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

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A1
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-5223.352850
Energy at 298.15K-5223.360369
HF Energy-5223.352850
Nuclear repulsion energy427.467412
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 B97D3/6-31G*
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 3185 3123 3.22      
2 A1 1600 1569 36.74      
3 A1 1156 1133 1.71      
4 A1 567 556 10.52      
5 A1 112 110 0.02      
6 A2 842 825 0.00      
7 A2 369 362 0.00      
8 B1 667 653 60.67      
9 B2 3164 3102 8.67      
10 B2 1260 1235 42.33      
11 B2 739 724 65.49      
12 B2 461 452 4.85      

Unscaled Zero Point Vibrational Energy (zpe) 7060.7 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 6922.3 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 B97D3/6-31G*
ABC
0.27896 0.03388 0.03021

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.669 1.270
C2 0.000 -0.669 1.270
Br3 0.000 1.751 -0.281
Br4 0.000 -1.751 -0.281
H5 0.000 1.232 2.201
H6 0.000 -1.232 2.201

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 H5 H6
C11.33721.89092.87361.08822.1165
C21.33722.87361.89092.11651.0882
Br31.89092.87363.50152.53523.8802
Br42.87361.89093.50153.88022.5352
H51.08822.11652.53523.88022.4643
H62.11651.08823.88022.53522.4643

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 124.909 C1 C2 H6 121.190
C2 C1 Br3 124.909 C2 C1 H5 121.190
Br3 C1 H5 113.901 Br4 C2 H6 113.901
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.146      
2 C -0.146      
3 Br -0.053      
4 Br -0.053      
5 H 0.199      
6 H 0.199      


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 1.646 1.646
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.259 0.000 0.000
y 0.000 -47.316 0.000
z 0.000 0.000 -41.317
Traceless
 xyz
x -4.943 0.000 0.000
y 0.000 -2.028 0.000
z 0.000 0.000 6.971
Polar
3z2-r213.941
x2-y2-1.943
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.344 0.000 0.000
y 0.000 11.264 0.000
z 0.000 0.000 8.059


<r2> (average value of r2) Å2
<r2> 286.222
(<r2>)1/2 16.918