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 CHClCHCl (Ethene, 1,2-dichloro-, (Z)-)

using model chemistry: B3LYP/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/TZVP
 hartrees
Energy at 0K-997.857932
Energy at 298.15K-997.860013
HF Energy-997.857932
Nuclear repulsion energy183.345832
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/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3228 3117 1.16      
2 A1 1654 1597 41.48      
3 A1 1221 1179 0.00      
4 A1 697 673 23.91      
5 A1 167 161 0.26      
6 A2 910 878 0.00      
7 A2 420 406 0.00      
8 B1 715 690 68.66      
9 B2 3208 3097 13.46      
10 B2 1320 1274 27.66      
11 B2 842 813 90.19      
12 B2 569 549 8.44      

Unscaled Zero Point Vibrational Energy (zpe) 7474.4 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 7215.8 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/TZVP
ABC
0.38662 0.08084 0.06686

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.662 0.964
C2 0.000 -0.662 0.964
H3 0.000 1.213 1.894
H4 0.000 -1.213 1.894
Cl5 0.000 1.670 -0.452
Cl6 0.000 -1.670 -0.452

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6
C11.32401.08032.09271.73832.7284
C21.32402.09271.08032.72841.7383
H31.08032.09272.42632.38953.7166
H42.09271.08032.42633.71662.3895
Cl51.73832.72842.38953.71663.3400
Cl62.72841.73833.71662.38953.3400

picture of Ethene, 1,2-dichloro-, (Z)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 120.674 C1 C2 Cl6 125.441
C2 C1 H3 120.674 C2 C1 Cl5 125.441
H3 C1 Cl5 113.885 H4 C2 Cl6 113.885
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.136      
2 C -0.136      
3 H 0.182      
4 H 0.182      
5 Cl -0.046      
6 Cl -0.046      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.967 1.967
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.747 0.000 0.000
y 0.000 -37.771 0.000
z 0.000 0.000 -32.691
Traceless
 xyz
x -3.516 0.000 0.000
y 0.000 -2.052 0.000
z 0.000 0.000 5.568
Polar
3z2-r211.136
x2-y2-0.976
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.800 0.000 0.000
y 0.000 9.058 0.000
z 0.000 0.000 6.714


<r2> (average value of r2) Å2
<r2> 151.034
(<r2>)1/2 12.290