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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-153.545148
Energy at 298.15K-153.550184
HF Energy-153.545148
Nuclear repulsion energy74.751575
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' 3086 3028 12.09      
2 A' 2996 2940 5.56      
3 A' 2715 2665 35.79      
4 A' 1453 1426 5.78      
5 A' 1377 1351 47.47      
6 A' 1349 1323 12.32      
7 A' 1239 1215 19.58      
8 A' 1150 1128 10.72      
9 A' 1083 1063 14.05      
10 A' 895 879 3.01      
11 A' 428 420 10.35      
12 A" 3089 3031 6.82      
13 A" 2704 2653 4.99      
14 A" 1440 1413 9.93      
15 A" 1158 1136 0.56      
16 A" 819 804 0.07      
17 A" 345 338 46.76      
18 A" 186 183 0.92      

Unscaled Zero Point Vibrational Energy (zpe) 13755.9 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 13498.7 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 LSDA/6-31G*
ABC
1.36278 0.32315 0.28865

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 1.015 -0.631 0.000
C2 0.000 0.486 0.000
O3 -1.283 0.153 0.000
H4 2.049 -0.244 0.000
H5 0.879 -1.267 0.891
H6 0.879 -1.267 -0.891
H7 0.184 1.208 0.854
H8 0.184 1.208 -0.854

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.50942.42841.10361.10291.10292.19132.1913
C21.50941.32562.17482.15432.15431.13291.1329
O32.42841.32563.35542.73642.73641.99831.9983
H41.10362.17483.35541.79091.79092.51292.5129
H51.10292.15432.73641.79091.78112.57163.1070
H61.10292.15432.73641.79091.78113.10702.5716
H72.19131.13291.99832.51292.57163.10701.7070
H82.19131.13291.99832.51293.10702.57161.7070

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 117.719 C1 C2 H7 111.257
C1 C2 H8 111.257 C2 C1 H4 111.733
C2 C1 H5 110.138 C2 C1 H6 110.138
O3 C2 H7 108.485 O3 C2 H8 108.485
H4 C1 H5 108.515 H4 C1 H6 108.515
H5 C1 H6 107.692 H7 C2 H8 97.763
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 -0.546      
2 C -0.137      
3 O -0.295      
4 H 0.169      
5 H 0.198      
6 H 0.198      
7 H 0.207      
8 H 0.207      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.135 0.644 0.000 2.230
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.109 0.384 0.000
y 0.384 -18.044 0.000
z 0.000 0.000 -17.914
Traceless
 xyz
x -4.130 0.384 0.000
y 0.384 1.967 0.000
z 0.000 0.000 2.163
Polar
3z2-r24.326
x2-y2-4.065
xy0.384
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.541 0.052 0.000
y 0.052 3.922 0.000
z 0.000 0.000 3.844


<r2> (average value of r2) Å2
<r2> 50.483
(<r2>)1/2 7.105