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All results from a given calculation for CHClCHCl (Ethene, 1,2-dichloro-, (Z)-)

using model chemistry: mPW1PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/3-21G
 hartrees
Energy at 0K-992.932893
Energy at 298.15K-992.934943
Nuclear repulsion energy181.588102
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 mPW1PW91/3-21G
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 3304 3154 0.66      
2 A1 1709 1631 23.76      
3 A1 1225 1170 0.04      
4 A1 659 629 24.92      
5 A1 168 160 0.31      
6 A2 965 921 0.00      
7 A2 412 393 0.00      
8 B1 753 719 99.81      
9 B2 3278 3129 19.08      
10 B2 1326 1266 24.44      
11 B2 798 762 73.55      
12 B2 545 520 9.46      

Unscaled Zero Point Vibrational Energy (zpe) 7570.0 cm-1
Scaled (by 0.9546) Zero Point Vibrational Energy (zpe) 7226.4 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 mPW1PW91/3-21G
ABC
0.35053 0.08289 0.06704

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.658 1.023
C2 0.000 -0.658 1.023
H3 0.000 1.247 1.927
H4 0.000 -1.247 1.927
Cl5 0.000 1.648 -0.474
Cl6 0.000 -1.648 -0.474

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6
C11.31641.07932.10901.79442.7492
C21.31642.10901.07932.74921.7944
H31.07932.10902.49392.43493.7612
H42.10901.07932.49393.76122.4349
Cl51.79442.74922.43493.76123.2952
Cl62.74921.79443.76122.43493.2952

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 123.055 C1 C2 Cl6 123.460
C2 C1 H3 123.055 C2 C1 Cl5 123.460
H3 C1 Cl5 113.485 H4 C2 Cl6 113.485
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.426      
2 C -0.426      
3 H 0.301      
4 H 0.301      
5 Cl 0.125      
6 Cl 0.125      


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 2.643 2.643
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.205 0.000 0.000
y 0.000 -38.024 0.000
z 0.000 0.000 -32.269
Traceless
 xyz
x -4.058 0.000 0.000
y 0.000 -2.287 0.000
z 0.000 0.000 6.345
Polar
3z2-r212.690
x2-y2-1.180
xy0.000
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 151.030
(<r2>)1/2 12.289