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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-2649.175760
Energy at 298.15K-2649.181220
HF Energy-2649.175760
Nuclear repulsion energy143.546394
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 PBEPBEultrafine/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' 3198 3146 2.89      
2 A' 3163 3111 3.98      
3 A' 3105 3054 0.17      
4 A' 1633 1606 48.92      
5 A' 1378 1355 8.27      
6 A' 1248 1228 25.86      
7 A' 992 975 11.89      
8 A' 592 583 25.71      
9 A' 340 335 0.13      
10 A" 941 926 37.48      
11 A" 869 854 26.48      
12 A" 584 575 13.32      

Unscaled Zero Point Vibrational Energy (zpe) 9021.9 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 8873.0 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 PBEPBEultrafine/6-31G*
ABC
1.80043 0.13628 0.12669

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.463 -1.116 0.000
C2 -0.447 -2.094 0.000
Br3 0.000 0.731 0.000
H4 1.543 -1.276 0.000
H5 -0.117 -3.138 0.000
H6 -1.522 -1.898 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6
C11.33571.90361.09232.10382.1332
C21.33572.85992.15171.09491.0930
Br31.90362.85992.53123.87063.0373
H41.09232.15172.53122.49513.1277
H52.10381.09493.87062.49511.8742
H62.13321.09303.03733.12771.8742

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 119.560 C1 C2 H6 122.568
C2 C1 Br3 123.018 C2 C1 H4 124.496
Br3 C1 H4 112.485 H5 C2 H6 117.872
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.132      
2 C -0.326      
3 Br -0.086      
4 H 0.192      
5 H 0.172      
6 H 0.180      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.245 -1.361 0.000 1.383
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.579 -0.563 -0.011
y -0.563 -26.511 0.012
z -0.011 0.012 -32.400
Traceless
 xyz
x 0.876 -0.563 -0.011
y -0.563 3.978 0.012
z -0.011 0.012 -4.854
Polar
3z2-r2-9.709
x2-y2-2.068
xy-0.563
xz-0.011
yz0.012


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.999 0.543 -0.003
y 0.543 8.502 0.006
z -0.003 0.006 2.893


<r2> (average value of r2) Å2
<r2> 92.953
(<r2>)1/2 9.641