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

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-2652.103612
Energy at 298.15K-2652.109147
Nuclear repulsion energy144.348975
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 B3PW91/6-311G*
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' 3248 3126 4.38      
2 A' 3220 3099 4.34      
3 A' 3151 3034 0.88      
4 A' 1673 1610 53.10      
5 A' 1408 1355 9.82      
6 A' 1291 1243 26.13      
7 A' 1026 988 13.16      
8 A' 616 593 26.01      
9 A' 350 337 0.07      
10 A" 974 937 46.20      
11 A" 915 881 33.59      
12 A" 598 575 19.84      

Unscaled Zero Point Vibrational Energy (zpe) 9233.3 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 8888.9 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 B3PW91/6-311G*
ABC
1.84735 0.13744 0.12792

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.455 -1.112 0.000
C2 -0.440 -2.085 0.000
Br3 0.000 0.728 0.000
H4 1.526 -1.270 0.000
H5 -0.105 -3.118 0.000
H6 -1.509 -1.900 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6
C11.32231.89501.08302.08302.1158
C21.32232.84682.12881.08611.0841
Br31.89502.84682.51443.84713.0297
H41.08302.12882.51442.46513.0996
H52.08301.08613.84712.46511.8583
H62.11581.08413.02973.09961.8583

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 119.413 C1 C2 H6 122.791
C2 C1 Br3 123.483 C2 C1 H4 124.207
Br3 C1 H4 112.310 H5 C2 H6 117.796
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.329      
2 C -0.407      
3 Br -0.004      
4 H 0.264      
5 H 0.234      
6 H 0.243      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.230 -1.482 0.000 1.500
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.831 -0.504 0.000
y -0.504 -26.699 0.000
z 0.000 0.000 -33.047
Traceless
 xyz
x 1.042 -0.504 0.000
y -0.504 4.240 0.000
z 0.000 0.000 -5.282
Polar
3z2-r2-10.563
x2-y2-2.132
xy-0.504
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.826 0.577 0.000
y 0.577 8.611 0.000
z 0.000 0.000 2.859


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