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

using model chemistry: HF/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at HF/LANL2DZ
 hartrees
Energy at 0K-153.433496
Energy at 298.15K-153.438398
HF Energy-153.433496
Nuclear repulsion energy73.311392
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 HF/LANL2DZ
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' 3291 2962 57.26      
2 A' 3224 2901 23.49      
3 A' 3205 2884 42.49      
4 A' 1647 1482 9.68      
5 A' 1616 1454 6.15      
6 A' 1572 1415 14.00      
7 A' 1514 1362 8.85      
8 A' 1210 1089 9.80      
9 A' 1131 1018 31.49      
10 A' 935 842 6.74      
11 A' 445 400 8.45      
12 A" 3307 2976 70.41      
13 A" 3266 2939 5.23      
14 A" 1633 1469 5.58      
15 A" 1384 1246 0.83      
16 A" 969 872 0.15      
17 A" 273 245 14.05      
18 A" 74 66 19.58      

Unscaled Zero Point Vibrational Energy (zpe) 15346.5 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 13810.3 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 HF/LANL2DZ
ABC
1.25799 0.31511 0.27762

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.078 -0.535 0.000
C2 0.000 0.545 0.000
O3 -1.331 -0.002 0.000
H4 2.065 -0.085 0.000
H5 0.989 -1.164 0.877
H6 0.989 -1.164 -0.877
H7 0.068 1.184 0.873
H8 0.068 1.184 -0.873

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.52532.46691.08501.08321.08322.17632.1763
C21.52531.43852.15892.16032.16031.08451.0845
O32.46691.43853.39702.73912.73912.03122.0312
H41.08502.15893.39701.75851.75852.52192.5219
H51.08322.16032.73911.75851.75432.52223.0701
H61.08322.16032.73911.75851.75433.07012.5222
H72.17631.08452.03122.52192.52223.07011.7465
H82.17631.08452.03122.52193.07012.52221.7465

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 112.647 C1 C2 H7 111.888
C1 C2 H8 111.888 C2 C1 H4 110.454
C2 C1 H5 110.681 C2 C1 H6 110.681
O3 C2 H7 106.384 O3 C2 H8 106.384
H4 C1 H5 108.394 H4 C1 H6 108.394
H5 C1 H6 108.153 H7 C2 H8 107.259
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.518      
2 C -0.126      
3 O -0.277      
4 H 0.167      
5 H 0.188      
6 H 0.188      
7 H 0.189      
8 H 0.189      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.362 0.904 0.000 2.529
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.237 -0.184 0.000
y -0.184 -18.777 0.000
z 0.000 0.000 -17.943
Traceless
 xyz
x -4.877 -0.184 0.000
y -0.184 1.813 0.000
z 0.000 0.000 3.064
Polar
3z2-r26.129
x2-y2-4.460
xy-0.184
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.607 0.074 0.000
y 0.074 3.206 0.000
z 0.000 0.000 3.422


<r2> (average value of r2) Å2
<r2> 51.932
(<r2>)1/2 7.206