return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/cc-pVTZ
 hartrees
Energy at 0K-190.933651
Energy at 298.15K-190.938389
HF Energy-190.933651
Nuclear repulsion energy80.982670
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 B3LYPultrafine/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 3759 3634 34.84      
2 A 3102 2999 17.15      
3 A 3068 2966 46.26      
4 A 3004 2904 40.04      
5 A 1512 1462 9.42      
6 A 1462 1414 5.99      
7 A 1450 1402 1.27      
8 A 1371 1325 48.99      
9 A 1208 1168 5.68      
10 A 1173 1133 2.30      
11 A 1038 1003 17.33      
12 A 885 855 17.90      
13 A 447 432 6.43      
14 A 251 242 10.58      
15 A 192 185 107.81      

Unscaled Zero Point Vibrational Energy (zpe) 11959.9 cm-1
Scaled (by 0.9667) Zero Point Vibrational Energy (zpe) 11561.6 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 B3LYPultrafine/cc-pVTZ
ABC
1.44810 0.34789 0.30368

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.127 -0.226 0.023
O2 -0.015 0.607 -0.024
O3 -1.167 -0.275 -0.098
H4 1.972 0.464 0.028
H5 1.143 -0.836 0.930
H6 1.184 -0.869 -0.857
H7 -1.603 -0.064 0.738

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.41462.29761.09071.09331.09192.8263
O21.41461.45271.99312.08252.07661.8845
O32.29761.45273.22712.59002.54040.9666
H41.09071.99313.22711.78651.78383.6825
H51.09332.08252.59001.78651.78752.8587
H61.09192.07662.54041.78381.78753.3101
H72.82631.88450.96663.68252.85873.3101

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 106.500 O2 C1 H4 104.679
O2 C1 H5 111.636 O2 C1 H6 111.234
O2 O3 H7 100.394 H4 C1 H5 109.771
H4 C1 H6 109.630 H5 C1 H6 109.770
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.036      
2 O -0.190      
3 O -0.231      
4 H 0.091      
5 H 0.059      
6 H 0.077      
7 H 0.229      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.682 -0.536 1.405 1.651
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.141 -0.316 -2.618
y -0.316 -19.680 0.022
z -2.618 0.022 -17.654
Traceless
 xyz
x 3.526 -0.316 -2.618
y -0.316 -3.282 0.022
z -2.618 0.022 -0.244
Polar
3z2-r2-0.488
x2-y24.539
xy-0.316
xz-2.618
yz0.022


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.610 0.228 -0.171
y 0.228 3.177 0.024
z -0.171 0.024 3.138


<r2> (average value of r2) Å2
<r2> 46.368
(<r2>)1/2 6.809