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

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31+G**
 hartrees
Energy at 0K-229.313416
Energy at 298.15K 
HF Energy-229.313416
Nuclear repulsion energy124.256224
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/6-31+G**
Rotational Constants (cm-1) from geometry optimized at HSEh1PBE/6-31+G**
ABC
1.12456 0.14823 0.13780

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/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 -0.762 0.000
O4 -1.483 -1.062 0.000
H5 1.688 1.986 0.000
H6 1.958 0.477 0.888
H7 1.958 0.477 -0.888
H8 -0.493 1.073 -0.892
H9 -0.493 1.073 0.892

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9
C11.50832.38593.56761.09381.09331.09332.17982.1798
C21.50831.45182.28322.13812.15852.15851.09391.0939
O32.38591.45181.30643.34112.65112.65112.05932.0593
O43.56762.28321.30644.39863.87223.87222.51622.5162
H51.09382.13813.34114.39861.77181.77182.52712.5271
H61.09332.15852.65113.87221.77181.77583.08642.5218
H71.09332.15852.65113.87221.77181.77582.52183.0864
H82.17981.09392.05932.51622.52713.08642.52181.7831
H92.17981.09392.05932.51622.52712.52183.08641.7831

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 107.403 C1 C2 H8 112.821
C1 C2 H9 112.821 C2 C1 H5 109.477
C2 C1 H6 111.125 C2 C1 H7 111.125
C2 O3 O4 111.632 O3 C2 H8 107.148
O3 C2 H9 107.148 H5 C1 H6 108.208
H5 C1 H7 108.208 H6 C1 H7 108.605
H8 C2 H9 109.170
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.536      
2 C -0.156      
3 O -0.038      
4 O -0.189      
5 H 0.180      
6 H 0.189      
7 H 0.189      
8 H 0.181      
9 H 0.181      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.748 2.624 0.000 3.153
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.159 -1.233 0.000
y -1.233 -25.576 0.000
z 0.000 0.000 -23.386
Traceless
 xyz
x -1.678 -1.233 0.000
y -1.233 -0.804 0.000
z 0.000 0.000 2.482
Polar
3z2-r24.964
x2-y2-0.583
xy-1.233
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.119 1.004 0.000
y 1.004 5.106 0.000
z 0.000 0.000 4.152


<r2> (average value of r2) Å2
<r2> 89.146
(<r2>)1/2 9.442