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

using model chemistry: LSDA/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 LSDA/6-31G*
 hartrees
Energy at 0K-2646.440279
Energy at 298.15K-2646.445763
Nuclear repulsion energy145.310236
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 LSDA/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' 3203 3143 0.52      
2 A' 3162 3103 2.79      
3 A' 3108 3050 0.51      
4 A' 1662 1631 53.22      
5 A' 1359 1334 7.45      
6 A' 1233 1210 20.81      
7 A' 984 965 13.89      
8 A' 620 608 23.71      
9 A' 345 338 0.05      
10 A" 939 922 34.26      
11 A" 872 855 35.39      
12 A" 592 581 15.25      

Unscaled Zero Point Vibrational Energy (zpe) 9039.4 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 8870.3 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 LSDA/6-31G*
ABC
1.81292 0.14016 0.13010

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.460 -1.096 0.000
C2 -0.444 -2.066 0.000
Br3 0.000 0.720 0.000
H4 1.542 -1.261 0.000
H5 -0.120 -3.112 0.000
H6 -1.519 -1.859 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6
C11.32631.87381.09382.09772.1214
C21.32632.82142.14301.09531.0944
Br31.87382.82142.51033.83422.9936
H41.09382.14302.51032.48743.1186
H52.09771.09533.83422.48741.8782
H62.12141.09442.99363.11861.8782

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 119.751 C1 C2 H6 122.123
C2 C1 Br3 122.769 C2 C1 H4 124.347
Br3 C1 H4 112.884 H5 C2 H6 118.127
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.134      
2 C -0.360      
3 Br -0.089      
4 H 0.206      
5 H 0.185      
6 H 0.192      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.257 -1.325 0.000 1.349
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.469 -0.603 0.000
y -0.603 -26.515 0.000
z 0.000 0.000 -32.382
Traceless
 xyz
x 0.980 -0.603 0.000
y -0.603 3.911 0.000
z 0.000 0.000 -4.891
Polar
3z2-r2-9.781
x2-y2-1.954
xy-0.603
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.983 0.528 0.000
y 0.528 8.356 0.000
z 0.000 0.000 2.865


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