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

using model chemistry: B3LYP/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 B3LYP/6-31+G**
 hartrees
Energy at 0K-154.386779
Energy at 298.15K-154.391632
HF Energy-154.386779
Nuclear repulsion energy73.970446
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 B3LYP/6-31+G**
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' 3114 3003 22.34      
2 A' 3043 2934 15.47      
3 A' 2902 2798 26.65      
4 A' 1499 1446 7.14      
5 A' 1416 1365 25.23      
6 A' 1391 1341 25.42      
7 A' 1337 1289 9.30      
8 A' 1098 1059 6.85      
9 A' 1077 1039 15.59      
10 A' 889 857 0.38      
11 A' 433 418 7.21      
12 A" 3127 3015 19.48      
13 A" 2911 2807 5.35      
14 A" 1489 1436 7.25      
15 A" 1238 1193 0.01      
16 A" 862 831 0.01      
17 A" 261 251 17.88      
18 A" 108 104 14.92      

Unscaled Zero Point Vibrational Energy (zpe) 14097.1 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 13592.4 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 B3LYP/6-31+G**
ABC
1.32437 0.31642 0.28190

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.048 -0.599 0.000
C2 0.000 0.510 0.000
O3 -1.308 0.098 0.000
H4 2.060 -0.177 0.000
H5 0.938 -1.231 0.887
H6 0.938 -1.231 -0.887
H7 0.121 1.192 0.868
H8 0.121 1.192 -0.868

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.52642.45761.09621.09431.09432.19592.1959
C21.52641.37172.17132.16762.16761.11021.1102
O32.45761.37173.37922.75642.75641.99831.9983
H41.09622.17133.37921.77681.77682.52692.5269
H51.09432.16762.75641.77681.77302.55743.1012
H61.09432.16762.75641.77681.77303.10122.5574
H72.19591.11021.99832.52692.55743.10121.7356
H82.19591.11021.99832.52693.10122.55741.7356

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 115.885 C1 C2 H7 111.808
C1 C2 H8 111.808 C2 C1 H4 110.703
C2 C1 H5 110.514 C2 C1 H6 110.514
O3 C2 H7 106.772 O3 C2 H8 106.772
H4 C1 H5 108.412 H4 C1 H6 108.412
H5 C1 H6 108.207 H7 C2 H8 102.823
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.418      
2 C -0.129      
3 O -0.246      
4 H 0.144      
5 H 0.162      
6 H 0.162      
7 H 0.163      
8 H 0.163      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.157 0.725 0.000 2.275
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.948 0.159 0.000
y 0.159 -18.943 0.000
z 0.000 0.000 -18.289
Traceless
 xyz
x -4.332 0.159 0.000
y 0.159 1.675 0.000
z 0.000 0.000 2.657
Polar
3z2-r25.313
x2-y2-4.005
xy0.159
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.939 0.047 0.000
y 0.047 4.347 0.000
z 0.000 0.000 4.079


<r2> (average value of r2) Å2
<r2> 51.624
(<r2>)1/2 7.185