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

using model chemistry: HF/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-2649.854639
Energy at 298.15K-2649.860329
Nuclear repulsion energy145.222340
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/6-311+G(3df,2p)
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' 3386 3076 4.88      
2 A' 3370 3062 3.13      
3 A' 3291 2991 0.74      
4 A' 1795 1631 46.25      
5 A' 1520 1381 12.58      
6 A' 1389 1262 33.45      
7 A' 1108 1007 7.71      
8 A' 652 592 27.91      
9 A' 373 339 0.05      
10 A" 1079 980 35.02      
11 A" 1078 980 34.04      
12 A" 654 594 18.26      

Unscaled Zero Point Vibrational Energy (zpe) 9846.9 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 8946.9 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/6-311+G(3df,2p)
ABC
1.87684 0.13909 0.12950

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.453 -1.111 0.000
C2 -0.437 -2.069 0.000
Br3 0.000 0.724 0.000
H4 1.510 -1.276 0.000
H5 -0.112 -3.093 0.000
H6 -1.492 -1.878 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6
C11.30771.89011.06962.06052.0908
C21.30772.82712.10231.07401.0721
Br31.89012.82712.50563.81832.9997
H41.06962.10232.50562.43533.0617
H52.06051.07403.81832.43531.8385
H62.09081.07212.99973.06171.8385

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 119.479 C1 C2 H6 122.635
C2 C1 Br3 123.247 C2 C1 H4 124.034
Br3 C1 H4 112.720 H5 C2 H6 117.887
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.150      
2 C -0.143      
3 Br -0.133      
4 H 0.139      
5 H 0.144      
6 H 0.143      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.223 -1.747 0.000 1.761
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.244 -0.344 0.000
y -0.344 -27.237 0.000
z 0.000 0.000 -33.546
Traceless
 xyz
x 1.147 -0.344 0.000
y -0.344 4.158 0.000
z 0.000 0.000 -5.305
Polar
3z2-r2-10.610
x2-y2-2.007
xy-0.344
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.071 0.689 0.000
y 0.689 9.251 0.000
z 0.000 0.000 5.084


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