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

using model chemistry: B2PLYP/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A1
Energy calculated at B2PLYP/Def2TZVPP
 hartrees
Energy at 0K-5224.891326
Energy at 298.15K-5224.898959
HF Energy-5224.607350
Nuclear repulsion energy428.156685
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 B2PLYP/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3243 3243 0.11      
2 A1 1625 1625 31.46      
3 A1 1187 1187 1.84      
4 A1 594 594 7.54      
5 A1 108 108 0.04      
6 A2 911 911 0.00      
7 A2 386 386 0.00      
8 B1 695 695 59.50      
9 B2 3221 3221 16.18      
10 B2 1295 1295 45.40      
11 B2 770 770 59.62      
12 B2 479 479 2.55      

Unscaled Zero Point Vibrational Energy (zpe) 7257.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7257.2 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 B2PLYP/Def2TZVPP
ABC
0.28883 0.03355 0.03006

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.663 1.246
C2 0.000 -0.663 1.246
Br3 0.000 1.760 -0.276
Br4 0.000 -1.760 -0.276
H5 0.000 1.209 2.176
H6 0.000 -1.209 2.176

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 H5 H6
C11.32621.87622.86151.07852.0906
C21.32622.86151.87622.09061.0785
Br31.87622.86153.52012.51313.8509
Br42.86151.87623.52013.85092.5131
H51.07852.09062.51313.85092.4186
H62.09061.07853.85092.51312.4186

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 125.780 C1 C2 H6 120.429
C2 C1 Br3 125.780 C2 C1 H5 120.429
Br3 C1 H5 113.792 Br4 C2 H6 113.792
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.112      
2 C -0.112      
3 Br -0.012      
4 Br -0.012      
5 H 0.124      
6 H 0.124      


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 1.670 1.670
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.540 0.000 0.000
y 0.000 -48.980 0.000
z 0.000 0.000 -42.969
Traceless
 xyz
x -4.565 0.000 0.000
y 0.000 -2.226 0.000
z 0.000 0.000 6.791
Polar
3z2-r213.581
x2-y2-1.559
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.969 0.000 0.000
y 0.000 12.356 0.000
z 0.000 0.000 9.014


<r2> (average value of r2) Å2
<r2> 288.141
(<r2>)1/2 16.975