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All results from a given calculation for CH3CH2Cl (Ethyl chloride)

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 CS 1A'
Energy calculated at HF/CEP-121G*
 hartrees
Energy at 0K-28.583452
Energy at 298.15K-28.589023
Nuclear repulsion energy42.805518
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' 3272 2956 72.37      
2 A' 3258 2944 4.05      
3 A' 3189 2881 32.61      
4 A' 1633 1475 1.33      
5 A' 1626 1469 1.25      
6 A' 1550 1400 3.94      
7 A' 1448 1308 64.89      
8 A' 1170 1057 0.92      
9 A' 1045 945 18.82      
10 A' 720 651 51.41      
11 A' 351 317 3.34      
12 A" 3335 3013 34.72      
13 A" 3283 2966 21.32      
14 A" 1616 1460 6.19      
15 A" 1380 1247 0.26      
16 A" 1177 1064 0.06      
17 A" 842 760 0.97      
18 A" 277 250 0.19      

Unscaled Zero Point Vibrational Energy (zpe) 15586.4 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 14080.8 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
1.04988 0.18055 0.16340

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.312 -0.149 0.000
C2 0.000 0.629 0.000
H3 2.142 0.554 0.000
H4 1.391 -0.777 0.881
H5 1.391 -0.777 -0.881
Cl6 -1.424 -0.488 0.000
H7 -0.102 1.247 0.881
H8 -0.102 1.247 -0.881

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 Cl6 H7 H8
C11.52501.08841.08481.08482.75622.17322.1732
C21.52502.14362.16542.16541.80941.08091.0809
H31.08842.14361.76411.76413.71522.50862.5086
H41.08482.16541.76411.76192.96392.51513.0709
H51.08482.16541.76411.76192.96393.07092.5151
Cl62.75621.80943.71522.96392.96392.35192.3519
H72.17321.08092.50862.51513.07092.35191.7621
H82.17321.08092.50863.07092.51512.35191.7621

picture of Ethyl chloride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl6 111.215 C1 C2 H7 111.885
C1 C2 H8 111.885 C2 C1 H3 109.076
C2 C1 H4 111.015 C2 C1 H5 111.015
H3 C1 H4 108.534 H3 C1 H5 108.534
H4 C1 H5 108.598 Cl6 C2 H7 106.167
Cl6 C2 H8 106.167 H7 C2 H8 109.206
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.479      
2 C -0.203      
3 H 0.165      
4 H 0.175      
5 H 0.175      
6 Cl -0.211      
7 H 0.189      
8 H 0.189      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.058 1.380 0.000 2.478
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.129 -0.472 0.000
y -0.472 -25.388 0.000
z 0.000 0.000 -25.642
Traceless
 xyz
x -2.614 -0.472 0.000
y -0.472 1.498 0.000
z 0.000 0.000 1.116
Polar
3z2-r22.232
x2-y2-2.741
xy-0.472
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.871 0.801 0.000
y 0.801 4.743 0.000
z 0.000 0.000 4.088


<r2> (average value of r2) Å2
<r2> 57.097
(<r2>)1/2 7.556