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

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-2649.899668
Energy at 298.15K-2649.905355
HF Energy-2649.899668
Nuclear repulsion energy145.203848
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 HF/Def2TZVPP
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' 3390 3073 5.55      
2 A' 3374 3058 3.16      
3 A' 3295 2987 1.00      
4 A' 1800 1631 44.71      
5 A' 1521 1379 12.48      
6 A' 1391 1260 33.90      
7 A' 1110 1006 7.87      
8 A' 651 590 27.82      
9 A' 373 338 0.05      
10 A" 1081 980 13.28      
11 A" 1080 979 56.41      
12 A" 655 594 17.74      

Unscaled Zero Point Vibrational Energy (zpe) 9860.3 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 8937.4 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 HF/Def2TZVPP
ABC
1.87865 0.13903 0.12945

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.453 -1.111 0.000
C2 -0.437 -2.067 0.000
Br3 0.000 0.723 0.000
H4 1.510 -1.276 0.000
H5 -0.115 -3.091 0.000
H6 -1.492 -1.873 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6
C11.30681.88951.06922.06012.0891
C21.30682.82442.10171.07381.0718
Br31.88952.82442.50563.81622.9945
H41.06922.10172.50562.43573.0602
H52.06011.07383.81622.43571.8383
H62.08911.07182.99453.06021.8383

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 119.525 C1 C2 H6 122.561
C2 C1 Br3 123.134 C2 C1 H4 124.086
Br3 C1 H4 112.780 H5 C2 H6 117.914
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.036      
2 C -0.154      
3 Br -0.079      
4 H 0.101      
5 H 0.082      
6 H 0.087      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.238 -1.742 0.000 1.758
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.202 -0.397 0.000
y -0.397 -27.207 0.000
z 0.000 0.000 -33.367
Traceless
 xyz
x 1.085 -0.397 0.000
y -0.397 4.078 0.000
z 0.000 0.000 -5.162
Polar
3z2-r2-10.324
x2-y2-1.995
xy-0.397
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.629 0.721 0.000
y 0.721 8.933 0.000
z 0.000 0.000 4.304


<r2> (average value of r2) Å2
<r2> 91.769
(<r2>)1/2 9.580