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

using model chemistry: LSDA/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 LSDA/cc-pVDZ
 hartrees
Energy at 0K-2648.852180
Energy at 298.15K-2648.857658
Nuclear repulsion energy144.969812
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 LSDA/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' 3198 3163 0.09      
2 A' 3145 3111 2.25      
3 A' 3088 3054 1.11      
4 A' 1647 1629 59.17      
5 A' 1307 1293 7.76      
6 A' 1203 1189 18.23      
7 A' 959 949 14.97      
8 A' 625 618 23.29      
9 A' 340 336 0.06      
10 A" 925 915 33.22      
11 A" 860 850 28.11      
12 A" 583 577 16.04      

Unscaled Zero Point Vibrational Energy (zpe) 8939.1 cm-1
Scaled (by 0.989) Zero Point Vibrational Energy (zpe) 8840.8 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 LSDA/cc-pVDZ
ABC
1.81517 0.13932 0.12939

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.457 -1.097 0.000
C2 -0.444 -2.074 0.000
Br3 0.000 0.722 0.000
H4 1.546 -1.258 0.000
H5 -0.101 -3.121 0.000
H6 -1.526 -1.871 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6
C11.32941.87541.10112.10032.1288
C21.32942.83132.15091.10171.1007
Br31.87542.83132.51273.84473.0089
H41.10112.15092.51272.48713.1326
H52.10031.10173.84472.48711.8950
H62.12881.10073.00893.13261.8950

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 119.225 C1 C2 H6 122.051
C2 C1 Br3 123.219 C2 C1 H4 124.225
Br3 C1 H4 112.556 H5 C2 H6 118.724
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.189      
2 C -0.037      
3 Br -0.023      
4 H 0.094      
5 H 0.080      
6 H 0.076      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.248 -1.212 0.000 1.237
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.764 -0.572 0.000
y -0.572 -26.847 0.000
z 0.000 0.000 -32.537
Traceless
 xyz
x 0.927 -0.572 0.000
y -0.572 3.804 0.000
z 0.000 0.000 -4.731
Polar
3z2-r2-9.462
x2-y2-1.918
xy-0.572
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.917 0.504 0.000
y 0.504 8.549 0.000
z 0.000 0.000 2.694


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