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All results from a given calculation for CH3CH2O (Ethoxy radical)

using model chemistry: PBEPBE/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at PBEPBE/Def2TZVPP
 hartrees
Energy at 0K-154.240065
Energy at 298.15K-154.245040
HF Energy-154.240065
Nuclear repulsion energy74.145056
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 PBEPBE/Def2TZVPP
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' 3046 3009 17.83      
2 A' 2972 2936 11.10      
3 A' 2752 2719 31.70      
4 A' 1439 1422 5.47      
5 A' 1348 1332 20.86      
6 A' 1327 1311 26.35      
7 A' 1240 1225 21.52      
8 A' 1067 1054 15.09      
9 A' 1060 1047 8.48      
10 A' 866 855 2.43      
11 A' 426 421 8.05      
12 A" 3054 3017 13.53      
13 A" 2742 2709 4.61      
14 A" 1429 1412 7.79      
15 A" 1167 1153 0.00      
16 A" 823 813 0.03      
17 A" 316 312 30.47      
18 A" 171 169 0.93      

Unscaled Zero Point Vibrational Energy (zpe) 13623.1 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 13458.3 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 PBEPBE/Def2TZVPP
ABC
1.34659 0.31639 0.28264

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.053 -0.594 0.000
C2 0.000 0.513 0.000
O3 -1.312 0.093 0.000
H4 2.071 -0.178 0.000
H5 0.938 -1.227 0.889
H6 0.938 -1.227 -0.889
H7 0.113 1.191 0.874
H8 0.113 1.191 -0.874

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.52782.46231.10021.09721.09722.19852.1985
C21.52781.37712.18352.16722.16721.11191.1119
O32.46231.37713.39372.75582.75581.99981.9998
H41.10022.18353.39371.78171.78172.54402.5440
H51.09722.16722.75581.78171.77842.55473.1039
H61.09722.16722.75581.78171.77843.10392.5547
H72.19851.11191.99982.54402.55473.10391.7473
H82.19851.11191.99982.54403.10392.55471.7473

picture of Ethoxy radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 115.820 C1 C2 H7 111.827
C1 C2 H8 111.827 C2 C1 H4 111.337
C2 C1 H5 110.223 C2 C1 H6 110.223
O3 C2 H7 106.440 O3 C2 H8 106.440
H4 C1 H5 108.349 H4 C1 H6 108.349
H5 C1 H6 108.275 H7 C2 H8 103.582
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.210      
2 C 0.033      
3 O -0.243      
4 H 0.066      
5 H 0.086      
6 H 0.086      
7 H 0.090      
8 H 0.090      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.073 0.642 0.000 2.170
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.637 0.295 0.000
y 0.295 -18.746 0.000
z 0.000 0.000 -18.286
Traceless
 xyz
x -4.121 0.295 0.000
y 0.295 1.715 0.000
z 0.000 0.000 2.406
Polar
3z2-r24.812
x2-y2-3.891
xy0.295
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.415 -0.035 0.000
y -0.035 4.716 0.000
z 0.000 0.000 4.395


<r2> (average value of r2) Å2
<r2> 51.477
(<r2>)1/2 7.175