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

using model chemistry: HSEh1PBE/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at HSEh1PBE/6-311G**
 hartrees
Energy at 0K-229.359407
Energy at 298.15K-229.365379
HF Energy-229.359407
Nuclear repulsion energy124.533961
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 HSEh1PBE/6-311G**
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' 3145 3021 15.22      
2 A' 3074 2952 14.89      
3 A' 3064 2943 10.28      
4 A' 1505 1446 7.50      
5 A' 1493 1434 1.17      
6 A' 1420 1364 26.53      
7 A' 1379 1325 4.36      
8 A' 1246 1196 20.26      
9 A' 1149 1103 6.50      
10 A' 1047 1005 17.52      
11 A' 864 830 2.12      
12 A' 517 497 10.17      
13 A' 309 297 1.70      
14 A" 3152 3028 29.03      
15 A" 3124 3000 4.52      
16 A" 1479 1421 8.50      
17 A" 1282 1231 0.42      
18 A" 1153 1108 5.58      
19 A" 803 771 1.79      
20 A" 224 215 0.37      
21 A" 79 76 0.28      

Unscaled Zero Point Vibrational Energy (zpe) 15755.0 cm-1
Scaled (by 0.9604) Zero Point Vibrational Energy (zpe) 15131.1 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 HSEh1PBE/6-311G**
ABC
1.13010 0.14880 0.13835

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.487 0.910 0.000
C2 0.000 0.672 0.000
O3 -0.213 -0.761 0.000
O4 -1.479 -1.060 0.000
H5 1.689 1.983 0.000
H6 1.953 0.473 0.887
H7 1.953 0.473 -0.887
H8 -0.493 1.072 -0.890
H9 -0.493 1.072 0.890

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9
C11.50622.38343.56051.09261.09211.09212.17682.1768
C21.50621.44852.27742.13852.15372.15371.09291.0929
O32.38341.44851.30083.33882.64562.64562.05672.0567
O43.56052.27741.30084.39303.86173.86172.51222.5122
H51.09262.13853.33884.39301.77061.77062.52632.5263
H61.09212.15372.64563.86171.77061.77303.08122.5177
H71.09212.15372.64563.86171.77061.77302.51773.0812
H82.17681.09292.05672.51222.52633.08122.51771.7792
H92.17681.09292.05672.51222.52632.51773.08121.7792

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 107.522 C1 C2 H8 112.793
C1 C2 H9 112.793 C2 C1 H5 109.719
C2 C1 H6 110.970 C2 C1 H7 110.970
C2 O3 O4 111.754 O3 C2 H8 107.225
O3 C2 H9 107.225 H5 C1 H6 108.280
H5 C1 H7 108.280 H6 C1 H7 108.539
H8 C2 H9 108.974
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.372      
2 C -0.047      
3 O -0.135      
4 O -0.154      
5 H 0.136      
6 H 0.142      
7 H 0.142      
8 H 0.144      
9 H 0.144      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.593 2.435 0.000 2.910
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.831 -1.154 0.000
y -1.154 -25.148 0.000
z 0.000 0.000 -23.131
Traceless
 xyz
x -1.692 -1.154 0.000
y -1.154 -0.667 0.000
z 0.000 0.000 2.359
Polar
3z2-r24.717
x2-y2-0.683
xy-1.154
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.652 0.967 0.000
y 0.967 4.675 0.000
z 0.000 0.000 3.828


<r2> (average value of r2) Å2
<r2> 88.653
(<r2>)1/2 9.416