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

using model chemistry: LSDA/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at LSDA/6-31G**
 hartrees
Energy at 0K-153.551270
Energy at 298.15K-153.556331
HF Energy-153.551270
Nuclear repulsion energy74.783366
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 LSDA/6-31G**
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' 3088 3030 10.95      
2 A' 2994 2938 5.14      
3 A' 2711 2660 34.64      
4 A' 1437 1410 4.86      
5 A' 1364 1339 46.39      
6 A' 1333 1308 11.11      
7 A' 1219 1196 16.55      
8 A' 1129 1108 14.99      
9 A' 1074 1054 13.78      
10 A' 890 873 3.14      
11 A' 428 420 10.52      
12 A" 3091 3033 6.12      
13 A" 2698 2647 4.76      
14 A" 1422 1396 9.24      
15 A" 1144 1123 0.47      
16 A" 813 797 0.04      
17 A" 367 360 43.50      
18 A" 189 186 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 13694.5 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 13438.4 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 LSDA/6-31G**
ABC
1.36605 0.32318 0.28864

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.014 -0.633 0.000
C2 0.000 0.485 0.000
O3 -1.283 0.156 0.000
H4 2.047 -0.247 0.000
H5 0.878 -1.269 0.890
H6 0.878 -1.269 -0.890
H7 0.189 1.210 0.849
H8 0.189 1.210 -0.849

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.50872.42871.10251.10191.10192.19062.1906
C21.50871.32442.17352.15332.15331.13301.1330
O32.42871.32443.35412.73752.73751.99981.9998
H41.10252.17353.35411.78901.78902.50922.5092
H51.10192.15332.73751.78901.77912.57353.1056
H61.10192.15332.73751.78901.77913.10562.5735
H72.19061.13301.99982.50922.57353.10561.6986
H82.19061.13301.99982.50923.10562.57351.6986

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 117.876 C1 C2 H7 111.237
C1 C2 H8 111.237 C2 C1 H4 111.741
C2 C1 H5 110.168 C2 C1 H6 110.168
O3 C2 H7 108.685 O3 C2 H8 108.685
H4 C1 H5 108.496 H4 C1 H6 108.496
H5 C1 H6 107.659 H7 C2 H8 97.106
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.441      
2 C -0.058      
3 O -0.307      
4 H 0.134      
5 H 0.164      
6 H 0.164      
7 H 0.172      
8 H 0.172      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.150 0.634 0.000 2.242
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.098 0.370 0.000
y 0.370 -18.010 0.000
z 0.000 0.000 -17.945
Traceless
 xyz
x -4.121 0.370 0.000
y 0.370 2.012 0.000
z 0.000 0.000 2.109
Polar
3z2-r24.218
x2-y2-4.088
xy0.370
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.598 0.045 0.000
y 0.045 3.984 0.000
z 0.000 0.000 3.871


<r2> (average value of r2) Å2
<r2> 50.470
(<r2>)1/2 7.104