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

using model chemistry: wB97X-D/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-5225.733837
Energy at 298.15K-5225.741498
HF Energy-5225.733837
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/cc-pVDZ
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 3258 3103 0.05      
2 A1 1686 1606 33.19      
3 A1 1187 1131 1.38      
4 A1 608 580 8.94      
5 A1 109 104 0.04      
6 A2 916 872 0.00      
7 A2 389 370 0.00      
8 B1 697 664 61.78      
9 B2 3235 3082 17.04      
10 B2 1287 1226 42.89      
11 B2 778 742 64.85      
12 B2 486 463 2.27      

Unscaled Zero Point Vibrational Energy (zpe) 7318.0 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 6971.2 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 wB97X-D/cc-pVDZ
ABC
0.28766 0.03355 0.03004

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.665 1.248
C2 0.000 -0.665 1.248
Br3 0.000 1.760 -0.276
Br4 0.000 -1.760 -0.276
H5 0.000 1.215 2.189
H6 0.000 -1.215 2.189

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 H5 H6
C11.32991.87662.86411.09082.1030
C21.32992.86411.87662.10301.0908
Br31.87662.86413.52012.52503.8643
Br42.86411.87663.52013.86432.5250
H51.09082.10302.52503.86432.4309
H62.10301.09083.86432.52502.4309

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 125.701 C1 C2 H6 120.311
C2 C1 Br3 125.701 C2 C1 H5 120.311
Br3 C1 H5 113.988 Br4 C2 H6 113.988
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.088      
2 C -0.088      
3 Br -0.001      
4 Br -0.001      
5 H 0.089      
6 H 0.089      


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 1.657 1.657
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.930 0.000 0.000
y 0.000 -47.790 0.000
z 0.000 0.000 -41.994
Traceless
 xyz
x -5.038 0.000 0.000
y 0.000 -1.828 0.000
z 0.000 0.000 6.866
Polar
3z2-r213.732
x2-y2-2.140
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.756 0.000 0.000
y 0.000 10.630 0.000
z 0.000 0.000 7.747


<r2> (average value of r2) Å2
<r2> 287.797
(<r2>)1/2 16.965