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

using model chemistry: CCSD(T)/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD(T)/6-311G**
 hartrees
Energy at 0K-2650.296082
Energy at 298.15K-2650.301590
HF Energy-2649.839704
Nuclear repulsion energy143.703271
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 CCSD(T)/6-311G**
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' 3252 3137        
2 A' 3218 3104        
3 A' 3153 3042        
4 A' 1633 1576        
5 A' 1406 1357        
6 A' 1286 1241        
7 A' 1021 985        
8 A' 616 594        
9 A' 345 333        
10 A" 955 921        
11 A" 873 842        
12 A" 573 553        

Unscaled Zero Point Vibrational Energy (zpe) 9166.2 cm-1
Scaled (by 0.9647) Zero Point Vibrational Energy (zpe) 8842.6 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 CCSD(T)/6-311G**
ABC
1.80242 0.13652 0.12691

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.464 -1.113 0.000
C2 -0.448 -2.094 0.000
Br3 0.000 0.730 0.000
H4 1.536 -1.285 0.000
H5 -0.117 -3.130 0.000
H6 -1.516 -1.893 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6
C11.33951.90041.08562.09972.1285
C21.33952.85902.14281.08821.0868
Br31.90042.85902.53353.86213.0296
H41.08562.14282.53352.47813.1123
H52.09971.08823.86212.47811.8676
H62.12851.08683.02963.11231.8676

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 119.378 C1 C2 H6 122.281
C2 C1 Br3 122.935 C2 C1 H4 123.822
Br3 C1 H4 113.243 H5 C2 H6 118.341
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability