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

using model chemistry: HF/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/TZVP
 hartrees
Energy at 0K-2649.890243
Energy at 298.15K-2649.895930
HF Energy-2649.890243
Nuclear repulsion energy144.781747
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 HF/TZVP
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' 3396 3085 6.17      
2 A' 3381 3072 2.85      
3 A' 3299 2998 0.81      
4 A' 1802 1637 46.10      
5 A' 1523 1384 13.10      
6 A' 1392 1265 39.11      
7 A' 1112 1010 10.06      
8 A' 644 585 30.35      
9 A' 373 339 0.11      
10 A" 1083 984 53.05      
11 A" 1077 979 23.03      
12 A" 654 594 19.74      

Unscaled Zero Point Vibrational Energy (zpe) 9868.2 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 8966.2 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 HF/TZVP
ABC
1.87117 0.13821 0.12871

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.454 -1.118 0.000
C2 -0.438 -2.074 0.000
Br3 0.000 0.726 0.000
H4 1.512 -1.281 0.000
H5 -0.114 -3.099 0.000
H6 -1.494 -1.883 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6
C11.30731.89921.07052.06102.0920
C21.30732.83462.10471.07511.0731
Br31.89922.83462.51263.82743.0062
H41.07052.10472.51262.43913.0649
H52.06101.07513.82742.43911.8397
H62.09201.07313.00623.06491.8397

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 119.474 C1 C2 H6 122.698
C2 C1 Br3 123.195 C2 C1 H4 124.240
Br3 C1 H4 112.565 H5 C2 H6 117.828
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.050      
2 C -0.223      
3 Br -0.137      
4 H 0.160      
5 H 0.115      
6 H 0.134      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.235 -1.807 0.000 1.823
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.228 -0.450 0.000
y -0.450 -27.076 0.000
z 0.000 0.000 -33.488
Traceless
 xyz
x 1.054 -0.450 0.000
y -0.450 4.282 0.000
z 0.000 0.000 -5.336
Polar
3z2-r2-10.671
x2-y2-2.152
xy-0.450
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.076 0.729 0.000
y 0.729 8.615 0.000
z 0.000 0.000 3.533


<r2> (average value of r2) Å2
<r2> 92.175
(<r2>)1/2 9.601