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

using model chemistry: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-997.778735
Energy at 298.15K-997.780859
Nuclear repulsion energy184.645236
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 mPW1PW91/6-31+G**
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 3272 3114 0.76      
2 A1 1687 1605 42.69      
3 A1 1232 1172 0.10      
4 A1 738 702 22.35      
5 A1 168 159 0.24      
6 A2 915 871 0.00      
7 A2 427 407 0.00      
8 B1 723 688 72.54      
9 B2 3252 3095 16.01      
10 B2 1333 1269 26.90      
11 B2 881 839 95.21      
12 B2 587 559 5.18      

Unscaled Zero Point Vibrational Energy (zpe) 7606.3 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 7239.7 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 mPW1PW91/6-31+G**
ABC
0.39345 0.08197 0.06783

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.665 0.954
C2 0.000 -0.665 0.954
H3 0.000 1.211 1.889
H4 0.000 -1.211 1.889
Cl5 0.000 1.657 -0.448
Cl6 0.000 -1.657 -0.448

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6
C11.33051.08262.09641.71752.7129
C21.33052.09641.08262.71291.7175
H31.08262.09642.42232.37903.6998
H42.09641.08262.42233.69982.3790
Cl51.71752.71292.37903.69983.3146
Cl62.71291.71753.69982.37903.3146

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 120.283 C1 C2 Cl6 125.283
C2 C1 H3 120.283 C2 C1 Cl5 125.283
H3 C1 Cl5 114.434 H4 C2 Cl6 114.434
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.293      
2 C -0.293      
3 H 0.215      
4 H 0.215      
5 Cl 0.078      
6 Cl 0.078      


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 2.001 2.001
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.758 0.000 0.000
y 0.000 -37.472 0.000
z 0.000 0.000 -32.601
Traceless
 xyz
x -3.721 0.000 0.000
y 0.000 -1.792 0.000
z 0.000 0.000 5.514
Polar
3z2-r211.027
x2-y2-1.286
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> 149.166
(<r2>)1/2 12.213