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

using model chemistry: CCD/STO-3G

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/STO-3G
 hartrees
Energy at 0K-2621.339358
Energy at 298.15K-2621.344801
HF Energy-2621.165463
Nuclear repulsion energy142.561280
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/STO-3G
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' 3508 3508 0.08      
2 A' 3407 3407 0.64      
3 A' 3367 3367 2.04      
4 A' 1740 1740 8.12      
5 A' 1524 1524 17.69      
6 A' 1385 1385 13.19      
7 A' 1104 1104 2.33      
8 A' 700 700 5.99      
9 A' 356 356 0.51      
10 A" 1044 1044 7.18      
11 A" 951 951 9.24      
12 A" 600 600 0.67      

Unscaled Zero Point Vibrational Energy (zpe) 9842.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9842.0 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 CCD/STO-3G
ABC
1.79207 0.13399 0.12467

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.462 -1.108 0.000
C2 -0.446 -2.117 0.000
Br3 0.000 0.737 0.000
H4 1.552 -1.318 0.000
H5 -0.115 -3.173 0.000
H6 -1.537 -1.935 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6
C11.35761.90171.10972.14462.1633
C21.35762.88862.15141.10631.1061
Br31.90172.88862.57513.91163.0823
H41.10972.15142.57512.49413.1495
H52.14461.10633.91162.49411.8847
H62.16331.10613.08233.14951.8847

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 120.666 C1 C2 H6 122.493
C2 C1 Br3 123.962 C2 C1 H4 121.043
Br3 C1 H4 114.995 H5 C2 H6 116.841
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability