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

using model chemistry: B2PLYP/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 B2PLYP/6-311G*
 hartrees
Energy at 0K-5224.681861
Energy at 298.15K-5224.689466
HF Energy-5224.508311
Nuclear repulsion energy425.586313
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/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 3244 1.91      
2 A1 1629 1629 32.58      
3 A1 1206 1206 1.69      
4 A1 586 586 8.30      
5 A1 109 109 0.02      
6 A2 888 888 0.00      
7 A2 377 377 0.00      
8 B1 687 687 76.01      
9 B2 3222 3222 13.43      
10 B2 1310 1310 44.63      
11 B2 768 768 70.29      
12 B2 476 476 2.51      

Unscaled Zero Point Vibrational Energy (zpe) 7251.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7251.3 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 B2PLYP/6-311G*
ABC
0.28798 0.03303 0.02963

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311G*

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 1.774 -0.276
Br4 0.000 -1.774 -0.276
H5 0.000 1.212 2.181
H6 0.000 -1.212 2.181

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 H5 H6
C11.32991.88502.87621.08172.0963
C21.32992.87621.88502.09631.0817
Br31.88502.87623.54832.52053.8673
Br42.87621.88503.54833.86732.5205
H51.08172.09632.52053.86732.4246
H62.09631.08173.86732.52052.4246

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 126.046 C1 C2 H6 120.397
C2 C1 Br3 126.046 C2 C1 H5 120.397
Br3 C1 H5 113.557 Br4 C2 H6 113.557
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.301      
2 C -0.301      
3 Br 0.035      
4 Br 0.035      
5 H 0.266      
6 H 0.266      


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 1.727 1.727
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.812 0.000 0.000
y 0.000 -48.673 0.000
z 0.000 0.000 -42.644
Traceless
 xyz
x -5.154 0.000 0.000
y 0.000 -1.945 0.000
z 0.000 0.000 7.098
Polar
3z2-r214.197
x2-y2-2.139
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.873 0.000 0.000
y 0.000 10.988 0.000
z 0.000 0.000 7.856


<r2> (average value of r2) Å2
<r2> 291.713
(<r2>)1/2 17.080