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

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-189.727994
Energy at 298.15K-189.732379
Nuclear repulsion energy79.208835
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 B1B95/3-21G
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 3471 3320 7.30      
2 A 3155 3018 15.56      
3 A 3129 2994 43.66      
4 A 3056 2924 22.76      
5 A 1582 1514 9.06      
6 A 1524 1458 7.12      
7 A 1469 1405 0.40      
8 A 1358 1300 51.92      
9 A 1166 1115 4.79      
10 A 1155 1105 1.85      
11 A 1050 1004 10.43      
12 A 913 874 14.26      
13 A 403 386 16.95      
14 A 232 222 5.66      
15 A 27 26 160.66      

Unscaled Zero Point Vibrational Energy (zpe) 11845.0 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 11332.2 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 B1B95/3-21G
ABC
1.32961 0.34483 0.29022

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.144 -0.229 0.020
O2 -0.013 0.647 -0.028
O3 -1.153 -0.350 -0.037
H4 2.000 0.448 0.001
H5 1.150 -0.825 0.937
H6 1.170 -0.890 -0.850
H7 -1.857 0.267 0.309

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.45142.30081.09231.09281.09293.0553
O21.45141.51452.02272.10872.10631.9132
O32.30081.51453.25312.54552.52000.9978
H41.09232.02273.25311.79411.79003.8739
H51.09282.10872.54551.79411.78773.2601
H61.09292.10632.52001.79001.78773.4419
H73.05531.91320.99783.87393.26013.4419

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 101.729 O2 C1 H4 104.464
O2 C1 H5 111.173 O2 C1 H6 110.970
O2 O3 H7 97.048 H4 C1 H5 110.382
H4 C1 H6 109.999 H5 C1 H6 109.751
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.341      
2 O -0.309      
3 O -0.367      
4 H 0.220      
5 H 0.209      
6 H 0.216      
7 H 0.372      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.261 0.030 0.714 0.761
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.192 -1.819 -1.321
y -1.819 -18.990 0.237
z -1.321 0.237 -18.247
Traceless
 xyz
x 6.427 -1.819 -1.321
y -1.819 -3.771 0.237
z -1.321 0.237 -2.656
Polar
3z2-r2-5.312
x2-y26.798
xy-1.819
xz-1.321
yz0.237


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.074 0.136 -0.197
y 0.136 2.484 0.103
z -0.197 0.103 1.896


<r2> (average value of r2) Å2
<r2> 47.020
(<r2>)1/2 6.857