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

using model chemistry: wB97X-D/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-5225.908916
Energy at 298.15K-5225.916590
HF Energy-5225.908916
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/aug-cc-pVTZ
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 3249 3108 0.04      
2 A1 1671 1598 31.88      
3 A1 1203 1151 1.72      
4 A1 604 578 7.17      
5 A1 110 105 0.05      
6 A2 932 891 0.00      
7 A2 393 376 0.00      
8 B1 696 666 57.62      
9 B2 3226 3086 16.91      
10 B2 1309 1252 46.46      
11 B2 777 744 60.16      
12 B2 485 464 2.27      

Unscaled Zero Point Vibrational Energy (zpe) 7327.3 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 7009.3 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 wB97X-D/aug-cc-pVTZ
ABC
0.29077 0.03360 0.03012

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.660 1.241
C2 0.000 -0.660 1.241
Br3 0.000 1.759 -0.275
Br4 0.000 -1.759 -0.275
H5 0.000 1.203 2.174
H6 0.000 -1.203 2.174

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 H5 H6
C11.31971.87282.85481.07942.0836
C21.31972.85481.87282.08361.0794
Br31.87282.85483.51802.51103.8435
Br42.85481.87283.51803.84352.5110
H51.07942.08362.51103.84352.4070
H62.08361.07943.84352.51102.4070

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 125.939 C1 C2 H6 120.242
C2 C1 Br3 125.939 C2 C1 H5 120.242
Br3 C1 H5 113.819 Br4 C2 H6 113.819
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.412      
2 C -0.412      
3 Br 0.079      
4 Br 0.079      
5 H 0.334      
6 H 0.334      


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 1.685 1.685
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.321 0.000 0.000
y 0.000 -48.646 0.000
z 0.000 0.000 -42.557
Traceless
 xyz
x -4.719 0.000 0.000
y 0.000 -2.207 0.000
z 0.000 0.000 6.926
Polar
3z2-r213.852
x2-y2-1.675
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.404 0.000 0.000
y 0.000 13.391 0.000
z 0.000 0.000 9.766


<r2> (average value of r2) Å2
<r2> 287.407
(<r2>)1/2 16.953