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

using model chemistry: B2PLYP/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 B2PLYP/6-31G
 hartrees
Energy at 0K-78.996952
Energy at 298.15K-79.000808
HF Energy-78.941965
Nuclear repulsion energy36.799979
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 B2PLYP/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' 3191 3191 16.87      
2 A' 3084 3084 31.40      
3 A' 2997 2997 30.93      
4 A' 1545 1545 6.06      
5 A' 1524 1524 0.83      
6 A' 1478 1478 2.89      
7 A' 1085 1085 0.07      
8 A' 1035 1035 0.86      
9 A' 492 492 61.98      
10 A" 3299 3299 24.30      
11 A" 3130 3130 27.08      
12 A" 1553 1553 5.41      
13 A" 1244 1244 2.96      
14 A" 849 849 3.18      
15 A" 114 114 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 13310.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13310.3 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 B2PLYP/6-31G
ABC
3.44921 0.75029 0.69615

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.009 -0.698 0.000
C2 -0.009 0.799 0.000
H3 1.013 -1.113 0.000
H4 -0.512 -1.102 0.887
H5 -0.512 -1.102 -0.887
H6 0.061 1.356 -0.927
H7 0.061 1.356 0.927

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.49691.10361.09601.09602.25522.2552
C21.49692.16802.15652.15651.08421.0842
H31.10362.16801.76391.76392.80412.8041
H41.09602.15651.76391.77353.10832.5245
H51.09602.15651.76391.77352.52453.1083
H62.25521.08422.80413.10832.52451.8542
H72.25521.08422.80412.52453.10831.8542

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 120.955 C1 C2 H7 120.955
C2 C1 H3 112.076 C2 C1 H4 111.610
C2 C1 H5 111.610 H3 C1 H4 106.623
H3 C1 H5 106.623 H4 C1 H5 108.002
H6 C2 H7 117.536
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.445      
2 C -0.256      
3 H 0.149      
4 H 0.146      
5 H 0.146      
6 H 0.129      
7 H 0.129      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.126 -0.211 0.000 0.245
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.119 0.163 0.000
y 0.163 -14.133 0.000
z 0.000 0.000 -13.659
Traceless
 xyz
x -1.223 0.163 0.000
y 0.163 0.256 0.000
z 0.000 0.000 0.967
Polar
3z2-r21.933
x2-y2-0.986
xy0.163
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.267 -0.016 0.000
y -0.016 3.495 0.000
z 0.000 0.000 3.154


<r2> (average value of r2) Å2
<r2> 27.883
(<r2>)1/2 5.280