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

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-2650.944325
Energy at 298.15K-2650.949787
HF Energy-2650.944325
Nuclear repulsion energy 
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 B97D3/6-31G*
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' 3207 3144 6.06      
2 A' 3176 3114 5.24      
3 A' 3115 3054 1.35      
4 A' 1638 1606 47.42      
5 A' 1394 1367 9.72      
6 A' 1263 1238 29.36      
7 A' 1003 984 10.85      
8 A' 579 568 28.17      
9 A' 344 337 0.23      
10 A" 946 927 38.22      
11 A" 873 856 24.26      
12 A" 583 572 12.71      

Unscaled Zero Point Vibrational Energy (zpe) 9060.2 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 8882.6 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 B97D3/6-31G*
ABC
1.80116 0.13583 0.12630

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.464 -1.122 0.000
C2 -0.447 -2.096 0.000
Br3 0.000 0.732 0.000
H4 1.540 -1.280 0.000
H5 -0.121 -3.137 0.000
H6 -1.518 -1.898 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6
C11.33361.91081.08812.09882.1282
C21.33362.86322.14841.09141.0892
Br31.91082.86322.53353.87143.0365
H41.08812.14842.53352.49233.1201
H52.09881.09143.87142.49231.8678
H62.12821.08923.03653.12011.8678

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 119.682 C1 C2 H6 122.750
C2 C1 Br3 123.125 C2 C1 H4 124.545
Br3 C1 H4 112.330 H5 C2 H6 117.568
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.115      
2 C -0.317      
3 Br -0.097      
4 H 0.187      
5 H 0.167      
6 H 0.176      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.249 -1.417 0.000 1.438
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.412 -0.552 0.000
y -0.552 -26.355 0.000
z 0.000 0.000 -32.181
Traceless
 xyz
x 0.856 -0.552 0.000
y -0.552 3.942 0.000
z 0.000 0.000 -4.797
Polar
3z2-r2-9.595
x2-y2-2.057
xy-0.552
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.981 0.553 0.000
y 0.553 8.490 0.000
z 0.000 0.000 2.877


<r2> (average value of r2) Å2
<r2> 93.029
(<r2>)1/2 9.645