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All results from a given calculation for CHBrCHBr (Ethene, 1,2-dibromo-, (Z)-)

using model chemistry: wB97X-D/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A1
Energy calculated at wB97X-D/6-31G(2df,p)
 hartrees
Energy at 0K-5221.163498
Energy at 298.15K-5221.171226
HF Energy-5221.163498
Nuclear repulsion energy 
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 wB97X-D/6-31G(2df,p)
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 3260 3260 0.51      
2 A1 1687 1687 24.48      
3 A1 1207 1207 1.22      
4 A1 630 630 7.72      
5 A1 119 119 0.06      
6 A2 936 936 0.00      
7 A2 402 402 0.00      
8 B1 712 712 50.45      
9 B2 3237 3237 13.73      
10 B2 1307 1307 34.82      
11 B2 804 804 52.18      
12 B2 495 495 1.56      

Unscaled Zero Point Vibrational Energy (zpe) 7398.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7398.0 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 wB97X-D/6-31G(2df,p)
ABC
0.29100 0.03500 0.03124

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.662 1.241
C2 0.000 -0.662 1.241
Br3 0.000 1.722 -0.275
Br4 0.000 -1.722 -0.275
H5 0.000 1.210 2.174
H6 0.000 -1.210 2.174

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 H5 H6
C11.32471.84942.82541.08252.0922
C21.32472.82541.84942.09221.0825
Br31.84942.82543.44462.50223.8206
Br42.82541.84943.44463.82062.5022
H51.08252.09222.50223.82062.4199
H62.09221.08253.82062.50222.4199

picture of Ethene, 1,2-dibromo-, (Z)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Br4 124.970 C1 C2 H6 120.392
C2 C1 Br3 124.970 C2 C1 H5 120.392
Br3 C1 H5 114.638 Br4 C2 H6 114.638
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.243      
2 C -0.243      
3 Br 0.062      
4 Br 0.062      
5 H 0.181      
6 H 0.181      


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 1.734 1.734
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.331 0.000 0.000
y 0.000 -47.963 0.000
z 0.000 0.000 -41.727
Traceless
 xyz
x -4.486 0.000 0.000
y 0.000 -2.434 0.000
z 0.000 0.000 6.920
Polar
3z2-r213.840
x2-y2-1.368
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.762 0.000 0.000
y 0.000 11.961 0.000
z 0.000 0.000 8.665


<r2> (average value of r2) Å2
<r2> 277.992
(<r2>)1/2 16.673