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

using model chemistry: wB97X-D/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 wB97X-D/TZVP
 hartrees
Energy at 0K-79.157251
Energy at 298.15K-79.161006
HF Energy-79.157251
Nuclear repulsion energy37.017792
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/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' 3170 3028 15.24      
2 A' 3082 2943 23.27      
3 A' 2992 2857 25.06      
4 A' 1496 1429 5.03      
5 A' 1475 1409 3.00      
6 A' 1410 1346 3.31      
7 A' 1077 1028 0.10      
8 A' 985 941 0.54      
9 A' 468 447 69.11      
10 A" 3276 3128 13.78      
11 A" 3129 2988 20.85      
12 A" 1489 1422 6.64      
13 A" 1199 1145 2.27      
14 A" 825 788 2.46      
15 A" 79 75 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 13074.6 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 12486.2 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/TZVP
ABC
3.46553 0.76290 0.70670

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.020 -0.646 0.000
C2 0.020 0.773 0.000
H3 1.009 -1.155 0.000
H4 -0.463 -1.148 0.861
H5 -0.463 -1.148 -0.861
H6 -0.158 1.345 -0.911
H7 -0.158 1.345 0.911

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.41971.11241.10721.10722.19762.1976
C21.41972.16752.15972.15971.09061.0906
H31.11242.16751.70511.70512.90622.9062
H41.10722.15971.70511.72263.07412.5120
H51.10722.15971.70511.72262.51203.0741
H62.19761.09062.90623.07412.51201.8225
H72.19761.09062.90622.51203.07411.8225

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 121.640 C1 C2 H7 121.640
C2 C1 H3 117.226 C2 C1 H4 116.917
C2 C1 H5 116.917 H3 C1 H4 100.390
H3 C1 H5 100.390 H4 C1 H5 102.147
H6 C2 H7 113.352
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.322      
2 C -0.311      
3 H 0.126      
4 H 0.121      
5 H 0.121      
6 H 0.132      
7 H 0.132      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.142 -0.282 0.000 0.316
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.288 0.178 0.000
y 0.178 -14.309 0.000
z 0.000 0.000 -13.534
Traceless
 xyz
x -1.366 0.178 0.000
y 0.178 0.101 0.000
z 0.000 0.000 1.265
Polar
3z2-r22.530
x2-y2-0.979
xy0.178
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.181 -0.061 0.000
y -0.061 4.143 0.000
z 0.000 0.000 3.561


<r2> (average value of r2) Å2
<r2> 27.674
(<r2>)1/2 5.261