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

using model chemistry: B2PLYP/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 B2PLYP/6-31G*
 hartrees
Energy at 0K-2649.110270
Energy at 298.15K-2649.115804
HF Energy-2648.987848
Nuclear repulsion energy143.918213
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 B2PLYP/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3299 3132 2.96      
2 A' 3270 3104 4.44      
3 A' 3205 3042 0.30      
4 A' 1685 1599 37.95      
5 A' 1439 1366 9.90      
6 A' 1304 1238 29.82      
7 A' 1039 986 9.60      
8 A' 607 577 24.74      
9 A' 351 334 0.12      
10 A" 988 938 39.83      
11 A" 928 881 23.17      
12 A" 603 573 12.20      

Unscaled Zero Point Vibrational Energy (zpe) 9359.2 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 8883.7 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 B2PLYP/6-31G*
ABC
1.81165 0.13700 0.12737

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.463 -1.119 0.000
C2 -0.446 -2.091 0.000
Br3 0.000 0.731 0.000
H4 1.533 -1.282 0.000
H5 -0.125 -3.128 0.000
H6 -1.511 -1.895 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6
C11.33011.90701.08262.09272.1211
C21.33012.85662.13781.08541.0838
Br31.90702.85662.52973.86053.0297
H41.08262.13782.52972.48143.1058
H52.09271.08543.86052.48141.8555
H62.12111.08383.02973.10581.8555

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 119.736 C1 C2 H6 122.655
C2 C1 Br3 122.891 C2 C1 H4 124.450
Br3 C1 H4 112.659 H5 C2 H6 117.609
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.119      
2 C -0.320      
3 Br -0.110      
4 H 0.196      
5 H 0.172      
6 H 0.181      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.253 -1.536 0.000 1.556
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.794 -0.531 0.000
y -0.531 -26.681 0.000
z 0.000 0.000 -32.581
Traceless
 xyz
x 0.837 -0.531 0.000
y -0.531 4.006 0.000
z 0.000 0.000 -4.843
Polar
3z2-r2-9.686
x2-y2-2.113
xy-0.531
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.871 0.534 0.000
y 0.534 8.125 0.000
z 0.000 0.000 2.817


<r2> (average value of r2) Å2
<r2> 92.630
(<r2>)1/2 9.624