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

using model chemistry: MP3=FULL/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 MP3=FULL/6-31G*
 hartrees
Energy at 0K-190.313823
Energy at 298.15K-190.318592
HF Energy-189.793677
Nuclear repulsion energy81.084285
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=FULL/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 3781 3548 34.50      
2 A 3207 3009 17.87      
3 A 3180 2984 39.90      
4 A 3098 2907 28.64      
5 A 1572 1475 7.73      
6 A 1531 1437 4.34      
7 A 1511 1418 2.31      
8 A 1431 1343 59.76      
9 A 1248 1171 5.19      
10 A 1210 1136 2.31      
11 A 1111 1042 21.78      
12 A 918 861 12.90      
13 A 463 435 7.43      
14 A 262 246 7.03      
15 A 185 173 135.54      

Unscaled Zero Point Vibrational Energy (zpe) 12353.8 cm-1
Scaled (by 0.9383) Zero Point Vibrational Energy (zpe) 11591.6 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 MP3=FULL/6-31G*
ABC
1.42380 0.35279 0.30610

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.121 -0.222 0.023
O2 -0.025 0.606 -0.023
O3 -1.151 -0.275 -0.099
H4 1.965 0.471 0.036
H5 1.133 -0.842 0.927
H6 1.180 -0.863 -0.862
H7 -1.601 -0.078 0.738

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.41462.27611.09231.09631.09482.8186
O21.41461.43211.99552.08352.07701.8792
O32.27611.43213.20732.56772.52190.9710
H41.09231.99553.20731.79221.78993.6763
H51.09632.08352.56771.79221.79032.8460
H61.09482.07702.52191.78991.79033.3035
H72.81861.87920.97103.67632.84603.3035

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 106.179 O2 C1 H4 104.772
O2 C1 H5 111.525 O2 C1 H6 111.079
O2 O3 H7 101.146 H4 C1 H5 109.947
H4 C1 H6 109.844 H5 C1 H6 109.580
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability