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

using model chemistry: B3PW91/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-2652.101758
Energy at 298.15K-2652.107289
Nuclear repulsion energy144.143774
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/cc-pVDZ
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' 3269 3155 0.72      
2 A' 3227 3114 3.49      
3 A' 3162 3051 0.01      
4 A' 1675 1616 51.12      
5 A' 1378 1330 7.90      
6 A' 1261 1217 24.53      
7 A' 1004 969 12.05      
8 A' 618 596 25.35      
9 A' 347 335 0.10      
10 A" 966 933 37.61      
11 A" 914 882 22.02      
12 A" 596 575 14.46      

Unscaled Zero Point Vibrational Energy (zpe) 9207.7 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 8885.4 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 B3PW91/cc-pVDZ
ABC
1.82490 0.13729 0.12769

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.457 -1.110 0.000
C2 -0.443 -2.087 0.000
Br3 0.000 0.728 0.000
H4 1.537 -1.270 0.000
H5 -0.103 -3.126 0.000
H6 -1.518 -1.895 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6
C11.32891.89411.09152.09272.1254
C21.32892.84982.14241.09341.0916
Br31.89412.84982.52093.85563.0303
H41.09152.14242.52092.47723.1182
H52.09271.09343.85562.47721.8755
H62.12541.09163.03033.11821.8755

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 119.205 C1 C2 H6 122.527
C2 C1 Br3 123.351 C2 C1 H4 124.245
Br3 C1 H4 112.404 H5 C2 H6 118.268
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.173      
2 C 0.011      
3 Br -0.043      
4 H 0.079      
5 H 0.064      
6 H 0.062      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.233 -1.384 0.000 1.403
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.719 -0.494 0.000
y -0.494 -26.652 0.000
z 0.000 0.000 -32.533
Traceless
 xyz
x 0.874 -0.494 0.000
y -0.494 3.973 0.000
z 0.000 0.000 -4.847
Polar
3z2-r2-9.695
x2-y2-2.066
xy-0.494
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.822 0.543 0.000
y 0.543 8.432 0.000
z 0.000 0.000 2.695


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000