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

using model chemistry: PBEPBE/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-31+G**
 hartrees
Energy at 0K-2649.200660
Energy at 298.15K-2649.206132
Nuclear repulsion energy143.636612
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 PBEPBE/6-31+G**
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' 3196 3160 1.80      
2 A' 3159 3123 3.51      
3 A' 3099 3063 0.02      
4 A' 1618 1600 64.66      
5 A' 1360 1344 9.64      
6 A' 1245 1231 22.61      
7 A' 986 975 15.59      
8 A' 594 587 28.29      
9 A' 336 332 0.03      
10 A" 937 926 44.58      
11 A" 879 869 32.04      
12 A" 592 585 21.30      

Unscaled Zero Point Vibrational Energy (zpe) 8999.4 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 8896.8 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 PBEPBE/6-31+G**
ABC
1.83010 0.13593 0.12653

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.456 -1.111 0.000
C2 -0.443 -2.101 0.000
Br3 0.000 0.731 0.000
H4 1.537 -1.265 0.000
H5 -0.093 -3.138 0.000
H6 -1.521 -1.920 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6
C11.33711.89741.09212.10022.1354
C21.33712.86642.14891.09431.0928
Br31.89742.86642.51933.87023.0560
H41.09212.14892.51932.48303.1267
H52.10021.09433.87022.48301.8763
H62.13541.09283.05603.12671.8763

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 119.156 C1 C2 H6 122.680
C2 C1 Br3 123.880 C2 C1 H4 124.100
Br3 C1 H4 112.020 H5 C2 H6 118.164
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.135      
2 C -0.257      
3 Br -0.128      
4 H 0.182      
5 H 0.166      
6 H 0.172      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.241 -1.390 0.000 1.411
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.364 -0.570 0.000
y -0.570 -27.347 0.000
z 0.000 0.000 -33.506
Traceless
 xyz
x 1.063 -0.570 0.000
y -0.570 4.088 0.000
z 0.000 0.000 -5.151
Polar
3z2-r2-10.301
x2-y2-2.017
xy-0.570
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.845 0.666 0.000
y 0.666 9.510 0.000
z 0.000 0.000 4.527


<r2> (average value of r2) Å2
<r2> 93.615
(<r2>)1/2 9.675