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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-2647.424018
Energy at 298.15K-2647.429535
HF Energy-2647.179585
Nuclear repulsion energy141.039186
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' 3244 3113 12.36      
2 A' 3229 3099 0.27      
3 A' 3147 3019 2.35      
4 A' 1674 1606 28.27      
5 A' 1463 1403 9.76      
6 A' 1311 1257 31.35      
7 A' 1057 1014 5.64      
8 A' 567 544 13.97      
9 A' 338 324 0.19      
10 A" 991 951 67.12      
11 A" 968 929 13.58      
12 A" 603 579 14.06      

Unscaled Zero Point Vibrational Energy (zpe) 9295.2 cm-1
Scaled (by 0.9595) Zero Point Vibrational Energy (zpe) 8918.7 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 CCD/6-31G
ABC
1.75114 0.13152 0.12233

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 0.475 -1.154 0.000
C2 -0.454 -2.123 0.000
Br3 0.000 0.745 0.000
H4 1.550 -1.321 0.000
H5 -0.158 -3.174 0.000
H6 -1.523 -1.907 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6
C11.34201.95781.08762.11672.1354
C21.34202.90342.15841.09231.0908
Br31.95782.90342.58253.92233.0583
H41.08762.15842.58252.52043.1286
H52.11671.09233.92232.52041.8626
H62.13541.09083.05833.12861.8626

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 120.463 C1 C2 H6 122.413
C2 C1 Br3 122.141 C2 C1 H4 125.018
Br3 C1 H4 112.841 H5 C2 H6 117.124
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability