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

using model chemistry: MP2/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/cc-pVDZ
 hartrees
Energy at 0K-2650.242428
Energy at 298.15K-2650.247976
HF Energy-2649.842148
Nuclear repulsion energy143.957313
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/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' 3316 3159 0.81      
2 A' 3259 3104 4.87      
3 A' 3202 3050 0.01      
4 A' 1655 1576 37.99      
5 A' 1403 1336 9.00      
6 A' 1281 1221 21.99      
7 A' 1020 971 8.85      
8 A' 635 605 18.61      
9 A' 348 332 0.04      
10 A" 980 934 37.08      
11 A" 904 861 22.51      
12 A" 597 569 12.37      

Unscaled Zero Point Vibrational Energy (zpe) 9300.3 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 8858.5 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/cc-pVDZ
ABC
1.79707 0.13716 0.12743

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.463 -1.105 0.000
C2 -0.449 -2.091 0.000
Br3 0.000 0.728 0.000
H4 1.542 -1.283 0.000
H5 -0.107 -3.131 0.000
H6 -1.523 -1.889 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6
C11.34281.89091.09362.10462.1351
C21.34282.85452.14871.09451.0931
Br31.89092.85452.53433.86043.0277
H41.09362.14872.53432.47723.1245
H52.10461.09453.86042.47721.8831
H62.13511.09313.02773.12451.8831

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 119.067 C1 C2 H6 122.115
C2 C1 Br3 123.048 C2 C1 H4 123.417
Br3 C1 H4 113.535 H5 C2 H6 118.818
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability