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

using model chemistry: BLYP/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 BLYP/6-31+G**
 hartrees
Energy at 0K-2649.683434
Energy at 298.15K-2649.688881
Nuclear repulsion energy142.388430
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 BLYP/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' 3173 3156 4.41      
2 A' 3146 3130 3.06      
3 A' 3081 3065 0.24      
4 A' 1603 1594 61.12      
5 A' 1370 1362 11.99      
6 A' 1248 1241 27.94      
7 A' 989 984 13.63      
8 A' 564 561 31.02      
9 A' 331 330 0.10      
10 A" 936 931 46.83      
11 A" 882 877 24.12      
12 A" 585 582 20.56      

Unscaled Zero Point Vibrational Energy (zpe) 8954.2 cm-1
Scaled (by 0.9947) Zero Point Vibrational Energy (zpe) 8906.8 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 BLYP/6-31+G**
ABC
1.81891 0.13336 0.12425

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.458 -1.129 0.000
C2 -0.444 -2.118 0.000
Br3 0.000 0.739 0.000
H4 1.538 -1.279 0.000
H5 -0.100 -3.156 0.000
H6 -1.521 -1.938 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6
C11.33861.92311.09052.10222.1386
C21.33862.89062.15251.09371.0919
Br31.92312.89062.53753.89573.0790
H41.09052.15252.53752.49113.1298
H52.10221.09373.89572.49111.8714
H62.13861.09193.07903.12981.8714

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 119.264 C1 C2 H6 122.945
C2 C1 Br3 123.818 C2 C1 H4 124.472
Br3 C1 H4 111.710 H5 C2 H6 117.791
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.094      
2 C -0.224      
3 Br -0.130      
4 H 0.155      
5 H 0.144      
6 H 0.149      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.236 -1.444 0.000 1.464
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.666 -0.559 0.000
y -0.559 -27.604 0.000
z 0.000 0.000 -33.692
Traceless
 xyz
x 0.982 -0.559 0.000
y -0.559 4.074 0.000
z 0.000 0.000 -5.057
Polar
3z2-r2-10.114
x2-y2-2.061
xy-0.559
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.950 0.679 0.000
y 0.679 9.690 0.001
z 0.000 0.001 4.656


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