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

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-311G*
 hartrees
Energy at 0K-5224.908476
Energy at 298.15K-5224.916109
HF Energy-5224.908476
Nuclear repulsion energy428.182531
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 HSEh1PBE/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 3242 3111 1.43      
2 A1 1659 1592 36.45      
3 A1 1196 1148 1.35      
4 A1 600 575 8.46      
5 A1 108 104 0.02      
6 A2 900 864 0.00      
7 A2 386 371 0.00      
8 B1 690 662 79.87      
9 B2 3220 3090 13.68      
10 B2 1299 1247 41.37      
11 B2 776 744 75.19      
12 B2 483 464 2.10      

Unscaled Zero Point Vibrational Energy (zpe) 7279.6 cm-1
Scaled (by 0.9596) Zero Point Vibrational Energy (zpe) 6985.5 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 HSEh1PBE/6-311G*
ABC
0.29060 0.03348 0.03002

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/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 1.762 -0.275
Br4 0.000 -1.762 -0.275
H5 0.000 1.211 2.175
H6 0.000 -1.211 2.175

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 H5 H6
C11.32481.87322.85961.08312.0932
C21.32482.85961.87322.09321.0831
Br31.87322.85963.52392.51173.8527
Br42.85961.87323.52393.85272.5117
H51.08312.09322.51173.85272.4219
H62.09321.08313.85272.51172.4219

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 125.943 C1 C2 H6 120.430
C2 C1 Br3 125.943 C2 C1 H5 120.430
Br3 C1 H5 113.628 Br4 C2 H6 113.628
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.322      
2 C -0.322      
3 Br 0.045      
4 Br 0.045      
5 H 0.278      
6 H 0.278      


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 1.688 1.688
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.572 0.000 0.000
y 0.000 -48.205 0.000
z 0.000 0.000 -42.271
Traceless
 xyz
x -5.334 0.000 0.000
y 0.000 -1.784 0.000
z 0.000 0.000 7.117
Polar
3z2-r214.235
x2-y2-2.367
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.934 0.000 0.000
y 0.000 11.148 0.000
z 0.000 0.000 7.876


<r2> (average value of r2) Å2
<r2> 288.133
(<r2>)1/2 16.974