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

using model chemistry: CCSD/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-2648.026337
Energy at 298.15K-2648.031927
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/6-31G(2df,p)
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' 3304 3124 1.57      
2 A' 3268 3090 4.04      
3 A' 3206 3031 0.04      
4 A' 1685 1593 27.93      
5 A' 1433 1355 7.65      
6 A' 1312 1240 20.77      
7 A' 1046 989 6.89      
8 A' 651 615 16.20      
9 A' 354 335 0.05      
10 A" 1001 947 30.62      
11 A" 953 901 19.21      
12 A" 612 579 10.94      

Unscaled Zero Point Vibrational Energy (zpe) 9412.7 cm-1
Scaled (by 0.9455) Zero Point Vibrational Energy (zpe) 8899.7 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/6-31G(2df,p)
ABC
1.82771 0.14047 0.13045

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.462 -1.093 0.000
C2 -0.445 -2.063 0.000
Br3 0.000 0.719 0.000
H4 1.531 -1.257 0.000
H5 -0.126 -3.098 0.000
H6 -1.509 -1.864 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6
C11.32791.86961.08122.08992.1169
C21.32792.81662.13401.08411.0824
Br31.86962.81662.49913.81922.9914
H41.08122.13402.49912.47723.1002
H52.08991.08413.81922.47721.8541
H62.11691.08242.99143.10021.8541

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 119.761 C1 C2 H6 122.539
C2 C1 Br3 122.586 C2 C1 H4 124.390
Br3 C1 H4 113.024 H5 C2 H6 117.700
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability