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

using model chemistry: HF/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 HF/6-311G**
 hartrees
Energy at 0K-2649.841142
Energy at 298.15K-2649.846829
Nuclear repulsion energy144.857756
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 HF/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' 3391 3081 7.45      
2 A' 3377 3068 3.63      
3 A' 3294 2993 1.13      
4 A' 1803 1638 42.47      
5 A' 1517 1378 12.26      
6 A' 1390 1262 37.42      
7 A' 1107 1006 9.71      
8 A' 648 589 30.09      
9 A' 374 340 0.08      
10 A" 1078 980 59.35      
11 A" 1073 975 18.06      
12 A" 653 593 18.30      

Unscaled Zero Point Vibrational Energy (zpe) 9852.3 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 8950.8 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 HF/6-311G**
ABC
1.86755 0.13840 0.12885

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.454 -1.115 0.000
C2 -0.438 -2.074 0.000
Br3 0.000 0.726 0.000
H4 1.513 -1.277 0.000
H5 -0.112 -3.100 0.000
H6 -1.495 -1.883 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6
C11.31031.89571.07152.06392.0950
C21.31032.83402.10811.07611.0742
Br31.89572.83402.51023.82693.0063
H41.07152.10812.51022.44183.0688
H52.06391.07613.82692.44181.8426
H62.09501.07423.00633.06881.8426

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 119.409 C1 C2 H6 122.645
C2 C1 Br3 123.212 C2 C1 H4 124.217
Br3 C1 H4 112.570 H5 C2 H6 117.947
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.220      
2 C -0.152      
3 Br -0.049      
4 H 0.159      
5 H 0.127      
6 H 0.135      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.232 -1.792 0.000 1.807
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.182 -0.407 0.000
y -0.407 -26.935 0.000
z 0.000 0.000 -33.423
Traceless
 xyz
x 0.997 -0.407 0.000
y -0.407 4.367 0.000
z 0.000 0.000 -5.364
Polar
3z2-r2-10.728
x2-y2-2.247
xy-0.407
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.778 0.709 0.000
y 0.709 8.334 0.000
z 0.000 0.000 2.866


<r2> (average value of r2) Å2
<r2> 92.054
(<r2>)1/2 9.594