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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-2652.109035
Energy at 298.15K-2652.114579
Nuclear repulsion energy144.380296
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' 3249 3129 2.01      
2 A' 3219 3101 3.77      
3 A' 3151 3035 0.10      
4 A' 1667 1605 54.19      
5 A' 1397 1346 9.41      
6 A' 1279 1232 26.42      
7 A' 1015 978 13.01      
8 A' 614 592 26.26      
9 A' 349 336 0.08      
10 A" 976 940 43.65      
11 A" 926 892 31.58      
12 A" 600 578 18.67      

Unscaled Zero Point Vibrational Energy (zpe) 9221.3 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 8881.0 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
1.84688 0.13752 0.12799

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 -0.441 -2.084 0.000
Br3 0.000 0.727 0.000
H4 1.526 -1.268 0.000
H5 -0.104 -3.116 0.000
H6 -1.508 -1.897 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6
C11.32211.89511.08242.08062.1139
C21.32212.84622.12981.08541.0834
Br31.89512.84622.51223.84513.0265
H41.08242.12982.51222.46463.0986
H52.08061.08543.84512.46461.8596
H62.11391.08343.02653.09861.8596

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 119.263 C1 C2 H6 122.682
C2 C1 Br3 123.443 C2 C1 H4 124.387
Br3 C1 H4 112.170 H5 C2 H6 118.055
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 -0.255      
2 C -0.190      
3 Br -0.014      
4 H 0.174      
5 H 0.139      
6 H 0.145      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.227 -1.476 0.000 1.494
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.881 -0.486 0.000
y -0.486 -26.772 0.000
z 0.000 0.000 -32.917
Traceless
 xyz
x 0.963 -0.486 0.000
y -0.486 4.128 0.000
z 0.000 0.000 -5.090
Polar
3z2-r2-10.181
x2-y2-2.110
xy-0.486
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.869 0.582 0.000
y 0.582 8.654 0.000
z 0.000 0.000 2.924


<r2> (average value of r2) Å2
<r2> 92.390
(<r2>)1/2 9.612