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

using model chemistry: PBE1PBE/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 PBE1PBE/Def2TZVPP
 hartrees
Energy at 0K-5225.036693
Energy at 298.15K-5225.044345
HF Energy-5225.036693
Nuclear repulsion energy430.461908
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 PBE1PBE/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 3237 3237 0.00      
2 A1 1656 1656 32.97      
3 A1 1177 1177 1.31      
4 A1 609 609 7.59      
5 A1 107 107 0.04      
6 A2 917 917 0.00      
7 A2 391 391 0.00      
8 B1 694 694 60.88      
9 B2 3215 3215 17.21      
10 B2 1285 1285 41.17      
11 B2 779 779 62.12      
12 B2 486 486 2.05      

Unscaled Zero Point Vibrational Energy (zpe) 7275.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7275.5 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 PBE1PBE/Def2TZVPP
ABC
0.29138 0.03395 0.03041

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.661 1.240
C2 0.000 -0.661 1.240
Br3 0.000 1.750 -0.275
Br4 0.000 -1.750 -0.275
H5 0.000 1.209 2.172
H6 0.000 -1.209 2.172

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 H5 H6
C11.32211.86512.84691.08152.0896
C21.32212.84691.86512.08961.0815
Br31.86512.84693.49912.50603.8393
Br42.84691.86513.49913.83932.5060
H51.08152.08962.50603.83932.4180
H62.08961.08153.83932.50602.4180

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 125.704 C1 C2 H6 120.442
C2 C1 Br3 125.704 C2 C1 H5 120.442
Br3 C1 H5 113.854 Br4 C2 H6 113.854
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.106      
2 C -0.106      
3 Br -0.018      
4 Br -0.018      
5 H 0.124      
6 H 0.124      


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 1.668 1.668
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.176 0.000 0.000
y 0.000 -48.489 0.000
z 0.000 0.000 -42.500
Traceless
 xyz
x -4.681 0.000 0.000
y 0.000 -2.151 0.000
z 0.000 0.000 6.832
Polar
3z2-r213.664
x2-y2-1.687
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.027 0.000 0.000
y 0.000 12.480 0.000
z 0.000 0.000 9.029


<r2> (average value of r2) Å2
<r2> 284.985
(<r2>)1/2 16.881