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

using model chemistry: B3LYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/6-31G
 hartrees
Energy at 0K-2649.542511
Energy at 298.15K-2649.548034
Nuclear repulsion energy141.968586
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 B3LYP/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 A' 3277 3153 7.35      
2 A' 3263 3139 0.93      
3 A' 3176 3055 0.45      
4 A' 1687 1623 45.84      
5 A' 1450 1395 9.22      
6 A' 1298 1249 37.53      
7 A' 1043 1003 10.66      
8 A' 560 538 28.33      
9 A' 340 327 0.55      
10 A" 995 957 82.71      
11 A" 984 947 8.86      
12 A" 616 593 17.51      

Unscaled Zero Point Vibrational Energy (zpe) 9344.8 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 8989.7 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 B3LYP/6-31G
ABC
1.77500 0.13332 0.12401

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.471 -1.151 0.000
C2 -0.451 -2.106 0.000
Br3 0.000 0.740 0.000
H4 1.542 -1.306 0.000
H5 -0.151 -3.151 0.000
H6 -1.514 -1.893 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6
C11.32751.94881.08162.09402.1188
C21.32752.88182.14721.08641.0842
Br31.94882.88182.56133.89353.0367
H41.08162.14722.56132.50373.1111
H52.09401.08643.89352.50371.8547
H62.11881.08423.03673.11111.8547

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 120.001 C1 C2 H6 122.607
C2 C1 Br3 122.033 C2 C1 H4 125.769
Br3 C1 H4 112.198 H5 C2 H6 117.391
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.357      
2 C -0.212      
3 Br 0.066      
4 H 0.190      
5 H 0.154      
6 H 0.160      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.249 -1.716 0.000 1.734
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.750 -0.385 0.000
y -0.385 -26.766 0.000
z 0.000 0.000 -32.695
Traceless
 xyz
x 0.980 -0.385 0.000
y -0.385 3.957 0.000
z 0.000 0.000 -4.937
Polar
3z2-r2-9.875
x2-y2-1.985
xy-0.385
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.082 0.424 0.000
y 0.424 8.038 0.000
z 0.000 0.000 1.609


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000