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

using model chemistry: CCD/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 CCD/6-31G*
 hartrees
Energy at 0K-2647.731961
Energy at 298.15K-2647.737503
HF Energy-2647.338679
Nuclear repulsion energy143.742612
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/6-31G*
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' 3292 3116 3.45      
2 A' 3265 3090 4.24      
3 A' 3199 3028 0.39      
4 A' 1705 1614 29.94      
5 A' 1447 1369 8.64      
6 A' 1314 1244 27.48      
7 A' 1050 994 7.57      
8 A' 615 582 18.75      
9 A' 354 335 0.10      
10 A" 983 930 43.26      
11 A" 932 882 21.75      
12 A" 600 567 11.58      

Unscaled Zero Point Vibrational Energy (zpe) 9377.1 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 8875.4 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/6-31G*
ABC
1.79372 0.13692 0.12721

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.465 -1.122 0.000
C2 -0.447 -2.092 0.000
Br3 0.000 0.731 0.000
H4 1.538 -1.288 0.000
H5 -0.131 -3.133 0.000
H6 -1.516 -1.893 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6
C11.33221.91041.08582.09812.1256
C21.33222.85872.14221.08821.0868
Br31.91042.85872.53833.86683.0302
H41.08582.14222.53832.48803.1131
H52.09811.08823.86682.48801.8593
H62.12561.08683.03023.11311.8593

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 119.850 C1 C2 H6 122.654
C2 C1 Br3 122.673 C2 C1 H4 124.420
Br3 C1 H4 112.907 H5 C2 H6 117.496
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability