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

using model chemistry: TPSSh/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 TPSSh/6-31+G**
 hartrees
Energy at 0K-229.559322
Energy at 298.15K-229.565203
HF Energy-229.559322
Nuclear repulsion energy123.194548
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 TPSSh/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' 3135 3017 18.78      
2 A' 3077 2962 13.70      
3 A' 3058 2944 14.74      
4 A' 1523 1466 5.69      
5 A' 1511 1454 1.10      
6 A' 1429 1376 14.74      
7 A' 1377 1325 18.24      
8 A' 1178 1134 13.51      
9 A' 1132 1090 4.19      
10 A' 1013 975 16.55      
11 A' 832 801 3.86      
12 A' 491 472 9.73      
13 A' 296 284 1.56      
14 A" 3151 3033 34.52      
15 A" 3129 3011 0.29      
16 A" 1505 1448 7.13      
17 A" 1275 1227 0.19      
18 A" 1145 1102 4.39      
19 A" 796 766 0.93      
20 A" 220 211 0.34      
21 A" 73 71 0.32      

Unscaled Zero Point Vibrational Energy (zpe) 15672.2 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 15084.5 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 TPSSh/6-31+G**
ABC
1.10604 0.14578 0.13543

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.502 0.923 0.000
C2 0.000 0.679 0.000
O3 -0.214 -0.759 0.000
O4 -1.495 -1.085 0.000
H5 1.697 1.999 0.000
H6 1.969 0.488 0.888
H7 1.969 0.488 -0.888
H8 -0.489 1.084 -0.891
H9 -0.489 1.084 0.891

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9
C11.52182.40213.60761.09381.09371.09372.18722.1872
C21.52181.45312.31232.14992.16862.16861.09421.0942
O32.40211.45311.32263.35462.66582.66582.06512.0651
O43.60762.31231.32264.43843.90693.90692.55172.5517
H51.09382.14993.35464.43841.77391.77392.53142.5314
H61.09372.16862.66583.90691.77391.77673.09242.5290
H71.09372.16862.66583.90691.77391.77672.52903.0924
H82.18721.09422.06512.55172.53143.09242.52901.7824
H92.18721.09422.06512.55172.53142.52903.09241.7824

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 107.670 C1 C2 H8 112.431
C1 C2 H9 112.431 C2 C1 H5 109.472
C2 C1 H6 110.958 C2 C1 H7 110.958
C2 O3 O4 112.737 O3 C2 H8 107.493
O3 C2 H9 107.493 H5 C1 H6 108.373
H5 C1 H7 108.373 H6 C1 H7 108.629
H8 C2 H9 109.076
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.503      
2 C -0.154      
3 O -0.039      
4 O -0.183      
5 H 0.170      
6 H 0.179      
7 H 0.179      
8 H 0.175      
9 H 0.175      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.775 2.677 0.000 3.212
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.275 1.079 0.000
y 1.079 5.245 0.000
z 0.000 0.000 4.179


<r2> (average value of r2) Å2
<r2> 90.314
(<r2>)1/2 9.503