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

using model chemistry: QCISD/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/cc-pVDZ
 hartrees
Energy at 0K-2650.274234
Energy at 298.15K-2650.279772
HF Energy-2649.842080
Nuclear repulsion energy143.468764
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 QCISD/cc-pVDZ
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' 3284 3151 2.54      
2 A' 3242 3111 5.27      
3 A' 3180 3051 0.41      
4 A' 1673 1605 31.96      
5 A' 1407 1350 8.99      
6 A' 1283 1231 24.64      
7 A' 1024 982 7.03      
8 A' 623 598 18.62      
9 A' 347 332 0.04      
10 A" 971 932 38.67      
11 A" 916 879 16.70      
12 A" 590 566 11.91      

Unscaled Zero Point Vibrational Energy (zpe) 9269.9 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 8893.6 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 QCISD/cc-pVDZ
ABC
1.79184 0.13618 0.12656

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.464 -1.112 0.000
C2 -0.449 -2.097 0.000
Br3 0.000 0.731 0.000
H4 1.545 -1.287 0.000
H5 -0.114 -3.141 0.000
H6 -1.525 -1.896 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6
C11.34221.90081.09452.10892.1377
C21.34222.86272.15131.09641.0949
Br31.90082.86272.54133.87313.0371
H41.09452.15132.54132.48723.1293
H52.10891.09643.87312.48721.8818
H62.13771.09493.03713.12931.8818

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 119.378 C1 C2 H6 122.273
C2 C1 Br3 123.019 C2 C1 H4 123.663
Br3 C1 H4 113.317 H5 C2 H6 118.349
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability