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All results from a given calculation for C2H3Br (vinyl bromide)

using model chemistry: PBEPBE/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-311G*
 hartrees
Energy at 0K-2651.629145
Energy at 298.15K-2651.634611
Nuclear repulsion energy143.475548
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 PBEPBE/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 A' 3171 3138 4.88      
2 A' 3141 3108 4.10      
3 A' 3077 3045 0.81      
4 A' 1617 1600 57.79      
5 A' 1365 1350 9.45      
6 A' 1249 1236 25.08      
7 A' 992 981 13.77      
8 A' 595 589 26.28      
9 A' 340 337 0.11      
10 A" 934 924 45.83      
11 A" 859 850 30.85      
12 A" 577 571 19.35      

Unscaled Zero Point Vibrational Energy (zpe) 8958.2 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 8865.1 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 PBEPBE/6-311G*
ABC
1.82180 0.13582 0.12639

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.458 -1.118 0.000
C2 -0.444 -2.098 0.000
Br3 0.000 0.732 0.000
H4 1.538 -1.273 0.000
H5 -0.106 -3.138 0.000
H6 -1.519 -1.912 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6
C11.33121.90601.09082.09692.1310
C21.33122.86402.14591.09371.0917
Br31.90602.86402.52703.87113.0497
H41.09082.14592.52702.48553.1232
H52.09691.09373.87112.48551.8707
H62.13101.09173.04973.12321.8707

picture of vinyl bromide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 119.384 C1 C2 H6 122.865
C2 C1 Br3 123.461 C2 C1 H4 124.453
Br3 C1 H4 112.086 H5 C2 H6 117.751
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.319      
2 C -0.389      
3 Br 0.003      
4 H 0.252      
5 H 0.223      
6 H 0.230      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.236 -1.390 0.000 1.410
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.045 -0.533 0.000
y -0.533 -26.923 0.000
z 0.000 0.000 -33.166
Traceless
 xyz
x 1.000 -0.533 0.000
y -0.533 4.183 0.000
z 0.000 0.000 -5.183
Polar
3z2-r2-10.365
x2-y2-2.122
xy-0.533
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.948 0.549 0.000
y 0.549 8.917 0.000
z 0.000 0.000 2.897


<r2> (average value of r2) Å2
<r2> 93.455
(<r2>)1/2 9.667