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

using model chemistry: MP2=FULL/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 MP2=FULL/STO-3G
 hartrees
Energy at 0K-2621.303428
Energy at 298.15K-2621.308928
HF Energy-2621.167440
Nuclear repulsion energy143.282633
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/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' 3616 3215 0.46      
2 A' 3501 3112 1.66      
3 A' 3457 3073 15.01      
4 A' 1764 1568 14.24      
5 A' 1555 1383 18.81      
6 A' 1414 1257 15.10      
7 A' 1123 998 4.13      
8 A' 716 637 9.15      
9 A' 364 324 0.44      
10 A" 1101 979 9.83      
11 A" 975 867 11.95      
12 A" 627 557 1.04      

Unscaled Zero Point Vibrational Energy (zpe) 10107.0 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 8984.1 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/STO-3G
ABC
1.81680 0.13526 0.12589

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.459 -1.103 0.000
C2 -0.443 -2.108 0.000
Br3 0.000 0.733 0.000
H4 1.541 -1.316 0.000
H5 -0.108 -3.154 0.000
H6 -1.526 -1.927 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6
C11.34981.89281.10302.12792.1491
C21.34982.87512.13631.09871.0985
Br31.89282.87512.56363.88883.0666
H41.10302.13632.56362.47013.1278
H52.12791.09873.88882.47011.8756
H62.14911.09853.06663.12781.8756

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 120.357 C1 C2 H6 122.425
C2 C1 Br3 124.061 C2 C1 H4 120.816
Br3 C1 H4 115.124 H5 C2 H6 117.219
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability