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/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 PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-539.123464
Energy at 298.15K-539.128833
Nuclear repulsion energy101.649815
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/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' 3058 3041 15.93      
2 A' 3012 2994 16.08      
3 A' 2975 2958 15.17      
4 A' 1424 1416 2.27      
5 A' 1415 1407 0.53      
6 A' 1340 1333 4.85      
7 A' 1246 1239 36.64      
8 A' 1061 1055 1.09      
9 A' 957 951 22.16      
10 A' 651 647 26.77      
11 A' 323 321 3.40      
12 A" 3088 3070 18.79      
13 A" 3064 3046 0.00      
14 A" 1403 1395 7.89      
15 A" 1217 1210 0.61      
16 A" 1023 1017 0.04      
17 A" 763 758 4.11      
18 A" 260 258 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 14138.9 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 14056.9 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 PBEPBE/cc-pVDZ
ABC
1.03825 0.17837 0.16174

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.512 0.679 0.000
C2 0.000 0.821 0.000
H3 1.976 1.688 0.000
H4 1.864 0.135 0.898
H5 1.864 0.135 -0.898
Cl6 -0.825 -0.803 0.000
H7 -0.372 1.346 0.900
H8 -0.372 1.346 -0.900

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 Cl6 H7 H8
C11.51831.11061.10761.10762.76762.19162.1916
C21.51832.15822.17962.17961.82141.10681.1068
H31.11062.15821.79761.79763.74902.53782.5378
H41.10762.17961.79761.79642.98652.54273.1144
H51.10762.17961.79761.79642.98653.11442.5427
Cl62.76761.82143.74902.98652.98652.37392.3739
H72.19161.10682.53782.54273.11442.37391.8004
H82.19161.10682.53783.11442.54272.37391.8004

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 111.610 C1 C2 H7 112.255
C1 C2 H8 112.255 C2 C1 H3 109.377
C2 C1 H4 111.238 C2 C1 H5 111.238
H3 C1 H4 108.260 H3 C1 H5 108.260
H4 C1 H5 108.372 Cl6 C2 H7 105.731
Cl6 C2 H8 105.731 H7 C2 H8 108.845
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.048      
2 C -0.122      
3 H 0.043      
4 H 0.053      
5 H 0.053      
6 Cl -0.142      
7 H 0.081      
8 H 0.081      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.099 1.731 0.000 2.050
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.607 -0.219 0.000
y -0.219 -25.517 0.000
z 0.000 0.000 -26.079
Traceless
 xyz
x -0.809 -0.219 0.000
y -0.219 0.827 0.000
z 0.000 0.000 -0.017
Polar
3z2-r2-0.035
x2-y2-1.091
xy-0.219
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.325 1.016 0.000
y 1.016 5.594 0.000
z 0.000 0.000 4.029


<r2> (average value of r2) Å2
<r2> 80.222
(<r2>)1/2 8.957