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 C2H3Cl (Ethene, chloro-)

using model chemistry: B3LYPultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYPultrafine/6-31G*
 hartrees
Energy at 0K-538.185391
Energy at 298.15K-538.188121
Nuclear repulsion energy88.251626
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 B3LYPultrafine/6-31G*
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' 3269 3132 4.17      
2 A' 3233 3097 5.33      
3 A' 3179 3045 0.10      
4 A' 1691 1620 50.38      
5 A' 1424 1364 8.75      
6 A' 1321 1265 12.91      
7 A' 1051 1006 18.52      
8 A' 711 681 43.65      
9 A' 399 383 0.34      
10 A" 979 938 38.53      
11 A" 916 878 27.91      
12 A" 635 608 10.14      

Unscaled Zero Point Vibrational Energy (zpe) 9403.1 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 9008.2 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 B3LYPultrafine/6-31G*
ABC
1.91573 0.19687 0.17852

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.765 0.000
C2 1.296 1.051 0.000
Cl3 -0.628 -0.869 0.000
H4 -0.788 1.510 0.000
H5 2.064 0.284 0.000
H6 1.614 2.090 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 H6
C11.32751.75111.08442.11912.0875
C21.32752.71842.13431.08511.0861
Cl31.75112.71842.38532.92773.7121
H41.08442.13432.38533.10422.4703
H52.11911.08512.92773.10421.8614
H62.08751.08613.71212.47031.8614

picture of Ethene, chloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 122.565 C1 C2 H6 119.405
C2 C1 Cl3 123.424 C2 C1 H4 124.171
Cl3 C1 H4 112.405 H5 C2 H6 118.030
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.207      
2 C -0.291      
3 Cl -0.028      
4 H 0.190      
5 H 0.172      
6 H 0.164      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.669 1.466 0.000 1.611
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.148 -0.099 0.000
y -0.099 -22.773 0.000
z 0.000 0.000 -26.646
Traceless
 xyz
x 1.561 -0.099 0.000
y -0.099 2.124 0.000
z 0.000 0.000 -3.685
Polar
3z2-r2-7.371
x2-y2-0.375
xy-0.099
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.646 1.467 0.000
y 1.467 5.462 0.000
z 0.000 0.000 2.009


<r2> (average value of r2) Å2
<r2> 69.091
(<r2>)1/2 8.312