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

using model chemistry: PBEPBE/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-311G**
 hartrees
Energy at 0K-2651.634592
Energy at 298.15K-2651.640066
Nuclear repulsion energy143.506974
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 PBEPBE/6-311G**
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' 3174 3145 2.46      
2 A' 3143 3115 3.37      
3 A' 3079 3051 0.10      
4 A' 1611 1597 58.77      
5 A' 1354 1342 9.03      
6 A' 1236 1225 25.37      
7 A' 980 972 13.60      
8 A' 594 589 26.52      
9 A' 339 336 0.12      
10 A" 937 928 44.03      
11 A" 873 865 27.93      
12 A" 580 575 18.25      

Unscaled Zero Point Vibrational Energy (zpe) 8950.7 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 8869.3 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 PBEPBE/6-311G**
ABC
1.82148 0.13589 0.12645

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.458 -1.118 0.000
C2 -0.444 -2.097 0.000
Br3 0.000 0.732 0.000
H4 1.537 -1.271 0.000
H5 -0.105 -3.136 0.000
H6 -1.519 -1.910 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6
C11.33111.90601.08992.09472.1293
C21.33112.86352.14671.09281.0908
Br31.90602.86352.52463.86913.0469
H41.08992.14672.52462.48523.1220
H52.09471.09283.86912.48521.8713
H62.12931.09083.04693.12201.8713

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 119.259 C1 C2 H6 122.780
C2 C1 Br3 123.422 C2 C1 H4 124.627
Br3 C1 H4 111.951 H5 C2 H6 117.961
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.249      
2 C -0.182      
3 Br -0.007      
4 H 0.168      
5 H 0.133      
6 H 0.137      


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 -29.097 -0.510 0.000
y -0.510 -26.997 0.000
z 0.000 0.000 -33.036
Traceless
 xyz
x 0.919 -0.510 0.000
y -0.510 4.070 0.000
z 0.000 0.000 -4.989
Polar
3z2-r2-9.977
x2-y2-2.101
xy-0.510
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.993 0.553 0.000
y 0.553 8.962 0.000
z 0.000 0.000 2.960


<r2> (average value of r2) Å2
<r2> 93.407
(<r2>)1/2 9.665