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

using model chemistry: MP2=FULL/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 MP2=FULL/cc-pVDZ
 hartrees
Energy at 0K-2650.255460
Energy at 298.15K-2650.261013
HF Energy-2649.842253
Nuclear repulsion energy144.093274
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 MP2=FULL/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' 3322 3158 0.78      
2 A' 3264 3102 4.85      
3 A' 3208 3049 0.01      
4 A' 1658 1576 38.09      
5 A' 1404 1335 8.86      
6 A' 1282 1218 21.80      
7 A' 1020 970 8.90      
8 A' 637 605 18.42      
9 A' 349 332 0.03      
10 A" 983 934 36.89      
11 A" 907 862 22.67      
12 A" 599 570 12.45      

Unscaled Zero Point Vibrational Energy (zpe) 9316.9 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 8854.8 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 MP2=FULL/cc-pVDZ
ABC
1.80119 0.13740 0.12766

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.463 -1.104 0.000
C2 -0.448 -2.089 0.000
Br3 0.000 0.727 0.000
H4 1.541 -1.282 0.000
H5 -0.107 -3.128 0.000
H6 -1.521 -1.888 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6
C11.34191.88871.09272.10312.1335
C21.34192.85212.14651.09351.0921
Br31.88872.85212.53203.85723.0257
H41.09272.14652.53202.47483.1217
H52.10311.09353.85722.47481.8812
H62.13351.09213.02573.12171.8812

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 119.087 C1 C2 H6 122.118
C2 C1 Br3 123.080 C2 C1 H4 123.363
Br3 C1 H4 113.557 H5 C2 H6 118.795
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability