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

using model chemistry: B97D3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/6-31+G**
 hartrees
Energy at 0K-2650.968921
Energy at 298.15K-2650.974392
HF Energy-2650.968921
Nuclear repulsion energy143.426530
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 B97D3/6-31+G**
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' 3207 3152 4.32      
2 A' 3174 3120 4.31      
3 A' 3110 3056 0.57      
4 A' 1622 1594 62.80      
5 A' 1378 1354 11.45      
6 A' 1260 1239 26.18      
7 A' 998 981 14.39      
8 A' 577 567 31.34      
9 A' 339 333 0.07      
10 A" 942 925 46.33      
11 A" 884 869 28.56      
12 A" 590 580 20.76      

Unscaled Zero Point Vibrational Energy (zpe) 9039.7 cm-1
Scaled (by 0.9828) Zero Point Vibrational Energy (zpe) 8884.2 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 B97D3/6-31+G**
ABC
1.82894 0.13551 0.12616

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.457 -1.117 0.000
C2 -0.444 -2.102 0.000
Br3 0.000 0.733 0.000
H4 1.534 -1.269 0.000
H5 -0.099 -3.137 0.000
H6 -1.516 -1.918 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6
C11.33501.90501.08752.09512.1299
C21.33502.86942.14581.09031.0886
Br31.90502.86942.52183.87063.0536
H41.08752.14582.52182.48083.1186
H52.09511.09033.87062.48081.8694
H62.12991.08863.05363.11861.8694

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 119.467 C1 C2 H6 122.816
C2 C1 Br3 123.649 C2 C1 H4 124.414
Br3 C1 H4 111.937 H5 C2 H6 117.717
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.123      
2 C -0.233      
3 Br -0.140      
4 H 0.173      
5 H 0.158      
6 H 0.165      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.243 -1.453 0.000 1.473
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.167 -0.559 0.000
y -0.559 -27.146 0.000
z 0.000 0.000 -33.255
Traceless
 xyz
x 1.034 -0.559 0.000
y -0.559 4.065 0.000
z 0.000 0.000 -5.099
Polar
3z2-r2-10.197
x2-y2-2.021
xy-0.559
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.806 0.674 0.000
y 0.674 9.463 0.000
z 0.000 0.000 4.512


<r2> (average value of r2) Å2
<r2> 93.657
(<r2>)1/2 9.678