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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-2650.657878
Energy at 298.15K-2650.663427
HF Energy-2649.834660
Nuclear repulsion energy144.571847
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' 3301 3126 1.80      
2 A' 3254 3082 5.33      
3 A' 3195 3026 0.04      
4 A' 1657 1569 40.28      
5 A' 1427 1352 10.45      
6 A' 1310 1241 21.10      
7 A' 1045 990 11.76      
8 A' 636 602 19.70      
9 A' 355 336 0.03      
10 A" 978 927 48.48      
11 A" 887 840 33.85      
12 A" 595 563 16.64      

Unscaled Zero Point Vibrational Energy (zpe) 9320.0 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 8827.0 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
1.82112 0.13822 0.12847

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 -1.104 0.000
C2 -0.446 -2.081 0.000
Br3 0.000 0.725 0.000
H4 1.531 -1.276 0.000
H5 -0.113 -3.114 0.000
H6 -1.511 -1.884 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6
C11.33291.88691.08322.08982.1202
C21.33292.84192.13391.08451.0831
Br31.88692.84192.51963.84073.0151
H41.08322.13392.51962.46553.1012
H52.08981.08453.84072.46551.8614
H62.12021.08313.01513.10121.8614

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 119.296 C1 C2 H6 122.359
C2 C1 Br3 123.002 C2 C1 H4 123.733
Br3 C1 H4 113.266 H5 C2 H6 118.345
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability