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

using model chemistry: B3LYP/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-154.436628
Energy at 298.15K-154.441505
HF Energy-154.436628
Nuclear repulsion energy74.254241
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/aug-cc-pVTZ
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' 3095 2994 20.44      
2 A' 3032 2933 13.09      
3 A' 2884 2790 23.64      
4 A' 1494 1446 5.89      
5 A' 1407 1361 16.66      
6 A' 1389 1344 26.45      
7 A' 1328 1285 11.50      
8 A' 1097 1061 7.68      
9 A' 1065 1031 14.51      
10 A' 885 856 0.47      
11 A' 435 421 6.80      
12 A" 3106 3005 17.96      
13 A" 2881 2788 3.89      
14 A" 1485 1436 6.36      
15 A" 1237 1197 0.01      
16 A" 860 832 0.00      
17 A" 256 248 16.20      
18 A" 120 116 9.73      

Unscaled Zero Point Vibrational Energy (zpe) 14026.6 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 13570.7 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 B3LYP/aug-cc-pVTZ
ABC
1.33683 0.31852 0.28385

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.043 -0.601 0.000
C2 0.000 0.507 0.000
O3 -1.303 0.103 0.000
H4 2.051 -0.181 0.000
H5 0.933 -1.229 0.883
H6 0.933 -1.229 -0.883
H7 0.125 1.189 0.863
H8 0.125 1.189 -0.863

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.52182.44971.09161.08991.08992.18882.1888
C21.52181.36462.16352.16012.16011.10681.1068
O32.44971.36463.36632.74842.74841.99121.9912
H41.09162.16353.36631.76941.76942.51622.5162
H51.08992.16012.74841.76941.76662.55003.0904
H61.08992.16012.74841.76941.76663.09042.5500
H72.18881.10681.99122.51622.55003.09041.7256
H82.18881.10681.99122.51623.09042.55001.7256

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 116.034 C1 C2 H7 111.781
C1 C2 H8 111.781 C2 C1 H4 110.677
C2 C1 H5 110.510 C2 C1 H6 110.510
O3 C2 H7 106.892 O3 C2 H8 106.892
H4 C1 H5 108.398 H4 C1 H6 108.398
H5 C1 H6 108.268 H7 C2 H8 102.435
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.663      
2 C 0.112      
3 O -0.516      
4 H 0.219      
5 H 0.200      
6 H 0.200      
7 H 0.224      
8 H 0.224      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.056 0.661 0.000 2.160
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.742 0.166 0.000
y 0.166 -18.940 0.000
z 0.000 0.000 -18.279
Traceless
 xyz
x -4.132 0.166 0.000
y 0.166 1.570 0.000
z 0.000 0.000 2.562
Polar
3z2-r25.124
x2-y2-3.802
xy0.166
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.438 -0.032 0.000
y -0.032 4.850 0.000
z 0.000 0.000 4.487


<r2> (average value of r2) Å2
<r2> 51.306
(<r2>)1/2 7.163