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All results from a given calculation for CHBrCHBr (Ethene, 1,2-dibromo-, (Z)-)

using model chemistry: TPSSh/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A1
Energy calculated at TPSSh/Def2TZVPP
 hartrees
Energy at 0K-5225.561667
Energy at 298.15K-5225.569272
HF Energy-5225.561667
Nuclear repulsion energy428.620690
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/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3215 3215 0.32      
2 A1 1622 1622 35.17      
3 A1 1170 1170 1.60      
4 A1 593 593 8.38      
5 A1 103 103 0.05      
6 A2 896 896 0.00      
7 A2 382 382 0.00      
8 B1 688 688 59.39      
9 B2 3193 3193 13.87      
10 B2 1282 1282 47.15      
11 B2 763 763 63.76      
12 B2 477 477 2.75      

Unscaled Zero Point Vibrational Energy (zpe) 7191.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7191.5 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 TPSSh/Def2TZVPP
ABC
0.28781 0.03371 0.03017

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.663 1.249
C2 0.000 -0.663 1.249
Br3 0.000 1.756 -0.276
Br4 0.000 -1.756 -0.276
H5 0.000 1.217 2.178
H6 0.000 -1.217 2.178

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 H5 H6
C11.32601.87622.85951.08122.0965
C21.32602.85951.87622.09651.0812
Br31.87622.85953.51162.51243.8544
Br42.85951.87623.51163.85442.5124
H51.08122.09652.51243.85442.4332
H62.09651.08123.85442.51242.4332

picture of Ethene, 1,2-dibromo-, (Z)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Br4 125.623 C1 C2 H6 120.799
C2 C1 Br3 125.623 C2 C1 H5 120.799
Br3 C1 H5 113.577 Br4 C2 H6 113.577
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.066      
2 C -0.066      
3 Br -0.039      
4 Br -0.039      
5 H 0.105      
6 H 0.105      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.694 1.694
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 6.056 0.000 0.000
y 0.000 12.661 0.000
z 0.000 0.000 9.165


<r2> (average value of r2) Å2
<r2> 286.953
(<r2>)1/2 16.940