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

using model chemistry: B3LYPultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A1
Energy calculated at B3LYPultrafine/6-31G*
 hartrees
Energy at 0K-5220.794715
Energy at 298.15K-5220.802298
HF Energy-5220.794715
Nuclear repulsion energy428.144095
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 B3LYPultrafine/6-31G*
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 3108 1.31      
2 A1 1649 1579 33.12      
3 A1 1183 1134 2.07      
4 A1 575 551 10.32      
5 A1 113 108 0.03      
6 A2 898 861 0.00      
7 A2 380 365 0.00      
8 B1 696 667 58.49      
9 B2 3223 3087 11.82      
10 B2 1289 1235 44.22      
11 B2 753 721 62.44      
12 B2 468 448 4.55      

Unscaled Zero Point Vibrational Energy (zpe) 7235.2 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 6931.3 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 B3LYPultrafine/6-31G*
ABC
0.28006 0.03397 0.03030

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.665 1.268
C2 0.000 -0.665 1.268
Br3 0.000 1.749 -0.280
Br4 0.000 -1.749 -0.280
H5 0.000 1.226 2.195
H6 0.000 -1.226 2.195

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 H5 H6
C11.32921.88962.86691.08382.1055
C21.32922.86691.88962.10551.0838
Br31.88962.86693.49712.52993.8694
Br42.86691.88963.49713.86942.5299
H51.08382.10552.52993.86942.4512
H62.10551.08383.86942.52992.4512

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 125.003 C1 C2 H6 121.171
C2 C1 Br3 125.003 C2 C1 H5 121.171
Br3 C1 H5 113.827 Br4 C2 H6 113.827
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.135      
2 C -0.135      
3 Br -0.061      
4 Br -0.061      
5 H 0.196      
6 H 0.196      


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 1.713 1.713
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.653 0.000 0.000
y 0.000 -47.837 0.000
z 0.000 0.000 -41.668
Traceless
 xyz
x -4.900 0.000 0.000
y 0.000 -2.177 0.000
z 0.000 0.000 7.077
Polar
3z2-r214.154
x2-y2-1.815
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.310 0.000 0.000
y 0.000 11.036 0.000
z 0.000 0.000 7.915


<r2> (average value of r2) Å2
<r2> 285.712
(<r2>)1/2 16.903