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

using model chemistry: BLYP/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 BLYP/cc-pVTZ
 hartrees
Energy at 0K-154.370792
Energy at 298.15K-154.375667
HF Energy-154.370792
Nuclear repulsion energy73.818402
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 BLYP/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' 3018 3009 24.13      
2 A' 2958 2950 14.86      
3 A' 2752 2744 33.34      
4 A' 1458 1454 4.90      
5 A' 1365 1361 10.01      
6 A' 1339 1335 31.27      
7 A' 1266 1262 17.37      
8 A' 1063 1060 5.26      
9 A' 1033 1030 18.79      
10 A' 850 847 2.30      
11 A' 424 423 7.57      
12 A" 3029 3020 19.66      
13 A" 2733 2724 6.68      
14 A" 1449 1444 6.15      
15 A" 1184 1180 0.02      
16 A" 835 832 0.15      
17 A" 273 272 27.93      
18 A" 137 136 6.46      

Unscaled Zero Point Vibrational Energy (zpe) 13581.7 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 13540.9 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 BLYP/cc-pVTZ
ABC
1.33403 0.31318 0.27962

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.045 -0.621 0.000
C2 0.000 0.503 0.000
O3 -1.311 0.127 0.000
H4 2.063 -0.208 0.000
H5 0.926 -1.253 0.888
H6 0.926 -1.253 -0.888
H7 0.150 1.201 0.862
H8 0.150 1.201 -0.862

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.53482.47151.09851.09641.09642.20552.2055
C21.53481.36342.18212.17482.17481.11921.1192
O32.47151.36343.39012.77422.77422.00712.0071
H41.09852.18213.39011.78111.78112.52772.5277
H51.09642.17482.77421.78111.77632.57383.1125
H61.09642.17482.77421.78111.77633.11252.5738
H72.20551.11922.00712.52772.57383.11251.7242
H82.20551.11922.00712.52773.11252.57381.7242

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 116.905 C1 C2 H7 111.443
C1 C2 H8 111.443 C2 C1 H4 110.835
C2 C1 H5 110.383 C2 C1 H6 110.383
O3 C2 H7 107.490 O3 C2 H8 107.490
H4 C1 H5 108.479 H4 C1 H6 108.479
H5 C1 H6 108.205 H7 C2 H8 100.756
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.259      
2 C 0.048      
3 O -0.237      
4 H 0.074      
5 H 0.096      
6 H 0.096      
7 H 0.091      
8 H 0.091      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.989 0.649 0.000 2.092
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.681 0.317 0.000
y 0.317 -18.902 0.000
z 0.000 0.000 -18.401
Traceless
 xyz
x -4.029 0.317 0.000
y 0.317 1.639 0.000
z 0.000 0.000 2.390
Polar
3z2-r24.780
x2-y2-3.779
xy0.317
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.260 -0.044 0.000
y -0.044 4.609 0.000
z 0.000 0.000 4.340


<r2> (average value of r2) Å2
<r2> 51.889
(<r2>)1/2 7.203