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: B3LYP/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/SDD
 hartrees
Energy at 0K-539.395060
Energy at 298.15K-539.400437
Nuclear repulsion energy99.950940
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 B3LYP/SDD
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' 3138 3016 50.31      
2 A' 3123 3002 3.55      
3 A' 3045 2927 21.77      
4 A' 1524 1465 8.57      
5 A' 1506 1448 2.65      
6 A' 1445 1390 15.44      
7 A' 1324 1273 35.02      
8 A' 1103 1060 2.51      
9 A' 1000 961 27.47      
10 A' 599 576 28.92      
11 A' 320 307 4.70      
12 A" 3211 3086 32.04      
13 A" 3159 3036 14.00      
14 A" 1504 1446 13.55      
15 A" 1274 1224 1.77      
16 A" 1069 1028 0.41      
17 A" 806 775 8.80      
18 A" 257 247 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 14702.8 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 14133.8 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 B3LYP/SDD
ABC
1.00974 0.17113 0.15497

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.518 0.722 0.000
C2 0.000 0.867 0.000
H3 1.981 1.720 0.000
H4 1.864 0.183 0.889
H5 1.864 0.183 -0.889
Cl6 -0.827 -0.844 0.000
H7 -0.381 1.360 0.896
H8 -0.381 1.360 -0.896

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 Cl6 H7 H8
C11.52501.10011.09531.09532.81972.19442.1944
C21.52502.15702.17532.17531.90061.09141.0914
H31.10012.15701.77881.77883.80252.55182.5518
H41.09532.17531.77881.77743.01412.53433.0998
H51.09532.17531.77881.77743.01413.09982.5343
Cl62.81971.90063.80253.01413.01412.42092.4209
H72.19441.09142.55182.53433.09982.42091.7926
H82.19441.09142.55183.09982.53432.42091.7926

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 110.318 C1 C2 H7 112.964
C1 C2 H8 112.964 C2 C1 H3 109.445
C2 C1 H4 111.172 C2 C1 H5 111.172
H3 C1 H4 108.246 H3 C1 H5 108.246
H4 C1 H5 108.467 Cl6 C2 H7 104.769
Cl6 C2 H8 104.769 H7 C2 H8 110.423
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.558      
2 C -0.465      
3 H 0.198      
4 H 0.222      
5 H 0.222      
6 Cl -0.106      
7 H 0.243      
8 H 0.243      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.361 2.251 0.000 2.630
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.616 -0.544 0.000
y -0.544 -25.472 0.000
z 0.000 0.000 -25.885
Traceless
 xyz
x -0.938 -0.544 0.000
y -0.544 0.779 0.000
z 0.000 0.000 0.159
Polar
3z2-r20.318
x2-y2-1.145
xy-0.544
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.435 1.195 0.000
y 1.195 5.296 0.000
z 0.000 0.000 3.311


<r2> (average value of r2) Å2
<r2> 82.506
(<r2>)1/2 9.083