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All results from a given calculation for CH3OO (methylperoxy radical)

using model chemistry: mPW1PW91/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at mPW1PW91/cc-pVDZ
 hartrees
Energy at 0K-190.177004
Energy at 298.15K-190.180648
HF Energy-190.177004
Nuclear repulsion energy75.355346
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 mPW1PW91/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' 3203 3069 6.64      
2 A' 3074 2946 13.87      
3 A' 1462 1401 10.66      
4 A' 1427 1367 0.59      
5 A' 1241 1189 14.00      
6 A' 1183 1134 0.33      
7 A' 959 919 14.38      
8 A' 502 481 6.54      
9 A" 3182 3049 11.33      
10 A" 1449 1388 9.84      
11 A" 1119 1073 0.48      
12 A" 138 132 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 9468.6 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 9073.7 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 mPW1PW91/cc-pVDZ
ABC
1.76971 0.38399 0.33614

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.988 -0.476 0.000
O2 0.000 0.563 0.000
O3 -1.204 0.063 0.000
H4 1.958 0.034 0.000
H5 0.871 -1.092 0.901
H6 0.871 -1.092 -0.901

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.43392.25701.09621.09781.0978
O21.43391.30322.02812.07582.0758
O32.25701.30323.16172.53942.5394
H41.09622.02813.16171.80641.8064
H51.09782.07582.53941.80641.8027
H61.09782.07582.53941.80641.8027

picture of methylperoxy radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 O3 111.001 O2 C1 H4 105.794
O2 C1 H5 109.436 O2 C1 H6 109.436
H4 C1 H5 110.840 H4 C1 H6 110.840
H5 C1 H6 110.380
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.070      
2 O -0.115      
3 O -0.152      
4 H 0.063      
5 H 0.068      
6 H 0.068      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.336 -1.121 0.000 2.591
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.298 -0.396 0.000
y -0.396 -17.655 0.000
z 0.000 0.000 -16.618
Traceless
 xyz
x -0.162 -0.396 0.000
y -0.396 -0.697 0.000
z 0.000 0.000 0.858
Polar
3z2-r21.716
x2-y20.357
xy-0.396
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.041 -0.008 0.000
y -0.008 2.370 0.000
z 0.000 0.000 2.209


<r2> (average value of r2) Å2
<r2> 41.471
(<r2>)1/2 6.440