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

using model chemistry: TPSSh/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 TPSSh/cc-pVTZ
 hartrees
Energy at 0K-2652.140297
Energy at 298.15K-2652.145835
HF Energy-2652.140297
Nuclear repulsion energy144.407388
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 TPSSh/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' 3234 3132 2.85      
2 A' 3209 3107 3.33      
3 A' 3140 3041 0.43      
4 A' 1655 1602 50.83      
5 A' 1412 1367 10.96      
6 A' 1282 1241 27.82      
7 A' 1017 985 9.66      
8 A' 610 591 26.28      
9 A' 341 330 0.05      
10 A" 980 949 39.45      
11 A" 932 902 22.89      
12 A" 601 581 15.35      

Unscaled Zero Point Vibrational Energy (zpe) 9206.0 cm-1
Scaled (by 0.9683) Zero Point Vibrational Energy (zpe) 8914.1 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 TPSSh/cc-pVTZ
ABC
1.84202 0.13765 0.12808

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.458 -1.113 0.000
C2 -0.442 -2.083 0.000
Br3 0.000 0.727 0.000
H4 1.527 -1.268 0.000
H5 -0.113 -3.116 0.000
H6 -1.507 -1.893 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6
C11.32281.89691.08062.08252.1141
C21.32282.84502.13121.08421.0821
Br31.89692.84502.51293.84533.0233
H41.08062.13122.51292.47093.0982
H52.08251.08423.84532.47091.8546
H62.11411.08213.02333.09821.8546

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 119.477 C1 C2 H6 122.755
C2 C1 Br3 123.180 C2 C1 H4 124.622
Br3 C1 H4 112.198 H5 C2 H6 117.768
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.103      
2 C -0.192      
3 Br -0.062      
4 H 0.123      
5 H 0.116      
6 H 0.118      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.239 -1.485 0.000 1.504
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.537 0.565 0.000
y 0.565 9.223 0.000
z 0.000 0.000 3.849


<r2> (average value of r2) Å2
<r2> 92.397
(<r2>)1/2 9.612