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All results from a given calculation for CHClCH3 (1-chloroethyl radical)

using model chemistry: HF/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at HF/CEP-121G
 hartrees
Energy at 0K-27.899854
Energy at 298.15K-27.903541
HF Energy-27.899854
Nuclear repulsion energy37.085343
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 HF/CEP-121G
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 3340 3048 17.94      
2 A 3257 2972 21.77      
3 A 3223 2941 32.11      
4 A 3136 2862 25.86      
5 A 1625 1482 5.34      
6 A 1608 1468 12.32      
7 A 1558 1422 8.13      
8 A 1379 1258 66.54      
9 A 1193 1088 1.41      
10 A 1122 1024 5.91      
11 A 1102 1005 17.73      
12 A 700 639 48.20      
13 A 525 479 30.86      
14 A 339 309 2.19      
15 A 180 164 0.49      

Unscaled Zero Point Vibrational Energy (zpe) 12142.4 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 11080.0 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 HF/CEP-121G
ABC
1.33719 0.17401 0.15898

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.496 0.632 -0.098
C2 1.685 -0.285 0.014
Cl3 -1.150 -0.129 0.007
H4 0.491 1.648 0.256
H5 1.616 -1.098 -0.700
H6 2.591 0.278 -0.187
H7 1.765 -0.718 1.010

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 H6 H7
C11.50591.81581.07562.14772.12732.1594
C21.50592.83882.28471.08441.08591.0890
Cl31.81582.83882.43083.01543.76823.1385
H41.07562.28472.43083.11802.54662.7911
H52.14771.08443.01543.11801.76291.7583
H62.12731.08593.76822.54661.76291.7626
H72.15941.08903.13852.79111.75831.7626

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 110.968 C1 C2 H6 109.252
C1 C2 H7 111.636 C2 C1 Cl3 117.128
C2 C1 H4 123.648 H5 C2 H6 108.633
H5 C2 H7 107.992 H6 C2 H7 108.273
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.126      
2 C -0.445      
3 Cl -0.116      
4 H 0.178      
5 H 0.176      
6 H 0.163      
7 H 0.170      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.566 0.698 0.354 2.682
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.579 0.077 0.124
y 0.077 -24.322 0.592
z 0.124 0.592 -26.225
Traceless
 xyz
x -0.305 0.077 0.124
y 0.077 1.580 0.592
z 0.124 0.592 -1.275
Polar
3z2-r2-2.549
x2-y2-1.257
xy0.077
xz0.124
yz0.592


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.035 0.715 -0.059
y 0.715 3.997 0.028
z -0.059 0.028 3.013


<r2> (average value of r2) Å2
<r2> 58.328
(<r2>)1/2 7.637