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

using model chemistry: MP2=FULL/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-2647.788212
Energy at 298.15K-2647.793764
HF Energy-2647.362656
Nuclear repulsion energy144.473563
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/6-31+G**
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' 3357 3153 1.21      
2 A' 3306 3105 5.22      
3 A' 3247 3050 0.02      
4 A' 1677 1575 42.50      
5 A' 1444 1356 12.60      
6 A' 1320 1240 23.41      
7 A' 1047 983 10.74      
8 A' 622 585 21.74      
9 A' 350 328 0.01      
10 A" 991 931 46.83      
11 A" 907 852 31.39      
12 A" 607 570 17.43      

Unscaled Zero Point Vibrational Energy (zpe) 9436.8 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 8863.0 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/6-31+G**
ABC
1.83593 0.13772 0.12811

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.459 -1.105 0.000
C2 -0.444 -2.087 0.000
Br3 0.000 0.727 0.000
H4 1.525 -1.274 0.000
H5 -0.106 -3.112 0.000
H6 -1.506 -1.893 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6
C11.33331.88861.07912.08502.1164
C21.33332.84802.12971.08011.0791
Br31.88862.84802.51533.84053.0215
H41.07912.12972.51532.45753.0928
H52.08501.08013.84052.45751.8562
H62.11641.07913.02153.09281.8562

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 119.150 C1 C2 H6 122.290
C2 C1 Br3 123.321 C2 C1 H4 123.632
Br3 C1 H4 113.047 H5 C2 H6 118.559
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability