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

using model chemistry: wB97X-D/6-311G**

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/6-311G**
 hartrees
Energy at 0K-5225.723661
Energy at 298.15K-5225.731327
HF Energy-5225.723661
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/6-311G**
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 3246 3105 0.57      
2 A1 1674 1601 33.04      
3 A1 1207 1154 1.95      
4 A1 601 575 8.34      
5 A1 110 105 0.03      
6 A2 929 889 0.00      
7 A2 390 373 0.00      
8 B1 698 668 74.14      
9 B2 3224 3083 16.35      
10 B2 1307 1250 43.72      
11 B2 779 745 71.38      
12 B2 484 463 2.18      

Unscaled Zero Point Vibrational Energy (zpe) 7324.3 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 7005.7 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 wB97X-D/6-311G**
ABC
0.29021 0.03334 0.02990

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.662 1.242
C2 0.000 -0.662 1.242
Br3 0.000 1.766 -0.275
Br4 0.000 -1.766 -0.275
H5 0.000 1.208 2.176
H6 0.000 -1.208 2.176

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 H5 H6
C11.32331.87692.86301.08192.0896
C21.32332.86301.87692.08961.0819
Br31.87692.86303.53192.51443.8539
Br42.86301.87693.53193.85392.5144
H51.08192.08962.51443.85392.4152
H62.08961.08193.85392.51442.4152

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 126.041 C1 C2 H6 120.309
C2 C1 Br3 126.041 C2 C1 H5 120.309
Br3 C1 H5 113.649 Br4 C2 H6 113.649
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.213      
2 C -0.213      
3 Br 0.029      
4 Br 0.029      
5 H 0.184      
6 H 0.184      


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 1.718 1.718
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.437 0.000 0.000
y 0.000 -48.279 0.000
z 0.000 0.000 -42.270
Traceless
 xyz
x -5.162 0.000 0.000
y 0.000 -1.926 0.000
z 0.000 0.000 7.088
Polar
3z2-r214.176
x2-y2-2.158
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.978 0.000 0.000
y 0.000 11.089 0.000
z 0.000 0.000 7.851


<r2> (average value of r2) Å2
<r2> 289.124
(<r2>)1/2 17.004