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

using model chemistry: PBE1PBE/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 PBE1PBE/6-311G*
 hartrees
Energy at 0K-5224.943862
Energy at 298.15K-5224.951501
HF Energy-5224.943862
Nuclear repulsion energy428.407603
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 PBE1PBE/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 3244 3109 1.28      
2 A1 1663 1594 35.96      
3 A1 1197 1147 1.31      
4 A1 603 578 8.40      
5 A1 108 104 0.02      
6 A2 901 864 0.00      
7 A2 387 371 0.00      
8 B1 690 661 79.54      
9 B2 3222 3088 14.00      
10 B2 1300 1246 41.07      
11 B2 779 747 74.53      
12 B2 485 465 1.95      

Unscaled Zero Point Vibrational Energy (zpe) 7289.7 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 6987.2 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 PBE1PBE/6-311G*
ABC
0.29129 0.03350 0.03004

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.663 1.240
C2 0.000 -0.663 1.240
Br3 0.000 1.761 -0.275
Br4 0.000 -1.761 -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
C11.32511.87122.85821.08332.0931
C21.32512.85821.87122.09311.0833
Br31.87122.85823.52292.51043.8509
Br42.85821.87123.52293.85092.5104
H51.08332.09312.51043.85092.4205
H62.09311.08333.85092.51042.4205

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 125.964 C1 C2 H6 120.372
C2 C1 Br3 125.964 C2 C1 H5 120.372
Br3 C1 H5 113.664 Br4 C2 H6 113.664
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.323      
2 C -0.323      
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 1.694 1.694
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.519 0.000 0.000
y 0.000 -48.159 0.000
z 0.000 0.000 -42.222
Traceless
 xyz
x -5.329 0.000 0.000
y 0.000 -1.789 0.000
z 0.000 0.000 7.118
Polar
3z2-r214.236
x2-y2-2.360
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.929 0.000 0.000
y 0.000 11.108 0.000
z 0.000 0.000 7.849


<r2> (average value of r2) Å2
<r2> 287.907
(<r2>)1/2 16.968