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

using model chemistry: B3PW91/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B3PW91/TZVP
 hartrees
Energy at 0K-79.159111
Energy at 298.15K-79.162913
HF Energy-79.159111
Nuclear repulsion energy37.014713
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 B3PW91/TZVP
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' 3155 3042 15.69      
2 A' 3056 2947 22.34      
3 A' 2967 2861 25.86      
4 A' 1480 1427 4.10      
5 A' 1463 1411 3.61      
6 A' 1396 1347 3.14      
7 A' 1076 1037 0.11      
8 A' 978 943 0.60      
9 A' 489 472 67.92      
10 A" 3257 3141 13.69      
11 A" 3103 2992 19.83      
12 A" 1478 1425 6.40      
13 A" 1189 1147 2.28      
14 A" 814 785 2.83      
15 A" 100 96 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 13000.4 cm-1
Scaled (by 0.9643) Zero Point Vibrational Energy (zpe) 12536.3 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 B3PW91/TZVP
ABC
3.46657 0.76310 0.70697

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.009 -0.691 0.000
C2 -0.009 0.791 0.000
H3 1.013 -1.102 0.000
H4 -0.505 -1.098 0.885
H5 -0.505 -1.098 -0.885
H6 0.056 1.348 -0.926
H7 0.056 1.348 0.926

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.48141.10151.09351.09352.24052.2405
C21.48142.15072.14432.14431.08291.0829
H31.10152.15071.75711.75712.78862.7886
H41.09352.14431.75711.77083.09552.5105
H51.09352.14431.75711.77082.51053.0955
H62.24051.08292.78863.09552.51051.8520
H72.24051.08292.78862.51053.09551.8520

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 120.996 C1 C2 H7 120.996
C2 C1 H3 111.906 C2 C1 H4 111.886
C2 C1 H5 111.886 H3 C1 H4 106.350
H3 C1 H5 106.350 H4 C1 H5 108.128
H6 C2 H7 117.540
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.341      
2 C -0.288      
3 H 0.128      
4 H 0.124      
5 H 0.124      
6 H 0.127      
7 H 0.127      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.138 -0.287 0.000 0.319
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.298 0.177 0.000
y 0.177 -14.314 0.000
z 0.000 0.000 -13.544
Traceless
 xyz
x -1.369 0.177 0.000
y 0.177 0.107 0.000
z 0.000 0.000 1.262
Polar
3z2-r22.524
x2-y2-0.984
xy0.177
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.184 -0.067 0.000
y -0.067 4.196 0.000
z 0.000 0.000 3.555


<r2> (average value of r2) Å2
<r2> 27.687
(<r2>)1/2 5.262