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All results from a given calculation for C2H5 (Ethyl radical)

using model chemistry: B3LYP/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 B3LYP/cc-pVTZ
 hartrees
Energy at 0K-79.192230
Energy at 298.15K-79.196031
HF Energy-79.192230
Nuclear repulsion energy37.019585
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 B3LYP/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' 3144 3039 15.60      
2 A' 3035 2934 23.74      
3 A' 2944 2846 27.48      
4 A' 1482 1433 2.78      
5 A' 1468 1419 2.45      
6 A' 1401 1355 1.92      
7 A' 1062 1026 0.07      
8 A' 982 949 0.52      
9 A' 488 471 51.64      
10 A" 3241 3133 15.34      
11 A" 3078 2975 21.82      
12 A" 1481 1432 5.06      
13 A" 1196 1156 2.31      
14 A" 814 787 1.82      
15 A" 99 95 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 12956.5 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 12523.7 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 B3LYP/cc-pVTZ
ABC
3.47787 0.76173 0.70592

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.009 -0.692 0.000
C2 -0.009 0.792 0.000
H3 1.011 -1.103 0.000
H4 -0.504 -1.099 0.884
H5 -0.504 -1.099 -0.884
H6 0.055 1.348 -0.924
H7 0.055 1.348 0.924

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.48391.10031.09181.09182.24032.2403
C21.48392.15222.14512.14511.08041.0804
H31.10032.15221.75421.75422.78832.7883
H41.09182.14511.75421.76893.09342.5099
H51.09182.14511.75421.76892.50993.0934
H62.24031.08042.78833.09342.50991.8483
H72.24031.08042.78832.50993.09341.8483

picture of Ethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 120.967 C1 C2 H7 120.967
C2 C1 H3 111.928 C2 C1 H4 111.880
C2 C1 H5 111.880 H3 C1 H4 106.305
H3 C1 H5 106.305 H4 C1 H5 108.205
H6 C2 H7 117.607
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.253      
2 C -0.279      
3 H 0.100      
4 H 0.100      
5 H 0.100      
6 H 0.116      
7 H 0.116      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.111 -0.266 0.000 0.288
CHELPG        
AIM        
ESP 0.078 -0.265 0.000 0.276


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.310 0.146 0.000
y 0.146 -14.472 0.000
z 0.000 0.000 -13.735
Traceless
 xyz
x -1.207 0.146 0.000
y 0.146 0.050 0.000
z 0.000 0.000 1.156
Polar
3z2-r22.313
x2-y2-0.838
xy0.146
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.190 -0.035 0.000
y -0.035 4.373 0.000
z 0.000 0.000 3.674


<r2> (average value of r2) Å2
<r2> 27.770
(<r2>)1/2 5.270