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

using model chemistry: MP2=FULL/6-311G**

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/6-311G**
 hartrees
Energy at 0K-2650.680435
Energy at 298.15K-2650.685988
HF Energy-2649.840255
Nuclear repulsion energy144.678884
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/6-311G**
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' 3304 3134 1.66      
2 A' 3258 3091 5.25      
3 A' 3197 3033 0.02      
4 A' 1650 1565 39.98      
5 A' 1416 1343 9.85      
6 A' 1296 1230 22.68      
7 A' 1027 974 10.26      
8 A' 637 605 19.41      
9 A' 353 335 0.01      
10 A" 983 933 42.66      
11 A" 890 844 28.57      
12 A" 594 563 14.52      

Unscaled Zero Point Vibrational Energy (zpe) 9302.7 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 8824.6 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 MP2=FULL/6-311G**
ABC
1.82265 0.13843 0.12866

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.461 -1.103 0.000
C2 -0.446 -2.080 0.000
Br3 0.000 0.725 0.000
H4 1.530 -1.276 0.000
H5 -0.109 -3.112 0.000
H6 -1.510 -1.881 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6
C11.33321.88451.08292.08852.1193
C21.33322.84042.13281.08471.0833
Br31.88452.84042.51843.83803.0121
H41.08292.13282.51842.46103.0997
H52.08851.08473.83802.46101.8645
H62.11931.08333.01213.09971.8645

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 119.124 C1 C2 H6 122.231
C2 C1 Br3 123.028 C2 C1 H4 123.613
Br3 C1 H4 113.359 H5 C2 H6 118.645
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability