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 CHClCH3 (1-chloroethyl radical)

using model chemistry: BLYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at BLYP/STO-3G
 hartrees
Energy at 0K-532.685898
Energy at 298.15K-532.689273
HF Energy-532.685898
Nuclear repulsion energy91.277605
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/STO-3G
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 3361 3110 0.32      
2 A 3313 3065 1.00      
3 A 3310 3063 1.42      
4 A 3170 2933 0.10      
5 A 1617 1496 2.90      
6 A 1602 1482 5.34      
7 A 1508 1396 1.84      
8 A 1339 1238 51.81      
9 A 1136 1051 8.04      
10 A 1071 991 8.56      
11 A 1054 975 13.88      
12 A 752 695 20.12      
13 A 511 473 17.09      
14 A 314 291 1.78      
15 A 150 139 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 12104.8 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 11199.4 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 BLYP/STO-3G
ABC
1.30501 0.17039 0.15589

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.486 0.634 -0.116
C2 1.705 -0.285 0.016
Cl3 -1.160 -0.130 0.009
H4 0.504 1.665 0.299
H5 1.614 -1.165 -0.654
H6 2.618 0.285 -0.261
H7 1.837 -0.659 1.059

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 H6 H7
C11.53161.81951.11132.19042.16502.2079
C21.53162.86922.30731.11011.11131.1160
Cl31.81952.86922.46463.03443.81053.2192
H41.11132.30732.46463.18582.58642.7849
H52.19041.11013.03443.18581.80661.8001
H62.16501.11133.81052.58641.80661.8013
H72.20791.11603.21922.78491.80011.8013

picture of 1-chloroethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.020 C1 C2 H6 108.968
C1 C2 H7 112.054 C2 C1 Cl3 117.534
C2 C1 H4 120.798 H5 C2 H6 108.834
H5 C2 H7 107.923 H6 C2 H7 107.946
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.023      
2 C -0.220      
3 Cl -0.122      
4 H 0.091      
5 H 0.094      
6 H 0.091      
7 H 0.090      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.880 0.434 0.297 1.953
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.722 0.001 0.134
y 0.001 -23.121 0.390
z 0.134 0.390 -24.181
Traceless
 xyz
x -0.071 0.001 0.134
y 0.001 0.831 0.390
z 0.134 0.390 -0.760
Polar
3z2-r2-1.520
x2-y2-0.601
xy0.001
xz0.134
yz0.390


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.692 0.462 -0.032
y 0.462 1.993 0.049
z -0.032 0.049 1.243


<r2> (average value of r2) Å2
<r2> 79.234
(<r2>)1/2 8.901