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All results from a given calculation for C2H5OO (ethylperoxy radical)

using model chemistry: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-229.489858
Energy at 298.15K-229.495825
HF Energy-229.489858
Nuclear repulsion energy124.253154
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 mPW1PW91/6-31+G**
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' 3168 3016 12.94      
2 A' 3098 2949 13.60      
3 A' 3083 2934 11.31      
4 A' 1514 1441 8.26      
5 A' 1504 1432 1.40      
6 A' 1431 1362 25.20      
7 A' 1384 1317 8.42      
8 A' 1257 1196 19.07      
9 A' 1151 1095 7.48      
10 A' 1047 996 18.65      
11 A' 865 823 2.31      
12 A' 514 489 9.96      
13 A' 309 295 1.52      
14 A" 3179 3025 24.38      
15 A" 3154 3002 2.34      
16 A" 1493 1421 9.11      
17 A" 1283 1221 0.24      
18 A" 1155 1100 5.01      
19 A" 806 767 1.45      
20 A" 227 216 0.32      
21 A" 80 76 0.29      

Unscaled Zero Point Vibrational Energy (zpe) 15850.8 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 15086.8 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 mPW1PW91/6-31+G**
ABC
1.12582 0.14813 0.13772

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.490 0.911 0.000
C2 0.000 0.674 0.000
O3 -0.211 -0.763 0.000
O4 -1.484 -1.062 0.000
H5 1.687 1.986 0.000
H6 1.958 0.479 0.887
H7 1.958 0.479 -0.887
H8 -0.492 1.072 -0.891
H9 -0.492 1.072 0.891

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9
C11.50902.38693.56911.09261.09201.09202.17872.1787
C21.50901.45172.28362.13732.15822.15821.09251.0925
O32.38691.45171.30703.34052.65202.65202.05842.0584
O43.56912.28361.30704.39823.87363.87362.51632.5163
H51.09262.13733.34054.39821.76991.76992.52492.5249
H61.09202.15822.65203.87361.76991.77393.08412.5204
H71.09202.15822.65203.87361.76991.77392.52043.0841
H82.17871.09252.05842.51632.52493.08412.52041.7811
H92.17871.09252.05842.51632.52492.52043.08411.7811

picture of ethylperoxy radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.437 C1 C2 H8 112.773
C1 C2 H9 112.773 C2 C1 H5 109.430
C2 C1 H6 111.131 C2 C1 H7 111.131
C2 O3 O4 111.632 O3 C2 H8 107.164
O3 C2 H9 107.164 H5 C1 H6 108.216
H5 C1 H7 108.216 H6 C1 H7 108.625
H8 C2 H9 109.206
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.544      
2 C -0.166      
3 O -0.040      
4 O -0.180      
5 H 0.182      
6 H 0.191      
7 H 0.191      
8 H 0.183      
9 H 0.183      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.745 2.635 0.000 3.161
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.082 -1.241 0.000
y -1.241 -25.507 0.000
z 0.000 0.000 -23.311
Traceless
 xyz
x -1.673 -1.241 0.000
y -1.241 -0.810 0.000
z 0.000 0.000 2.483
Polar
3z2-r24.966
x2-y2-0.576
xy-1.241
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.091 1.004 0.000
y 1.004 5.073 0.000
z 0.000 0.000 4.124


<r2> (average value of r2) Å2
<r2> 89.125
(<r2>)1/2 9.441