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

using model chemistry: CID/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 CID/6-31G*
 hartrees
Energy at 0K-2647.688445
Energy at 298.15K-2647.694042
HF Energy-2647.339292
Nuclear repulsion energy144.414630
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 CID/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' 3356 3100 3.31      
2 A' 3331 3077 4.40      
3 A' 3262 3013 0.30      
4 A' 1755 1621 32.35      
5 A' 1478 1365 8.75      
6 A' 1342 1240 30.02      
7 A' 1072 990 8.36      
8 A' 629 581 21.86      
9 A' 363 335 0.09      
10 A" 1021 943 45.75      
11 A" 981 906 22.16      
12 A" 622 575 12.57      

Unscaled Zero Point Vibrational Energy (zpe) 9605.9 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 8873.0 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 CID/6-31G*
ABC
1.81973 0.13807 0.12833

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.463 -1.115 0.000
C2 -0.445 -2.077 0.000
Br3 0.000 0.726 0.000
H4 1.529 -1.283 0.000
H5 -0.131 -3.113 0.000
H6 -1.506 -1.874 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6
C11.32201.89881.07942.08362.1100
C21.32202.83822.12731.08241.0808
Br31.89882.83822.52473.84123.0051
H41.07942.12732.52472.47033.0923
H52.08361.08243.84122.47031.8512
H62.11001.08083.00513.09231.8512

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 119.796 C1 C2 H6 122.522
C2 C1 Br3 122.561 C2 C1 H4 124.409
Br3 C1 H4 113.030 H5 C2 H6 117.683
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability