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

using model chemistry: B1B95/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/cc-pVDZ
 hartrees
Energy at 0K-190.787691
Energy at 298.15K-190.792417
Nuclear repulsion energy81.469777
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 B1B95/cc-pVDZ
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 3754 3609 38.64      
2 A 3148 3026 14.97      
3 A 3101 2981 48.51      
4 A 3020 2903 40.18      
5 A 1483 1426 11.00      
6 A 1428 1372 6.65      
7 A 1420 1365 2.52      
8 A 1374 1321 42.98      
9 A 1202 1155 8.69      
10 A 1156 1111 2.19      
11 A 1075 1033 17.04      
12 A 908 873 16.91      
13 A 447 429 5.94      
14 A 257 247 9.61      
15 A 177 170 110.86      

Unscaled Zero Point Vibrational Energy (zpe) 11975.0 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 11510.4 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 B1B95/cc-pVDZ
ABC
1.44979 0.35473 0.30938

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.114 -0.222 0.023
O2 -0.020 0.605 -0.024
O3 -1.153 -0.274 -0.100
H4 1.967 0.471 0.030
H5 1.134 -0.843 0.935
H6 1.178 -0.872 -0.864
H7 -1.582 -0.072 0.747

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.40492.27131.09881.10331.10142.7959
O21.40491.43591.99232.08512.07931.8688
O32.27131.43593.21032.57422.52460.9706
H41.09881.99233.21031.79921.79643.6611
H51.10332.08512.57421.79921.79962.8296
H61.10142.07932.52461.79641.79963.2939
H72.79591.86880.97063.66112.82963.2939

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 106.168 O2 C1 H4 104.795
O2 C1 H5 111.911 O2 C1 H6 111.547
O2 O3 H7 100.096 H4 C1 H5 109.582
H4 C1 H6 109.469 H5 C1 H6 109.423
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.118      
2 O -0.229      
3 O -0.164      
4 H 0.043      
5 H 0.019      
6 H 0.036      
7 H 0.178      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.583 -0.540 1.442 1.646
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.783 -0.294 -2.596
y -0.294 -19.223 0.009
z -2.596 0.009 -17.273
Traceless
 xyz
x 3.465 -0.294 -2.596
y -0.294 -3.195 0.009
z -2.596 0.009 -0.270
Polar
3z2-r2-0.540
x2-y24.440
xy-0.294
xz-2.596
yz0.009


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.068 0.255 -0.210
y 0.255 2.682 0.037
z -0.210 0.037 2.686


<r2> (average value of r2) Å2
<r2> 45.600
(<r2>)1/2 6.753