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

using model chemistry: CCSD=FULL/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=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-2648.118577
Energy at 298.15K-2648.124188
HF Energy-2647.529787
Nuclear repulsion energy146.522943
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=FULL/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' 3317 3123 1.56      
2 A' 3277 3086 4.27      
3 A' 3218 3030 0.02      
4 A' 1693 1594 28.42      
5 A' 1441 1357 7.30      
6 A' 1321 1243 18.95      
7 A' 1055 993 7.10      
8 A' 667 628 15.54      
9 A' 359 338 0.06      
10 A" 1007 948 29.30      
11 A" 957 902 20.00      
12 A" 619 583 11.39      

Unscaled Zero Point Vibrational Energy (zpe) 9465.6 cm-1
Scaled (by 0.9416) Zero Point Vibrational Energy (zpe) 8912.8 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=FULL/6-31G(2df,p)
ABC
1.84354 0.14232 0.13212

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.461 -1.079 0.000
C2 -0.444 -2.046 0.000
Br3 0.000 0.712 0.000
H4 1.528 -1.242 0.000
H5 -0.126 -3.080 0.000
H6 -1.506 -1.848 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6
C11.32411.84981.07922.08522.1117
C21.32412.79362.12941.08221.0803
Br31.84982.79362.48053.79452.9701
H41.07922.12942.48052.47263.0937
H52.08521.08223.79452.47261.8504
H62.11171.08032.97013.09371.8504

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 119.788 C1 C2 H6 122.544
C2 C1 Br3 122.460 C2 C1 H4 124.444
Br3 C1 H4 113.097 H5 C2 H6 117.668
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability