return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: CCSD(T)/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 CCSD(T)/6-31G*
 hartrees
Energy at 0K-2647.748993
Energy at 298.15K 
HF Energy-2647.338068
Nuclear repulsion energy 
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)/6-31G*
Rotational Constants (cm-1) from geometry optimized at CCSD(T)/6-31G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-31G* Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.470 -1.123 0.000
C2 -0.451 -2.093 0.000
Br3 0.000 0.731 0.000
H4 1.543 -1.291 0.000
H5 -0.138 -3.136 0.000
H6 -1.518 -1.882 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6
C11.33781.91261.08662.10312.1282
C21.33782.85992.14971.08911.0873
Br31.91262.85992.54423.86973.0226
H41.08662.14972.54422.49613.1180
H52.10311.08913.86972.49611.8642
H62.12821.08733.02263.11801.8642

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 119.774 C1 C2 H6 122.362
C2 C1 Br3 122.262 C2 C1 H4 124.592
Br3 C1 H4 113.146 H5 C2 H6 117.864
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability