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 HOCH2OOH (hydroxy methyl peroxide)

using model chemistry: MP3/6-31+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 MP3/6-31+G**
 hartrees
Energy at 0K-265.374900
Energy at 298.15K 
HF Energy-264.665452
Nuclear repulsion energy131.721861
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 MP3/6-31+G**
Rotational Constants (cm-1) from geometry optimized at MP3/6-31+G**
ABC
1.19144 0.14632 0.13663

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.513 0.487 0.028
O2 -1.753 -0.123 -0.053
O3 0.471 -0.531 -0.138
O4 1.732 0.138 -0.034
H5 -1.844 -0.723 0.691
H6 2.105 -0.280 0.750
H7 -0.449 1.208 -0.786
H8 -0.336 0.996 0.982

Atom - Atom Distances (Å)
  C1 O2 O3 O4 H5 H6 H7 H8
C11.38361.42472.27331.91632.82201.08901.0962
O21.38362.26193.49490.96033.94362.00152.0806
O31.42472.26191.43182.46531.87702.07082.0579
O42.27333.49491.43183.74880.96362.54342.4595
H51.91630.96032.46533.74883.97382.80222.3044
H62.82203.94361.87700.96363.97383.33092.7641
H71.08902.00152.07082.54342.80223.33091.7840
H81.09622.08062.05792.45952.30442.76411.7840

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 108.338 C1 O3 O4 105.472
O2 C1 O3 107.301 O2 C1 H7 107.499
O2 C1 H8 113.576 O3 C1 H7 110.228
O3 C1 H8 108.744 O3 O4 H6 101.383
H7 C1 H8 109.456
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability