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 CH2CCl2 (Ethene, 1,1-dichloro-)

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-997.855281
Energy at 298.15K-997.857332
HF Energy-997.855281
Nuclear repulsion energy188.447165
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 3172 3062 2.22      
2 A1 1667 1609 88.43      
3 A1 1410 1361 0.30      
4 A1 590 570 17.87      
5 A1 297 287 0.01      
6 A2 694 670 0.00      
7 B1 906 874 48.15      
8 B1 471 455 7.46      
9 B2 3266 3153 0.07      
10 B2 1096 1058 103.46      
11 B2 755 729 112.42      
12 B2 382 368 0.15      

Unscaled Zero Point Vibrational Energy (zpe) 7352.8 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 7098.4 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 B3LYP/TZVP
ABC
0.24687 0.11049 0.07633

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 0.000 1.751
C2 0.000 0.000 0.430
H3 0.000 0.931 2.300
H4 0.000 -0.931 2.300
Cl5 0.000 1.469 -0.520
Cl6 0.000 -1.469 -0.520

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6
C11.32181.08051.08052.70492.7049
C21.32182.08942.08941.74891.7489
H31.08052.08941.86132.87123.7028
H41.08052.08941.86133.70282.8712
Cl52.70491.74892.87123.70282.9370
Cl62.70491.74893.70282.87122.9370

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 122.892 C1 C2 Cl6 122.892
C2 C1 H3 120.532 C2 C1 H4 120.532
H3 C1 H4 118.935 Cl5 C2 Cl6 114.216
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 -0.212      
2 C -0.038      
3 H 0.151      
4 H 0.151      
5 Cl -0.027      
6 Cl -0.027      


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 1.453 1.453
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.757 0.000 0.000
y 0.000 -36.497 0.000
z 0.000 0.000 -34.018
Traceless
 xyz
x -3.500 0.000 0.000
y 0.000 -0.110 0.000
z 0.000 0.000 3.610
Polar
3z2-r27.219
x2-y2-2.260
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.852 0.000 0.000
y 0.000 7.850 0.000
z 0.000 0.000 8.219


<r2> (average value of r2) Å2
<r2> 137.096
(<r2>)1/2 11.709