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

using model chemistry: PBE1PBE/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at PBE1PBE/aug-cc-pVDZ
 hartrees
Energy at 0K-79.060666
Energy at 298.15K-79.064469
HF Energy-79.060666
Nuclear repulsion energy36.880981
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 PBE1PBE/aug-cc-pVDZ
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' 3172 3050 14.37      
2 A' 3079 2960 19.48      
3 A' 2986 2871 25.31      
4 A' 1464 1408 0.60      
5 A' 1436 1381 5.55      
6 A' 1364 1312 2.35      
7 A' 1094 1052 0.07      
8 A' 956 919 0.60      
9 A' 496 477 56.80      
10 A" 3282 3156 12.52      
11 A" 3130 3010 17.51      
12 A" 1447 1391 5.92      
13 A" 1176 1131 2.41      
14 A" 803 772 2.07      
15 A" 102 98 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 12992.3 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 12493.4 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 PBE1PBE/aug-cc-pVDZ
ABC
3.42571 0.75980 0.70342

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/aug-cc-pVDZ

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 1.018 -1.104 0.000
H4 -0.508 -1.100 0.891
H5 -0.508 -1.100 -0.891
H6 0.055 1.353 -0.932
H7 0.055 1.353 0.932

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.48371.10731.09941.09942.24802.2480
C21.48372.15642.15002.15001.08961.0896
H31.10732.15641.76701.76702.79872.7987
H41.09942.15001.76701.78173.10762.5173
H51.09942.15001.76701.78172.51733.1076
H62.24801.08962.79873.10762.51731.8635
H72.24801.08962.79872.51733.10761.8635

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 111.846 C2 C1 H4 111.813
C2 C1 H5 111.813 H3 C1 H4 106.399
H3 C1 H5 106.399 H4 C1 H5 108.251
H6 C2 H7 117.559
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.404      
2 C 0.534      
3 H -0.073      
4 H -0.130      
5 H -0.130      
6 H -0.302      
7 H -0.302      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.119 -0.294 0.000 0.318
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.410 0.178 0.000
y 0.178 -14.503 0.000
z 0.000 0.000 -13.660
Traceless
 xyz
x -1.328 0.178 0.000
y 0.178 0.032 0.000
z 0.000 0.000 1.296
Polar
3z2-r22.593
x2-y2-0.907
xy0.178
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.894 -0.067 0.000
y -0.067 4.782 0.000
z 0.000 0.000 3.962


<r2> (average value of r2) Å2
<r2> 27.891
(<r2>)1/2 5.281