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

using model chemistry: B97D3/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/aug-cc-pVTZ
 hartrees
Energy at 0K-2653.489981
Energy at 298.15K-2653.495469
HF Energy-2653.489981
Nuclear repulsion energy143.730110
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 B97D3/aug-cc-pVTZ
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' 3185 3136 3.15      
2 A' 3158 3109 2.81      
3 A' 3093 3046 0.49      
4 A' 1612 1588 59.78      
5 A' 1376 1355 11.05      
6 A' 1253 1234 26.54      
7 A' 995 980 9.99      
8 A' 583 574 28.53      
9 A' 341 336 0.14      
10 A" 945 930 34.15      
11 A" 893 879 24.91      
12 A" 583 575 16.80      

Unscaled Zero Point Vibrational Energy (zpe) 9008.2 cm-1
Scaled (by 0.9847) Zero Point Vibrational Energy (zpe) 8870.4 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 B97D3/aug-cc-pVTZ
ABC
1.83304 0.13624 0.12682

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.458 -1.119 0.000
C2 -0.443 -2.093 0.000
Br3 0.000 0.731 0.000
H4 1.530 -1.273 0.000
H5 -0.108 -3.127 0.000
H6 -1.511 -1.905 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6
C11.32641.90601.08362.08622.1196
C21.32642.85882.13701.08701.0848
Br31.90602.85882.52113.85993.0383
H41.08362.13702.52112.47473.1064
H52.08621.08703.85992.47471.8611
H62.11961.08483.03833.10641.8611

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 119.303 C1 C2 H6 122.746
C2 C1 Br3 123.362 C2 C1 H4 124.617
Br3 C1 H4 112.020 H5 C2 H6 117.951
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.307      
2 C -0.531      
3 Br -0.018      
4 H 0.336      
5 H 0.198      
6 H 0.323      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.222 -1.423 0.000 1.440
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.181 -0.492 0.000
y -0.492 -27.356 0.000
z 0.000 0.000 -32.942
Traceless
 xyz
x 0.968 -0.492 0.000
y -0.492 3.705 0.000
z 0.000 0.000 -4.673
Polar
3z2-r2-9.346
x2-y2-1.825
xy-0.492
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.669 0.602 0.000
y 0.602 10.171 0.000
z 0.000 0.000 5.548


<r2> (average value of r2) Å2
<r2> 93.238
(<r2>)1/2 9.656