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

using model chemistry: MP2/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/6-31G*
 hartrees
Energy at 0K-265.321801
Energy at 298.15K-265.327236
HF Energy-264.646703
Nuclear repulsion energy130.879531
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 MP2/6-31G*
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 3770 3555 42.07      
2 A 3727 3514 39.49      
3 A 3194 3012 42.18      
4 A 3083 2907 61.27      
5 A 1606 1514 3.03      
6 A 1469 1385 60.11      
7 A 1423 1342 22.53      
8 A 1382 1303 78.48      
9 A 1258 1186 1.82      
10 A 1180 1113 90.47      
11 A 1104 1041 123.88      
12 A 1063 1002 56.91      
13 A 922 870 6.95      
14 A 515 485 15.96      
15 A 419 395 167.80      
16 A 321 302 12.17      
17 A 189 178 103.99      
18 A 120 114 3.48      

Unscaled Zero Point Vibrational Energy (zpe) 13371.8 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 12609.6 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 MP2/6-31G*
ABC
1.16718 0.14512 0.13529

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.515 0.490 0.030
O2 -1.756 -0.123 -0.055
O3 0.469 -0.533 -0.140
O4 1.739 0.140 -0.034
H5 -1.846 -0.731 0.696
H6 2.112 -0.298 0.751
H7 -0.454 1.214 -0.787
H8 -0.337 0.999 0.990

Atom - Atom Distances (Å)
  C1 O2 O3 O4 H5 H6 H7 H8
C11.38651.42952.28191.92522.83591.09331.1013
O21.38652.26393.50460.97033.95452.00472.0893
O31.42952.26391.44082.46981.88342.07902.0667
O42.28193.50461.44083.76110.97392.55512.4686
H51.92520.97032.46983.76113.98202.81442.3145
H62.83593.95451.88340.97393.98203.35212.7809
H71.09332.00472.07902.55512.81443.35211.7939
H81.10132.08932.06672.46862.31452.78091.7939

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 108.248 C1 O3 O4 105.312
O2 C1 O3 107.007 O2 C1 H7 107.298
O2 C1 H8 113.751 O3 C1 H7 110.281
O3 C1 H8 108.801 O3 O4 H6 100.733
H7 C1 H8 109.656
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability