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

using model chemistry: B97D3/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A1
Energy calculated at B97D3/6-311G**
 hartrees
Energy at 0K-5228.245187
Energy at 298.15K-5228.252709
HF Energy-5228.245187
Nuclear repulsion energy423.312595
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 B97D3/6-311G**
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 3166 3121 2.02      
2 A1 1584 1561 41.15      
3 A1 1155 1139 1.87      
4 A1 559 551 9.46      
5 A1 106 104 0.02      
6 A2 843 831 0.00      
7 A2 368 363 0.00      
8 B1 656 647 72.06      
9 B2 3144 3099 12.63      
10 B2 1252 1234 46.43      
11 B2 734 723 79.16      
12 B2 462 455 4.09      

Unscaled Zero Point Vibrational Energy (zpe) 7013.9 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 6913.6 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 B97D3/6-311G**
ABC
0.28665 0.03260 0.02927

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.667 1.251
C2 0.000 -0.667 1.251
Br3 0.000 1.786 -0.277
Br4 0.000 -1.786 -0.277
H5 0.000 1.220 2.185
H6 0.000 -1.220 2.185

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 H5 H6
C11.33331.89392.88951.08592.1055
C21.33332.88951.89392.10551.0859
Br31.89392.88953.57202.52613.8857
Br42.88951.89393.57203.88572.5261
H51.08592.10552.52613.88572.4406
H62.10551.08593.88572.52612.4406

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 126.229 C1 C2 H6 120.654
C2 C1 Br3 126.229 C2 C1 H5 120.654
Br3 C1 H5 113.117 Br4 C2 H6 113.117
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.193      
2 C -0.193      
3 Br 0.023      
4 Br 0.023      
5 H 0.170      
6 H 0.170      


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 1.640 1.640
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.126 0.000 0.000
y 0.000 -47.982 0.000
z 0.000 0.000 -42.270
Traceless
 xyz
x -5.000 0.000 0.000
y 0.000 -1.784 0.000
z 0.000 0.000 6.785
Polar
3z2-r213.569
x2-y2-2.144
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.991 0.000 0.000
y 0.000 11.601 0.000
z 0.000 0.000 8.145


<r2> (average value of r2) Å2
<r2> 294.512
(<r2>)1/2 17.161