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All results from a given calculation for CH2CCl2 (Ethene, 1,1-dichloro-)

using model chemistry: PBEPBE/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 PBEPBE/3-21G
 hartrees
Energy at 0K-992.427514
Energy at 298.15K-992.429381
Nuclear repulsion energy183.294055
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 PBEPBE/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 3121 3093 6.63      
2 A1 1650 1635 81.43      
3 A1 1415 1402 0.17      
4 A1 533 528 18.06      
5 A1 264 261 0.28      
6 A2 679 673 0.00      
7 B1 898 890 71.65      
8 B1 431 427 6.80      
9 B2 3214 3184 0.86      
10 B2 1084 1074 112.47      
11 B2 690 684 124.34      
12 B2 359 356 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 7168.2 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 7102.9 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 PBEPBE/3-21G
ABC
0.23519 0.10387 0.07205

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.788
C2 0.000 0.000 0.461
H3 0.000 0.940 2.344
H4 0.000 -0.940 2.344
Cl5 0.000 1.515 -0.535
Cl6 0.000 -1.515 -0.535

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6
C11.32731.09151.09152.77362.7736
C21.32732.10402.10401.81301.8130
H31.09152.10401.87942.93553.7831
H41.09152.10401.87943.78312.9355
Cl52.77361.81302.93553.78313.0299
Cl62.77361.81303.78312.93553.0299

picture of Ethene, 1,1-dichloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl5 123.324 C1 C2 Cl6 123.324
C2 C1 H3 120.581 C2 C1 H4 120.581
H3 C1 H4 118.838 Cl5 C2 Cl6 113.352
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.332      
2 C -0.495      
3 H 0.251      
4 H 0.251      
5 Cl 0.162      
6 Cl 0.162      


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 1.949 1.949
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.156 0.000 0.000
y 0.000 -37.240 0.000
z 0.000 0.000 -33.125
Traceless
 xyz
x -3.973 0.000 0.000
y 0.000 -1.099 0.000
z 0.000 0.000 5.073
Polar
3z2-r210.145
x2-y2-1.916
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.765 0.000 0.000
y 0.000 7.434 0.000
z 0.000 0.000 7.094


<r2> (average value of r2) Å2
<r2> 143.779
(<r2>)1/2 11.991