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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-28.529891
Energy at 298.15K-28.535424
Nuclear repulsion energy42.291537
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' 3260 2974 54.18      
2 A' 3243 2959 8.31      
3 A' 3156 2880 30.12      
4 A' 1637 1494 4.81      
5 A' 1621 1479 1.39      
6 A' 1563 1427 6.93      
7 A' 1441 1315 66.92      
8 A' 1184 1080 2.03      
9 A' 1062 969 22.15      
10 A' 643 587 63.97      
11 A' 342 312 5.42      
12 A" 3346 3053 25.73      
13 A" 3271 2985 23.53      
14 A" 1620 1478 8.69      
15 A" 1381 1260 1.45      
16 A" 1176 1073 0.02      
17 A" 858 783 2.23      
18 A" 261 239 0.18      

Unscaled Zero Point Vibrational Energy (zpe) 15532.1 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 14173.1 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
1.02528 0.17327 0.15689

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 1.332 -0.091 0.000
C2 0.000 0.653 0.000
H3 2.143 0.634 0.000
H4 1.431 -0.716 0.880
H5 1.431 -0.716 -0.880
Cl6 -1.434 -0.564 0.000
H7 -0.147 1.250 0.886
H8 -0.147 1.250 -0.886

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 Cl6 H7 H8
C11.52571.08801.08361.08362.80672.18432.1843
C21.52572.14352.16692.16691.88081.07831.0783
H31.08802.14351.76181.76183.77302.53202.5320
H41.08362.16691.76181.75913.00142.52133.0778
H51.08362.16691.76181.75913.00143.07782.5213
Cl62.80671.88083.77303.00143.00142.39372.3937
H72.18431.07832.53202.52133.07782.39371.7713
H82.18431.07832.53203.07782.52132.39371.7713

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 110.528 C1 C2 H7 112.909
C1 C2 H8 112.909 C2 C1 H3 109.042
C2 C1 H4 111.162 C2 C1 H5 111.162
H3 C1 H4 108.438 H3 C1 H5 108.438
H4 C1 H5 108.520 Cl6 C2 H7 104.712
Cl6 C2 H8 104.712 H7 C2 H8 110.443
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 -0.403      
2 C -0.340      
3 H 0.153      
4 H 0.168      
5 H 0.168      
6 Cl -0.127      
7 H 0.191      
8 H 0.191      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.551 1.846 0.000 3.149
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.075 -1.202 0.000
y -1.202 -25.713 0.000
z 0.000 0.000 -25.764
Traceless
 xyz
x -3.336 -1.202 0.000
y -1.202 1.706 0.000
z 0.000 0.000 1.629
Polar
3z2-r23.259
x2-y2-3.361
xy-1.202
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.809 1.227 0.000
y 1.227 4.630 0.000
z 0.000 0.000 3.643


<r2> (average value of r2) Å2
<r2> 58.635
(<r2>)1/2 7.657