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All results from a given calculation for HOCH2OOH (hydroxy methyl peroxide)

using model chemistry: TPSSh/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at TPSSh/6-31+G**
 hartrees
Energy at 0K-266.089948
Energy at 298.15K-266.095307
HF Energy-266.089948
Nuclear repulsion energy130.667788
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 TPSSh/6-31+G**
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 3785 3643 36.74      
2 A 3745 3605 41.76      
3 A 3126 3009 36.31      
4 A 3021 2908 65.90      
5 A 1550 1492 1.37      
6 A 1429 1375 44.50      
7 A 1374 1322 21.93      
8 A 1346 1296 52.06      
9 A 1219 1173 2.45      
10 A 1144 1102 97.45      
11 A 1058 1019 115.15      
12 A 998 961 74.44      
13 A 914 879 11.11      
14 A 497 478 15.64      
15 A 406 391 162.12      
16 A 302 291 10.27      
17 A 204 197 101.29      
18 A 100 96 4.07      

Unscaled Zero Point Vibrational Energy (zpe) 13109.6 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 12618.0 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 TPSSh/6-31+G**
ABC
1.17337 0.14410 0.13444

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.524 0.495 0.033
O2 -1.760 -0.130 -0.057
O3 0.472 -0.522 -0.137
O4 1.749 0.135 -0.034
H5 -1.868 -0.745 0.682
H6 2.147 -0.310 0.731
H7 -0.466 1.220 -0.783
H8 -0.357 0.997 0.999

Atom - Atom Distances (Å)
  C1 O2 O3 O4 H5 H6 H7 H8
C11.38721.43392.30231.94042.87621.09411.1017
O21.38722.26743.51850.96803.98982.00642.0870
O31.43392.26741.43962.48971.89882.08142.0705
O42.30233.51851.43963.79110.97122.57692.4988
H51.94040.96802.48973.79114.03952.82492.3288
H62.87623.98981.89880.97124.03953.38562.8374
H71.09412.00642.08142.57692.82493.38561.8000
H81.10172.08702.07052.49882.32882.83741.8000

picture of hydroxy methyl peroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 109.662 C1 O3 O4 106.498
O2 C1 O3 106.964 O2 C1 H7 107.330
O2 C1 H8 113.468 O3 C1 H7 110.116
O3 C1 H8 108.785 O3 O4 H6 102.173
H7 C1 H8 110.113
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.090      
2 O -0.481      
3 O -0.228      
4 O -0.392      
5 H 0.354      
6 H 0.363      
7 H 0.158      
8 H 0.134      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.306 -0.041 2.822 2.839
CHELPG        
AIM        
ESP        


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 5.795 0.221 0.139
y 0.221 3.921 -0.065
z 0.139 -0.065 3.677


<r2> (average value of r2) Å2
<r2> 85.682
(<r2>)1/2 9.256