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

using model chemistry: B97D3/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at B97D3/TZVP
 hartrees
Energy at 0K-5228.307927
Energy at 298.15K-5228.315125
HF Energy-5228.307927
Nuclear repulsion energy384.462132
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/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3183 3138 0.00      
2 Ag 1580 1557 0.00      
3 Ag 1254 1236 0.00      
4 Ag 719 709 0.00      
5 Ag 210 207 0.00      
6 Au 898 885 59.90      
7 Au 162 160 0.00      
8 Bg 722 711 0.00      
9 Bu 3180 3134 10.82      
10 Bu 1159 1142 38.95      
11 Bu 640 630 94.87      
12 Bu 193 190 1.50      

Unscaled Zero Point Vibrational Energy (zpe) 6949.9 cm-1
Scaled (by 0.9856) Zero Point Vibrational Energy (zpe) 6849.8 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/TZVP
ABC
1.69895 0.01966 0.01943

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/TZVP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.382 0.542 0.000
C2 0.382 -0.542 0.000
Br3 0.382 2.292 0.000
Br4 -0.382 -2.292 0.000
H5 -1.466 0.541 0.000
H6 1.466 -0.541 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 H5 H6
C11.32731.90912.83411.08332.1420
C21.32732.83411.90912.14201.0833
Br31.90912.83414.64672.54583.0324
Br42.83411.90914.64673.03242.5458
H51.08332.14202.54583.03243.1244
H62.14201.08333.03242.54583.1244

picture of Ethene, 1,2-dibromo-, (E)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Br4 121.208 C1 C2 H6 125.086
C2 C1 Br3 121.208 C2 C1 H5 125.086
Br3 C1 H5 113.706 Br4 C2 H6 113.706
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.116      
2 C -0.116      
3 Br -0.063      
4 Br -0.063      
5 H 0.179      
6 H 0.179      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.784 -0.238 0.000
y -0.238 -49.559 0.000
z 0.000 0.000 -50.235
Traceless
 xyz
x 4.113 -0.238 0.000
y -0.238 -1.550 0.000
z 0.000 0.000 -2.563
Polar
3z2-r2-5.127
x2-y23.775
xy-0.238
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.769 1.351 0.000
y 1.351 15.526 0.000
z 0.000 0.000 4.960


<r2> (average value of r2) Å2
<r2> 418.329
(<r2>)1/2 20.453