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 CH3CH2Cl (Ethyl chloride)

using model chemistry: HF/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-538.159023
Energy at 298.15K-538.164608
Nuclear repulsion energy102.548958
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/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' 3266 2965 48.47      
2 A' 3253 2954 2.07      
3 A' 3184 2891 24.09      
4 A' 1599 1452 1.55      
5 A' 1596 1449 1.21      
6 A' 1523 1383 3.88      
7 A' 1420 1289 50.90      
8 A' 1168 1060 0.95      
9 A' 1051 954 20.13      
10 A' 704 639 48.00      
11 A' 355 323 3.34      
12 A" 3325 3019 20.57      
13 A" 3280 2978 11.48      
14 A" 1582 1436 6.85      
15 A" 1368 1242 0.38      
16 A" 1157 1051 0.00      
17 A" 843 765 2.24      
18 A" 286 260 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 15478.9 cm-1
Scaled (by 0.908) Zero Point Vibrational Energy (zpe) 14054.9 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/cc-pVDZ
ABC
1.05580 0.18117 0.16415

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.507 0.667 0.000
C2 0.000 0.816 0.000
H3 1.966 1.660 0.000
H4 1.846 0.129 0.885
H5 1.846 0.129 -0.885
Cl6 -0.822 -0.793 0.000
H7 -0.359 1.334 0.885
H8 -0.359 1.334 -0.885

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 Cl6 H7 H8
C11.51381.09351.09031.09032.74902.16972.1697
C21.51382.13932.15952.15951.80721.08661.0866
H31.09352.13931.77231.77233.71372.50852.5085
H41.09032.15951.77231.77022.95872.51293.0737
H51.09032.15951.77231.77022.95873.07372.5129
Cl62.74901.80723.71372.95872.95872.35072.3507
H72.16971.08662.50852.51293.07372.35071.7699
H82.16971.08662.50853.07372.51292.35071.7699

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 111.432 C1 C2 H7 112.050
C1 C2 H8 112.050 C2 C1 H3 109.205
C2 C1 H4 111.002 C2 C1 H5 111.002
H3 C1 H4 108.506 H3 C1 H5 108.506
H4 C1 H5 108.550 Cl6 C2 H7 105.944
Cl6 C2 H8 105.944 H7 C2 H8 109.061
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.038 -0.078    
2 C -0.072 0.089    
3 H 0.040 0.030    
4 H 0.052 0.043    
5 H 0.052 0.043    
6 Cl -0.198 -0.248    
7 H 0.082 0.060    
8 H 0.082 0.060    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.260 2.027 0.000 2.387
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.141 -0.457 0.000
y -0.457 -25.833 0.000
z 0.000 0.000 -26.253
Traceless
 xyz
x -1.098 -0.457 0.000
y -0.457 0.864 0.000
z 0.000 0.000 0.234
Polar
3z2-r20.469
x2-y2-1.308
xy-0.457
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.848 0.973 0.000
y 0.973 5.352 0.000
z 0.000 0.000 3.785


<r2> (average value of r2) Å2
<r2> 79.395
(<r2>)1/2 8.910