88      
6 A 1455 1397 7.40      
7 A 1447 1389 0.94      
8 A 1382 1327 47.88      
9 A 1212 1164 6.03      
10 A 1173 1126 1.91      
11 A 1070 1027 17.93      
12 A 907 871 18.43      
13 A 448 430 6.47      
14 A 255 244 13.54      
15 A 179 172 122.41      

Unscaled Zero Point Vibrational Energy (zpe) 12052.2 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 11571.3 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 B1B95/6-311G**
ABC
1.46130 0.35417 0.30884

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.118 -0.222 0.024
O2 -0.020 0.604 -0.026
O3 -1.153 -0.277 -0.097
H4 1.963 0.468 0.025
H5 1.135 -0.830 0.934
H6 1.175 -0.870 -0.854
H7 -1.600 -0.051 0.726

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.40682.27471.09081.09441.09282.8129
O21.40681.43641.98802.07592.06981.8687
O32.27471.43643.20572.56912.51840.9636
H41.09081.98803.20571.78811.78463.6685
H51.09442.07592.56911.78811.78882.8514
H61.09282.06982.51841.78461.78883.2968
H72.81291.86870.96363.66852.85143.2968

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 106.266 O2 C1 H4 104.785
O2 C1 H5 111.580 O2 C1 H6 111.181
O2 O3 H7 100.410 H4 C1 H5 109.821
H4 C1 H6 109.625 H5 C1 H6 109.736
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.113      
2 O -0.241      
3 O -0.273      
4 H 0.126      
5 H 0.104      
6 H 0.124      
7 H 0.274      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.644 -0.545 1.492 1.714
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.713 -0.422 -2.704
y -0.422 -19.537 0.042
z -2.704 0.042 -17.499
Traceless
 xyz
x 3.805 -0.422 -2.704
y -0.422 -3.431 0.042
z -2.704 0.042 -0.374
Polar
3z2-r2-0.748
x2-y24.824
xy-0.422
xz-2.704
yz0.042


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.151 0.236 -0.196
y 0.236 2.809 0.036
z -0.196 0.036 2.790


<r2> (average value of r2) Å2
<r2> 45.693
(<r2>)1/2 6.760