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

using model chemistry: wB97X-D/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 wB97X-D/aug-cc-pVTZ
 hartrees
Energy at 0K-154.379311
Energy at 298.15K-154.384346
HF Energy-154.379311
Nuclear repulsion energy74.460213
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 wB97X-D/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' 3136 3000 19.68      
2 A' 3060 2927 12.68      
3 A' 2922 2795 22.06      
4 A' 1491 1426 6.21      
5 A' 1412 1351 26.13      
6 A' 1390 1329 18.63      
7 A' 1338 1280 11.02      
8 A' 1105 1057 7.52      
9 A' 1096 1049 12.07      
10 A' 901 862 0.50      
11 A' 439 420 6.70      
12 A" 3145 3009 17.76      
13 A" 2936 2808 4.86      
14 A" 1484 1420 6.86      
15 A" 1239 1185 0.00      
16 A" 860 823 0.06      
17 A" 310 297 19.51      
18 A" 166 158 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 14214.7 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 13597.8 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 wB97X-D/aug-cc-pVTZ
ABC
1.33998 0.32089 0.28589

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.048 -0.584 0.000
C2 0.000 0.517 0.000
O3 -1.303 0.079 0.000
H4 2.054 -0.162 0.000
H5 0.937 -1.212 0.883
H6 0.937 -1.212 -0.883
H7 0.103 1.180 0.871
H8 0.103 1.180 -0.871

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.52012.44211.09121.08921.08922.18292.1829
C21.52011.37432.16332.15552.15551.09971.0997
O32.44211.37433.36522.73142.73141.98721.9872
H41.09122.16333.36521.76921.76922.52312.5231
H51.08922.15552.73141.76921.76692.53313.0813
H61.08922.15552.73141.76921.76693.08132.5331
H72.18291.09971.98722.52312.53313.08131.7420
H82.18291.09971.98722.52313.08132.53311.7420

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 114.979 C1 C2 H7 111.858
C1 C2 H8 111.858 C2 C1 H4 110.806
C2 C1 H5 110.306 C2 C1 H6 110.306
O3 C2 H7 106.343 O3 C2 H8 106.343
H4 C1 H5 108.469 H4 C1 H6 108.469
H5 C1 H6 108.417 H7 C2 H8 104.746
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.842      
2 C 0.056      
3 O -0.546      
4 H 0.279      
5 H 0.257      
6 H 0.257      
7 H 0.270      
8 H 0.270      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.017 0.654 0.000 2.120
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.372 0.176 0.000
y 0.176 -18.682 0.000
z 0.000 0.000 -18.013
Traceless
 xyz
x -4.024 0.176 0.000
y 0.176 1.510 0.000
z 0.000 0.000 2.514
Polar
3z2-r25.029
x2-y2-3.690
xy0.176
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.276 -0.026 0.000
y -0.026 4.755 0.000
z 0.000 0.000 4.406


<r2> (average value of r2) Å2
<r2> 50.873
(<r2>)1/2 7.133