return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH2CH2Cl (2-chloroethyl radical)

using model chemistry: BLYP/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 BLYP/cc-pVDZ
 hartrees
Energy at 0K-538.707851
Energy at 298.15K-538.711299
HF Energy-538.707851
Nuclear repulsion energy91.446991
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 BLYP/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' 3068 3073 3.26      
2 A' 3029 3034 10.25      
3 A' 1443 1445 0.20      
4 A' 1398 1400 2.83      
5 A' 1143 1145 4.75      
6 A' 1089 1091 8.87      
7 A' 679 680 48.99      
8 A' 394 394 44.18      
9 A' 276 277 17.30      
10 A" 3179 3184 6.18      
11 A" 3100 3105 2.54      
12 A" 1200 1202 0.22      
13 A" 986 988 0.46      
14 A" 765 766 1.66      
15 A" 269 269 0.40      

Unscaled Zero Point Vibrational Energy (zpe) 11008.4 cm-1
Scaled (by 1.0016) Zero Point Vibrational Energy (zpe) 11026.0 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 BLYP/cc-pVDZ
ABC
1.04628 0.17948 0.16352

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.456 0.889 0.000
C2 0.000 0.933 0.000
Cl3 0.697 -0.894 0.000
H4 -2.009 0.776 0.943
H5 -2.009 0.776 -0.943
H6 0.454 1.354 -0.913
H7 0.454 1.354 0.913

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 H6 H7
C11.45632.79471.09931.09932.16732.1673
C21.45631.95552.22522.22521.10281.1028
Cl32.79471.95553.31643.31642.43792.4379
H41.09932.22523.31641.88603.13802.5307
H51.09932.22523.31641.88602.53073.1380
H62.16731.10282.43793.13802.53071.8254
H72.16731.10282.43792.53073.13801.8254

picture of 2-chloroethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl3 109.115 C1 C2 H6 115.053
C1 C2 H7 115.053 C2 C1 H4 120.433
C2 C1 H5 120.433 Cl3 C2 H6 102.087
Cl3 C2 H7 102.087 H4 C1 H5 118.135
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.017      
2 C -0.027      
3 Cl -0.185      
4 H 0.034      
5 H 0.034      
6 H 0.063      
7 H 0.063      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.070 1.987 0.000 2.257
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.245 0.565 0.000
y 0.565 -25.971 0.000
z 0.000 0.000 -24.928
Traceless
 xyz
x 0.204 0.565 0.000
y 0.565 -0.884 0.000
z 0.000 0.000 0.680
Polar
3z2-r21.361
x2-y20.726
xy0.565
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.977 -1.566 0.000
y -1.566 5.473 0.000
z 0.000 0.000 3.896


<r2> (average value of r2) Å2
<r2> 77.165
(<r2>)1/2 8.784