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

using model chemistry: B2PLYP/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 B2PLYP/cc-pVTZ
 hartrees
Energy at 0K-190.792098
Energy at 298.15K-190.796842
HF Energy-190.574922
Nuclear repulsion energy81.081241
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 B2PLYP/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 3787 3633 37.57      
2 A 3139 3012 16.44      
3 A 3108 2982 42.56      
4 A 3035 2912 37.70      
5 A 1527 1465 9.15      
6 A 1479 1419 5.86      
7 A 1462 1402 1.61      
8 A 1372 1316 50.48      
9 A 1215 1166 5.79      
10 A 1183 1135 2.55      
11 A 1051 1009 19.30      
12 A 877 842 15.51      
13 A 448 430 6.47      
14 A 255 244 7.38      
15 A 189 181 111.27      

Unscaled Zero Point Vibrational Energy (zpe) 12062.7 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 11573.0 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 B2PLYP/cc-pVTZ
ABC
1.43584 0.35060 0.30504

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.124 -0.220 0.023
O2 -0.023 0.601 -0.022
O3 -1.156 -0.272 -0.099
H4 1.964 0.470 0.035
H5 1.142 -0.839 0.922
H6 1.187 -0.859 -0.859
H7 -1.603 -0.084 0.734

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.41192.28371.08771.09191.09062.8210
O21.41191.43231.99292.07942.07331.8798
O32.28371.43233.21012.57772.53220.9637
H41.08771.99293.21011.78261.78013.6767
H51.09192.07942.57771.78261.78202.8528
H61.09062.07332.53221.78011.78203.3047
H72.82101.87980.96373.67672.85283.3047

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 106.817 O2 C1 H4 105.007
O2 C1 H5 111.664 O2 C1 H6 111.246
O2 O3 H7 101.564 H4 C1 H5 109.740
H4 C1 H6 109.613 H5 C1 H6 109.476
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.027      
2 O -0.203      
3 O -0.249      
4 H 0.092      
5 H 0.064      
6 H 0.080      
7 H 0.243      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.517 0.224 -0.168
y 0.224 3.146 0.030
z -0.168 0.030 3.085


<r2> (average value of r2) Å2
<r2> 46.128
(<r2>)1/2 6.792