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

using model chemistry: BLYP/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 BLYP/6-31+G**
 hartrees
Energy at 0K-154.323101
Energy at 298.15K-154.327981
HF Energy-154.323101
Nuclear repulsion energy73.478849
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 BLYP/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' 3032 3016 23.98      
2 A' 2964 2948 16.74      
3 A' 2768 2753 33.56      
4 A' 1460 1452 6.74      
5 A' 1369 1362 17.13      
6 A' 1337 1330 36.30      
7 A' 1268 1261 15.41      
8 A' 1062 1057 4.69      
9 A' 1040 1035 20.74      
10 A' 854 849 1.67      
11 A' 424 422 7.74      
12 A" 3045 3029 19.24      
13 A" 2759 2744 5.44      
14 A" 1451 1443 8.34      
15 A" 1181 1175 0.02      
16 A" 834 830 0.10      
17 A" 267 266 28.00      
18 A" 152 151 8.40      

Unscaled Zero Point Vibrational Energy (zpe) 13632.5 cm-1
Scaled (by 0.9947) Zero Point Vibrational Energy (zpe) 13560.2 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 BLYP/6-31+G**
ABC
1.32170 0.31046 0.27723

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.053 -0.616 0.000
C2 0.000 0.505 0.000
O3 -1.318 0.119 0.000
H4 2.073 -0.194 0.000
H5 0.938 -1.252 0.892
H6 0.938 -1.252 -0.892
H7 0.139 1.205 0.868
H8 0.139 1.205 -0.868

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.53842.48221.10371.10161.10162.21492.2149
C21.53841.37332.18742.18282.18281.12321.1232
O32.48221.37333.40492.78662.78662.01322.0132
H41.10372.18743.40491.78981.78982.53972.5397
H51.10162.18282.78661.78981.78452.58383.1263
H61.10162.18282.78661.78981.78453.12632.5838
H72.21491.12322.01322.53972.58383.12631.7357
H82.21491.12322.01322.53973.12632.58381.7357

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 116.853 C1 C2 H7 111.693
C1 C2 H8 111.693 C2 C1 H4 110.687
C2 C1 H5 110.448 C2 C1 H6 110.448
O3 C2 H7 107.068 O3 C2 H8 107.068
H4 C1 H5 108.502 H4 C1 H6 108.502
H5 C1 H6 108.178 H7 C2 H8 101.184
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.406      
2 C -0.136      
3 O -0.248      
4 H 0.141      
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
  2.254 0.731 0.000 2.370
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.314 0.221 0.000
y 0.221 -19.085 0.000
z 0.000 0.000 -18.524
Traceless
 xyz
x -4.510 0.221 0.000
y 0.221 1.834 0.000
z 0.000 0.000 2.676
Polar
3z2-r25.352
x2-y2-4.230
xy0.221
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.447 0.020 0.000
y 0.020 4.656 0.000
z 0.000 0.000 4.266


<r2> (average value of r2) Å2
<r2> 52.423
(<r2>)1/2 7.240