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

using model chemistry: B97D3/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A1
Energy calculated at B97D3/STO-3G
 hartrees
Energy at 0K-5171.056379
Energy at 298.15K-5171.063851
HF Energy-5171.056379
Nuclear repulsion energy422.219773
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/STO-3G
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 3365 3365 0.59      
2 A1 1705 1705 21.76      
3 A1 1250 1250 0.05      
4 A1 649 649 8.95      
5 A1 109 109 0.08      
6 A2 914 914 0.00      
7 A2 379 379 0.00      
8 B1 695 695 22.46      
9 B2 3341 3341 32.95      
10 B2 1393 1393 53.70      
11 B2 839 839 35.51      
12 B2 513 513 3.55      

Unscaled Zero Point Vibrational Energy (zpe) 7575.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7575.3 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 B97D3/STO-3G
ABC
0.28446 0.03247 0.02914

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.678 1.252
C2 0.000 -0.678 1.252
Br3 0.000 1.789 -0.278
Br4 0.000 -1.789 -0.278
H5 0.000 1.217 2.218
H6 0.000 -1.217 2.218

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 H5 H6
C11.35521.89112.90261.10632.1263
C21.35522.90261.89112.12631.1063
Br31.89112.90263.57802.56103.9069
Br42.90261.89113.57803.90692.5610
H51.10632.12632.56103.90692.4330
H62.12631.10633.90692.56102.4330

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 125.994 C1 C2 H6 119.153
C2 C1 Br3 125.994 C2 C1 H5 119.153
Br3 C1 H5 114.853 Br4 C2 H6 114.853
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.144      
2 C -0.144      
3 Br 0.046      
4 Br 0.046      
5 H 0.097      
6 H 0.097      


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 1.341 1.341
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.685 0.000 0.000
y 0.000 -44.563 0.000
z 0.000 0.000 -40.688
Traceless
 xyz
x -2.059 0.000 0.000
y 0.000 -1.877 0.000
z 0.000 0.000 3.936
Polar
3z2-r27.871
x2-y2-0.122
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.643 0.000 0.000
y 0.000 6.166 0.000
z 0.000 0.000 4.177


<r2> (average value of r2) Å2
<r2> 293.617
(<r2>)1/2 17.135