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

using model chemistry: PBEPBE/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 PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-2651.623643
Energy at 298.15K-2651.629107
Nuclear repulsion energy143.319711
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/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' 3192 3173 1.02      
2 A' 3147 3128 3.21      
3 A' 3085 3068 0.01      
4 A' 1619 1609 55.32      
5 A' 1332 1324 7.30      
6 A' 1219 1212 23.24      
7 A' 970 964 12.41      
8 A' 599 596 25.36      
9 A' 337 335 0.13      
10 A" 929 924 35.11      
11 A" 862 857 19.60      
12 A" 577 574 13.72      

Unscaled Zero Point Vibrational Energy (zpe) 8933.2 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 8881.4 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 PBEPBE/cc-pVDZ
ABC
1.80283 0.13572 0.12622

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.460 -1.115 0.000
C2 -0.446 -2.100 0.000
Br3 0.000 0.732 0.000
H4 1.548 -1.273 0.000
H5 -0.101 -3.145 0.000
H6 -1.528 -1.908 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6
C11.33811.90361.09922.10592.1400
C21.33812.86702.15861.10091.0990
Br31.90362.86702.53273.87863.0500
H41.09922.15862.53272.49453.1406
H52.10591.10093.87862.49451.8894
H62.14001.09903.05003.14061.8894

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 119.092 C1 C2 H6 122.525
C2 C1 Br3 123.411 C2 C1 H4 124.371
Br3 C1 H4 112.218 H5 C2 H6 118.383
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.157      
2 C 0.036      
3 Br -0.034      
4 H 0.062      
5 H 0.048      
6 H 0.045      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.236 -1.248 0.000 1.270
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.900 -0.530 0.000
y -0.530 -26.870 0.000
z 0.000 0.000 -32.552
Traceless
 xyz
x 0.811 -0.530 0.000
y -0.530 3.856 0.000
z 0.000 0.000 -4.667
Polar
3z2-r2-9.334
x2-y2-2.030
xy-0.530
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.932 0.512 0.000
y 0.512 8.698 0.000
z 0.000 0.000 2.722


<r2> (average value of r2) Å2
<r2> 93.421
(<r2>)1/2 9.665