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: TPSSh/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 TPSSh/cc-pVTZ
 hartrees
Energy at 0K-538.259959
Energy at 298.15K-538.262703
HF Energy-538.259959
Nuclear repulsion energy88.717491
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 TPSSh/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' 3240 3138 3.34      
2 A' 3203 3101 4.09      
3 A' 3148 3048 0.16      
4 A' 1661 1608 56.87      
5 A' 1413 1368 9.59      
6 A' 1305 1264 10.94      
7 A' 1040 1007 16.47      
8 A' 709 686 44.21      
9 A' 391 378 0.35      
10 A" 981 950 35.46      
11 A" 925 896 30.55      
12 A" 637 617 11.82      

Unscaled Zero Point Vibrational Energy (zpe) 9325.9 cm-1
Scaled (by 0.9683) Zero Point Vibrational Energy (zpe) 9030.3 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 TPSSh/cc-pVTZ
ABC
1.92697 0.19925 0.18058

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.760 0.000
C2 1.293 1.042 0.000
Cl3 -0.626 -0.863 0.000
H4 -0.785 1.504 0.000
H5 2.056 0.274 0.000
H6 1.613 2.077 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 H6
C11.32351.73951.08112.11242.0816
C21.32352.70372.12871.08201.0832
Cl31.73952.70372.37202.91263.6947
H41.08112.12872.37203.09522.4647
H52.11241.08202.91263.09521.8564
H62.08161.08323.69472.46471.8564

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 122.528 C1 C2 H6 119.420
C2 C1 Cl3 123.365 C2 C1 H4 124.264
Cl3 C1 H4 112.371 H5 C2 H6 118.051
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.047      
2 C -0.199      
3 Cl -0.108      
4 H 0.127      
5 H 0.115      
6 H 0.112      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.601 1.347 0.000 1.475
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.405 1.507 0.000
y 1.507 6.165 0.000
z 0.000 0.000 3.214


<r2> (average value of r2) Å2
<r2> 68.612
(<r2>)1/2 8.283