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

using model chemistry: CCD/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 CCD/cc-pVDZ
 hartrees
Energy at 0K-2650.270380
Energy at 298.15K-2650.275931
HF Energy-2649.842269
Nuclear repulsion energy143.660270
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 CCD/cc-pVDZ
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' 3292 3150 2.36      
2 A' 3249 3109 4.81      
3 A' 3188 3050 0.27      
4 A' 1688 1615 32.63      
5 A' 1413 1352 8.59      
6 A' 1289 1234 23.48      
7 A' 1028 983 6.68      
8 A' 630 603 16.89      
9 A' 349 334 0.04      
10 A" 978 936 37.36      
11 A" 926 886 18.90      
12 A" 594 568 11.79      

Unscaled Zero Point Vibrational Energy (zpe) 9311.7 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 8908.5 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 CCD/cc-pVDZ
ABC
1.79792 0.13654 0.12690

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.463 -1.111 0.000
C2 -0.447 -2.094 0.000
Br3 0.000 0.730 0.000
H4 1.543 -1.287 0.000
H5 -0.113 -3.137 0.000
H6 -1.524 -1.894 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6
C11.33971.89811.09422.10682.1353
C21.33972.85882.14781.09611.0946
Br31.89812.85882.53933.86893.0337
H41.09422.14782.53932.48343.1261
H52.10681.09613.86892.48341.8808
H62.13531.09463.03373.12611.8808

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 119.415 C1 C2 H6 122.278
C2 C1 Br3 123.066 C2 C1 H4 123.562
Br3 C1 H4 113.372 H5 C2 H6 118.307
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability