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

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G
 hartrees
Energy at 0K-79.040847
Energy at 298.15K-79.044680
HF Energy-79.040847
Nuclear repulsion energy36.908032
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 HSEh1PBE/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' 3192 3053 16.55      
2 A' 3090 2956 28.28      
3 A' 2996 2866 29.66      
4 A' 1528 1461 8.07      
5 A' 1503 1438 0.87      
6 A' 1458 1394 6.01      
7 A' 1106 1058 0.15      
8 A' 1020 975 1.70      
9 A' 502 480 69.23      
10 A" 3302 3158 21.78      
11 A" 3140 3004 22.71      
12 A" 1533 1467 7.31      
13 A" 1226 1173 3.77      
14 A" 844 807 4.90      
15 A" 99 95 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 13268.2 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 12692.4 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 HSEh1PBE/6-31G
ABC
3.45274 0.75787 0.70240

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.008 -0.693 0.000
C2 -0.008 0.794 0.000
H3 1.015 -1.108 0.000
H4 -0.508 -1.101 0.887
H5 -0.508 -1.101 -0.887
H6 0.051 1.353 -0.928
H7 0.051 1.353 0.928

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.48671.10411.09621.09622.24712.2471
C21.48672.15972.15062.15061.08491.0849
H31.10412.15971.76161.76162.80092.8009
H41.09622.15061.76161.77313.10262.5171
H51.09622.15061.76161.77312.51713.1026
H62.24711.08492.80093.10262.51711.8557
H72.24711.08492.80092.51713.10261.8557

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 121.017 C1 C2 H7 121.017
C2 C1 H3 112.097 C2 C1 H4 111.854
C2 C1 H5 111.854 H3 C1 H4 106.377
H3 C1 H5 106.377 H4 C1 H5 107.941
H6 C2 H7 117.570
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.530      
2 C -0.296      
3 H 0.176      
4 H 0.173      
5 H 0.173      
6 H 0.152      
7 H 0.152      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.118 -0.236 0.000 0.264
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.005 0.145 0.000
y 0.145 -13.864 0.000
z 0.000 0.000 -13.416
Traceless
 xyz
x -1.365 0.145 0.000
y 0.145 0.347 0.000
z 0.000 0.000 1.018
Polar
3z2-r22.037
x2-y2-1.142
xy0.145
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.287 -0.029 0.000
y -0.029 3.559 0.000
z 0.000 0.000 3.156


<r2> (average value of r2) Å2
<r2> 27.622
(<r2>)1/2 5.256