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

using model chemistry: HF/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 HF/Def2TZVPP
 hartrees
Energy at 0K-153.525699
Energy at 298.15K 
HF Energy-153.525699
Nuclear repulsion energy74.401943
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 HF/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3225 2923 40.46      
2 A' 3165 2869 14.89      
3 A' 3139 2845 32.39      
4 A' 1614 1463 4.54      
5 A' 1568 1421 9.13      
6 A' 1542 1398 14.89      
7 A' 1507 1366 6.94      
8 A' 1193 1082 7.33      
9 A' 1150 1042 35.98      
10 A' 954 865 2.35      
11 A' 457 414 5.93      
12 A" 3237 2934 47.59      
13 A" 3166 2870 15.06      
14 A" 1599 1450 3.21      
15 A" 1368 1240 0.37      
16 A" 923 837 0.01      
17 A" 264 240 3.95      
18 A" 145i 131i 15.46      

Unscaled Zero Point Vibrational Energy (zpe) 14963.4 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 13562.8 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 HF/Def2TZVPP
ABC
1.30720 0.32368 0.28660

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.046 -0.570 0.000
C2 0.000 0.529 0.000
O3 -1.300 0.055 0.000
H4 2.044 -0.144 0.000
H5 0.941 -1.195 0.878
H6 0.941 -1.195 -0.878
H7 0.099 1.172 0.871
H8 0.099 1.172 -0.871

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.51702.42851.08431.08291.08292.16572.1657
C21.51701.38402.15172.15142.15141.08701.0870
O32.42851.38403.35012.71282.71281.99081.9908
H41.08432.15173.35011.75791.75792.50492.5049
H51.08292.15142.71281.75791.75542.51303.0612
H61.08292.15142.71281.75791.75543.06122.5130
H72.16571.08701.99082.50492.51303.06121.7410
H82.16571.08701.99082.50493.06122.51301.7410

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 113.601 C1 C2 H7 111.471
C1 C2 H8 111.471 C2 C1 H4 110.510
C2 C1 H5 110.568 C2 C1 H6 110.568
O3 C2 H7 106.730 O3 C2 H8 106.730
H4 C1 H5 108.414 H4 C1 H6 108.414
H5 C1 H6 108.290 H7 C2 H8 106.413
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.140      
2 C 0.151      
3 O -0.271      
4 H 0.044      
5 H 0.054      
6 H 0.054      
7 H 0.054      
8 H 0.054      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.842 0.628 0.000 1.946
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.293 0.088 0.000
y 0.088 -18.923 0.000
z 0.000 0.000 -17.996
Traceless
 xyz
x -3.834 0.088 0.000
y 0.088 1.222 0.000
z 0.000 0.000 2.612
Polar
3z2-r25.223
x2-y2-3.371
xy0.088
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.315 -0.065 0.000
y -0.065 4.040 0.000
z 0.000 0.000 3.942


<r2> (average value of r2) Å2
<r2> 50.739
(<r2>)1/2 7.123