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

using model chemistry: MP2=FULL/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/6-31G**
 hartrees
Energy at 0K-2647.766354
Energy at 298.15K-2647.771914
HF Energy-2647.344623
Nuclear repulsion energy144.473247
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 MP2=FULL/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3365 3144 1.65      
2 A' 3316 3099 5.13      
3 A' 3255 3042 0.04      
4 A' 1690 1579 32.79      
5 A' 1449 1354 10.43      
6 A' 1317 1231 26.38      
7 A' 1047 978 8.32      
8 A' 624 583 20.19      
9 A' 354 330 0.07      
10 A" 1000 935 37.04      
11 A" 922 861 24.18      
12 A" 607 567 10.84      

Unscaled Zero Point Vibrational Energy (zpe) 9472.6 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 8851.2 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 MP2=FULL/6-31G**
ABC
1.81020 0.13822 0.12842

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.465 -1.110 0.000
C2 -0.448 -2.079 0.000
Br3 0.000 0.726 0.000
H4 1.529 -1.282 0.000
H5 -0.128 -3.110 0.000
H6 -1.505 -1.870 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6
C11.33061.89401.07822.08582.1118
C21.33062.83992.13131.07961.0782
Br31.89402.83992.52423.83783.0007
H41.07822.13132.52422.46743.0912
H52.08581.07963.83782.46741.8531
H62.11181.07823.00073.09121.8531

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 119.493 C1 C2 H6 122.144
C2 C1 Br3 122.485 C2 C1 H4 124.120
Br3 C1 H4 113.396 H5 C2 H6 118.363
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability