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

using model chemistry: TPSSh/TZVP

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/TZVP
 hartrees
Energy at 0K-5225.550906
Energy at 298.15K-5225.558507
HF Energy-5225.550906
Nuclear repulsion energy426.869639
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/TZVP
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 3220 3103 0.25      
2 A1 1625 1566 39.91      
3 A1 1179 1136 1.31      
4 A1 584 563 9.92      
5 A1 104 100 0.03      
6 A2 893 860 0.00      
7 A2 380 367 0.00      
8 B1 689 664 72.40      
9 B2 3198 3082 15.02      
10 B2 1285 1238 50.97      
11 B2 759 731 73.63      
12 B2 473 456 2.97      

Unscaled Zero Point Vibrational Energy (zpe) 7194.1 cm-1
Scaled (by 0.9637) Zero Point Vibrational Energy (zpe) 6933.0 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 TPSSh/TZVP
ABC
0.28637 0.03339 0.02990

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.663 1.252
C2 0.000 -0.663 1.252
Br3 0.000 1.764 -0.277
Br4 0.000 -1.764 -0.277
H5 0.000 1.219 2.181
H6 0.000 -1.219 2.181

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 H5 H6
C11.32611.88462.86911.08192.0982
C21.32612.86911.88462.09821.0819
Br31.88462.86913.52892.51753.8651
Br42.86911.88463.52893.86512.5175
H51.08192.09822.51753.86512.4372
H62.09821.08193.86512.51752.4372

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 125.761 C1 C2 H6 120.898
C2 C1 Br3 125.761 C2 C1 H5 120.898
Br3 C1 H5 113.341 Br4 C2 H6 113.341
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.117      
2 C -0.117      
3 Br -0.056      
4 Br -0.056      
5 H 0.173      
6 H 0.173      


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 1.716 1.716
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 4.843 0.000 0.000
y 0.000 11.709 0.000
z 0.000 0.000 8.522


<r2> (average value of r2) Å2
<r2> 289.274
(<r2>)1/2 17.008