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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-153.503002
Energy at 298.15K-153.508142
HF Energy-153.503002
Nuclear repulsion energy74.010817
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' 3091 3028 13.80      
2 A' 2995 2934 7.30      
3 A' 2776 2719 33.68      
4 A' 1473 1444 11.06      
5 A' 1390 1362 27.83      
6 A' 1364 1337 31.21      
7 A' 1277 1251 14.54      
8 A' 1120 1097 23.10      
9 A' 1100 1078 2.01      
10 A' 900 882 2.71      
11 A' 425 417 11.03      
12 A" 3096 3033 9.04      
13 A" 2778 2722 3.25      
14 A" 1463 1433 12.81      
15 A" 1188 1164 0.45      
16 A" 863 846 0.06      
17 A" 402 394 48.02      
18 A" 196 192 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 13949.0 cm-1
Scaled (by 0.9797) Zero Point Vibrational Energy (zpe) 13665.8 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
1.32604 0.31833 0.28352

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 1.043 -0.589 0.000
C2 0.000 0.499 0.000
O3 -1.309 0.094 0.000
H4 2.064 -0.169 0.000
H5 0.931 -1.230 0.891
H6 0.931 -1.230 -0.891
H7 0.144 1.208 0.864
H8 0.144 1.208 -0.864

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.50682.44901.10401.10341.10342.18732.1873
C21.50681.37012.16922.15582.15581.12731.1273
O32.44901.37013.38322.74992.74992.02482.0248
H41.10402.16923.38321.79001.79002.51572.5157
H51.10342.15582.74991.79001.78242.56183.1053
H61.10342.15582.74991.79001.78243.10532.5618
H72.18731.12732.02482.51572.56183.10531.7280
H82.18731.12732.02482.51573.10532.56181.7280

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 116.620 C1 C2 H7 111.460
C1 C2 H8 111.460 C2 C1 H4 111.442
C2 C1 H5 110.407 C2 C1 H6 110.407
O3 C2 H7 107.945 O3 C2 H8 107.945
H4 C1 H5 108.366 H4 C1 H6 108.366
H5 C1 H6 107.741 H7 C2 H8 100.065
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 -0.501      
2 C -0.170      
3 O -0.303      
4 H 0.161      
5 H 0.191      
6 H 0.191      
7 H 0.215      
8 H 0.215      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.360 0.805 0.000 2.494
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.706 0.150 0.000
y 0.150 -18.082 0.000
z 0.000 0.000 -17.949
Traceless
 xyz
x -4.691 0.150 0.000
y 0.150 2.245 0.000
z 0.000 0.000 2.446
Polar
3z2-r24.891
x2-y2-4.624
xy0.150
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.484 0.142 0.000
y 0.142 3.709 0.000
z 0.000 0.000 3.751


<r2> (average value of r2) Å2
<r2> 51.194
(<r2>)1/2 7.155