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

using model chemistry: B3LYPultrafine/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYPultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-2652.252247
Energy at 298.15K-2652.257788
HF Energy-2652.252247
Nuclear repulsion energy144.063103
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 B3LYPultrafine/aug-cc-pVTZ
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' 3232 3127 1.76      
2 A' 3209 3105 2.51      
3 A' 3142 3040 0.11      
4 A' 1657 1603 55.59      
5 A' 1409 1363 10.90      
6 A' 1282 1241 27.62      
7 A' 1021 988 9.09      
8 A' 599 580 27.02      
9 A' 347 335 0.09      
10 A" 976 945 33.04      
11 A" 942 912 26.98      
12 A" 601 581 16.89      

Unscaled Zero Point Vibrational Energy (zpe) 9208.7 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 8909.4 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 B3LYPultrafine/aug-cc-pVTZ
ABC
1.85057 0.13678 0.12737

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.456 -1.120 0.000
C2 -0.440 -2.090 0.000
Br3 0.000 0.730 0.000
H4 1.523 -1.279 0.000
H5 -0.112 -3.121 0.000
H6 -1.505 -1.901 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6
C11.32021.90601.07902.07942.1103
C21.32022.85402.12451.08251.0805
Br31.90602.85402.52113.85273.0314
H41.07902.12452.52112.46293.0911
H52.07941.08253.85272.46291.8513
H62.11031.08053.03143.09111.8513

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 119.542 C1 C2 H6 122.741
C2 C1 Br3 123.391 C2 C1 H4 124.328
Br3 C1 H4 112.281 H5 C2 H6 117.718
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.323      
2 C -0.689      
3 Br -0.008      
4 H 0.371      
5 H 0.267      
6 H 0.383      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.219 -1.467 0.000 1.483
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.400 -0.468 0.000
y -0.468 -27.540 0.000
z 0.000 0.000 -33.208
Traceless
 xyz
x 0.974 -0.468 0.000
y -0.468 3.764 0.000
z 0.000 0.000 -4.738
Polar
3z2-r2-9.476
x2-y2-1.859
xy-0.468
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.546 0.605 0.000
y 0.605 9.942 0.000
z 0.000 0.000 5.456


<r2> (average value of r2) Å2
<r2> 93.040
(<r2>)1/2 9.646