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: PBEPBE/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/aug-cc-pVTZ
 hartrees
Energy at 0K-539.171267
Energy at 298.15K-539.176621
Nuclear repulsion energy102.106026
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 PBEPBE/aug-cc-pVTZ
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' 3041 3022 19.75      
2 A' 3014 2994 10.94      
3 A' 2971 2952 15.31      
4 A' 1447 1437 3.17      
5 A' 1435 1426 1.11      
6 A' 1356 1347 6.58      
7 A' 1260 1252 30.08      
8 A' 1058 1051 0.68      
9 A' 953 947 22.43      
10 A' 647 643 25.68      
11 A' 320 318 2.96      
12 A" 3077 3057 14.58      
13 A" 3051 3031 1.97      
14 A" 1428 1419 9.34      
15 A" 1229 1221 0.23      
16 A" 1035 1029 0.01      
17 A" 762 757 3.24      
18 A" 243 242 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 14163.4 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 14071.4 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 PBEPBE/aug-cc-pVTZ
ABC
1.04793 0.17970 0.16289

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.508 0.675 0.000
C2 0.000 0.820 0.000
H3 1.969 1.675 0.000
H4 1.855 0.136 0.890
H5 1.855 0.136 -0.890
Cl6 -0.823 -0.800 0.000
H7 -0.367 1.338 0.892
H8 -0.367 1.338 -0.892

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 Cl6 H7 H8
C11.51471.10061.09721.09722.75842.17962.1796
C21.51472.14662.16792.16791.81641.09531.0953
H31.10062.14661.78141.78143.73062.52342.5234
H41.09722.16791.78141.78052.97292.52613.0918
H51.09722.16791.78141.78052.97293.09182.5261
Cl62.75841.81643.73062.97292.97292.36062.3606
H72.17961.09532.52342.52613.09182.36061.7849
H82.17961.09532.52343.09182.52612.36061.7849

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 111.480 C1 C2 H7 112.255
C1 C2 H8 112.255 C2 C1 H3 109.305
C2 C1 H4 111.195 C2 C1 H5 111.195
H3 C1 H4 108.296 H3 C1 H5 108.296
H4 C1 H5 108.462 Cl6 C2 H7 105.652
Cl6 C2 H8 105.652 H7 C2 H8 109.133
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.605      
2 C -0.158      
3 H 0.201      
4 H 0.226      
5 H 0.226      
6 Cl -0.257      
7 H 0.184      
8 H 0.184      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.160 1.808 0.000 2.148
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.166 -0.268 0.000
y -0.268 -26.034 0.000
z 0.000 0.000 -26.527
Traceless
 xyz
x -0.885 -0.268 0.000
y -0.268 0.812 0.000
z 0.000 0.000 0.073
Polar
3z2-r20.146
x2-y2-1.132
xy-0.268
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.046 0.915 0.000
y 0.915 6.961 0.000
z 0.000 0.000 5.647


<r2> (average value of r2) Å2
<r2> 80.018
(<r2>)1/2 8.945