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

using model chemistry: PBEPBE/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 PBEPBE/6-311G*
 hartrees
Energy at 0K-154.210522
Energy at 298.15K-154.215491
HF Energy-154.210522
Nuclear repulsion energy74.034713
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/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' 3044 3012 26.51      
2 A' 2970 2939 15.94      
3 A' 2765 2736 40.68      
4 A' 1462 1447 7.11      
5 A' 1367 1353 29.91      
6 A' 1346 1332 24.66      
7 A' 1277 1264 18.39      
8 A' 1076 1065 3.66      
9 A' 1070 1059 19.42      
10 A' 871 862 1.91      
11 A' 424 420 8.25      
12 A" 3053 3021 21.71      
13 A" 2760 2732 10.77      
14 A" 1451 1436 9.44      
15 A" 1187 1175 0.18      
16 A" 835 826 0.15      
17 A" 307 304 33.99      
18 A" 168 166 3.80      

Unscaled Zero Point Vibrational Energy (zpe) 13716.4 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 13573.7 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/6-311G*
ABC
1.33652 0.31618 0.28219

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.037 -0.621 0.000
C2 0.000 0.501 0.000
O3 -1.302 0.131 0.000
H4 2.066 -0.225 0.000
H5 0.911 -1.258 0.889
H6 0.911 -1.258 -0.889
H7 0.153 1.204 0.863
H8 0.153 1.204 -0.863

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.52812.45711.10231.10061.10062.20402.2040
C21.52811.35362.18942.17142.17141.12361.1236
O32.45711.35363.38642.76022.76022.00322.0032
H41.10232.18943.38641.78591.78592.53862.5386
H51.10062.17142.76021.78591.77812.57603.1154
H61.10062.17142.76021.78591.77813.11542.5760
H72.20401.12362.00322.53862.57603.11541.7265
H82.20401.12362.00322.53863.11542.57601.7265

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 116.870 C1 C2 H7 111.531
C1 C2 H8 111.531 C2 C1 H4 111.658
C2 C1 H5 110.324 C2 C1 H6 110.324
O3 C2 H7 107.572 O3 C2 H8 107.572
H4 C1 H5 108.330 H4 C1 H6 108.330
H5 C1 H6 107.758 H7 C2 H8 100.406
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.648      
2 C -0.256      
3 O -0.217      
4 H 0.205      
5 H 0.226      
6 H 0.226      
7 H 0.232      
8 H 0.232      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.946 0.686 0.000 2.063
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.447 0.388 0.000
y 0.388 -18.705 0.000
z 0.000 0.000 -18.193
Traceless
 xyz
x -3.998 0.388 0.000
y 0.388 1.614 0.000
z 0.000 0.000 2.384
Polar
3z2-r24.767
x2-y2-3.742
xy0.388
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.800 -0.006 0.000
y -0.006 4.201 0.000
z 0.000 0.000 4.019


<r2> (average value of r2) Å2
<r2> 51.490
(<r2>)1/2 7.176